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Stated Meeting, February 2nd, 1877

Published in Proceedings of The American Philosophical Society, in 1877, in volume 16, issue 99, pages 385-389

Stated Meeting February 16th, 1877

Published in Proceedings of The American Philosophical Society, in 1877, in volume 16, issue 99, pages 389-392

Stated Meeting, March 2nd, 1877

Published in Proceedings of The American Philosophical Society, in 1877, in volume 16, issue 99, pages 392-394

On the Progress of the North American Carboniferous Flora, in Preparation for the Second Geological Survey of Pennsylvania

Published in Proceedings of The American Philosophical Society, in 1877, in volume 16, issue 99, pages 397-416

Tabular Synopsis of the Rhynchophora of America

Published in Proceedings of The American Philosophical Society, in 1877, in volume 16, issue 99, pages 417-424

On Refraction Tables

Published in Proceedings of The American Philosophical Society, in 1877, in volume 16, issue 99, pages 425-428

On the First Systematic Collection and Discussion of the Venango County Oil Wells of Western Pennsylvania

Published in Proceedings of The American Philosophical Society, in 1877, in volume 16, issue 99, pages 429-495

On Centres of Aggregation and Dissociation

Published in Proceedings of The American Philosophical Society, in 1877, in volume 16, issue 99, pages 496-508

Contributions from the Laboratory of the University of Pennsylvania. No. VII. On Astrophyllite, Arfvedsonite and Zircon, from El Paso Co. Colorado, and a Colorimetric Estimation of Titanium before the Blow-Pipe

Published in Proceedings of The American Philosophical Society, in 1877, in volume 16, issue 99, pages 509-518

A Measured Section of the Palœozoic Rocks of Central Pennsylvania, from the Top of the Allegheny River Coal Series, down to the Trenton Limestone in the Lower, or Cambro-Silurian System

Published in Proceedings of The American Philosophical Society, in 1877, in volume 16, issue 99, pages 519-560

Coahuila

Published in Proceedings of The American Philosophical Society, in 1877, in volume 16, issue 99, pages 561-573

A Continuation of Researches among the Batrachia of the Coal Measures of Ohio

Published in Proceedings of The American Philosophical Society, in 1877, in volume 16, issue 99, pages 573-578

On a Dinosaurian from the Trias of Utah

Published in Proceedings of The American Philosophical Society, in 1877, in volume 16, issue 99, pages 579-584

On a New Proboscidian

Published in Proceedings of The American Philosophical Society, in 1877, in volume 16, issue 99, pages 584-585

Contributions from the Laboratory of the University of Pennsylvania. No. VIII. On the Composition of the Natural Gas from Certain Wells in Western Pennsylvania and New York

Published in Proceedings of The American Philosophical Society, in 1877, in volume 16, issue 99, pages 585-589

On Eight Meteoric Fireballs Seen in the United States from July, 1876, to February, 1877

Published in Proceedings of The American Philosophical Society, in 1877, in volume 16, issue 99, pages 590-596

On the Asserted Antagonism between Nicotin and Strychnia

Published in Proceedings of The American Philosophical Society, in 1877, in volume 16, issue 99, pages 596-616

Contribution to Palœontology from the Museum of the Second Geological Survey of Pennsylvania

Published in Proceedings of The American Philosophical Society, in 1877, in volume 16, issue 99, pages 621-622

On the Relative Ages of the Sun and Certain of the Fixed Stars

Published in Proceedings of The American Philosophical Society, in 1877, in volume 16, issue 99, pages 622-625

The Timucua Language

Published in Proceedings of The American Philosophical Society, in 1877, in volume 16, issue 99, pages 626-642

The Approaches to a Theory of the Cause of Magnetic Declination

Published in Proceedings of The American Philosophical Society, in 1877, in volume 16, issue 99, pages 642-650

Regarding Some Mesozoic Ores

Published in Proceedings of The American Philosophical Society, in 1877, in volume 16, issue 99, pages 651-655

Stated Meeting, April 6, 1877

Published in Proceedings of The American Philosophical Society, in 1877, in volume 16, issue 99, pages 661-663

Stated Meeting, May 4th, 1877

Published in Proceedings of The American Philosophical Society, in 1877, in volume 16, issue 99, pages 665-668

Stated Meeting, May 20th, 1877

Published in Proceedings of The American Philosophical Society, in 1877, in volume 17, issue 100, pages 1-2

Stated Meeting, June 15th, 1877

Published in Proceedings of The American Philosophical Society, in 1877, in volume 17, issue 100, pages 2-4

Stated Meeting, July 20th, 1877

Published in Proceedings of The American Philosophical Society, in 1877, in volume 17, issue 100, pages 4-8

Stated Meeting, August 17th, 1877

Published in Proceedings of The American Philosophical Society, in 1877, in volume 17, issue 100, pages 8-10

Stated Meeting, September 21st, 1877

Published in Proceedings of The American Philosophical Society, in 1877, in volume 17, issue 100, pages 10-13

Stated Meeting, October 5th, 1877

Published in Proceedings of The American Philosophical Society, in 1877, in volume 17, issue 100, pages 13-16

On the Results of Surveys in 1876-7 Made for the Purpose of Rectifying the System of Rail Road and Oil Well Levels throughout North West Pennsylvania

Published in Proceedings of The American Philosophical Society, in 1877, in volume 17, issue 100, pages 17-28

Contributions from the Laboratory of the University of Pennsylvania. No. IX. Upon Some New Chlorine Derivatives from Toluol

Published in Proceedings of The American Philosophical Society, in 1877, in volume 17, issue 100, pages 29-32

Synopsis of the Cold Blooded Vertebrata, Procured by Prof. James Orton during His Exploration of Peru in 1876-77

Published in Proceedings of The American Philosophical Society, in 1877, in volume 17, issue 100, pages 33-49

On the Brain of Procamelus Occidentalis

Published in Proceedings of The American Philosophical Society, in 1877, in volume 17, issue 100, pages 49-52

On the Vertebrata of the Bone Bed in Eastern Illinois

Published in Proceedings of The American Philosophical Society, in 1877, in volume 17, issue 100, pages 52-63

On Some New and Little Known Reptiles and Fishes from the Austroriparian Region

Published in Proceedings of The American Philosophical Society, in 1877, in volume 17, issue 100, pages 63-68

Contributions from the Laboratory of the University of Pennsylvania. No. X. Dichlorsalicylic Acid

Published in Proceedings of The American Philosophical Society, in 1877, in volume 17, issue 100, pages 68-73

Discovery of Oxygen in the Sun by Photography, and a New Theory of the Solar Spectrum

Published in Proceedings of The American Philosophical Society, in 1877, in volume 17, issue 100, pages 74-80

Note on the Exactitude of the French Normal Fork; A Reply to the Paper of Mr. A. J. Ellis

Published in Proceedings of The American Philosophical Society, in 1877, in volume 17, issue 100, pages 80-82

On a New Species of Adocidœ from the Tertiary of Georgia

Published in Proceedings of The American Philosophical Society, in 1877, in volume 17, issue 100, pages 82-84

Tenth Contribution to the Herpetology of Tropical America

Published in Proceedings of the American Philosophical Society, in 1877, in volume 17, issue 100, pages 85-98

Further Illustrations of Central Force

Published in Proceedings of The American Philosophical Society, in 1877, in volume 17, issue 100, pages 98-112

Contributions from the Laboratory of the University of Pennsylvania. No. XI. On Some Tellurium and Vanadium Minerals

Published in Proceedings of The American Philosophical Society, in 1877, in volume 17, issue 100, pages 113-123

The Flow of Water Through an Opening in a Pierced Plate

Published in Proceedings of The American Philosophical Society, in 1877, in volume 17, issue 100, pages 124-127

Description of the Wilcox Spouting Water-Well

Published in Proceedings of The American Philosophical Society, in 1877, in volume 17, issue 100, pages 127-135

Level Notes and Compass Courses of the Seaboard Oil Pipe Line, from the the Mouth of Black Fox Run, in Clarion County, Pa., to Patapsco River, near Baltimore, Md. Lines Run by O. Barrett, Jr., C. E., Western Division; B. F. Warren, C. E., Middle Division; J. B. Haupt, C. E., Eastern Division

Published in Proceedings of The American Philosophical Society, in 1877, in volume 17, issue 100, pages 136-144

List of Elevations, above Mean Tide, Through the County of Indiana, in Pennsylvania, Copied from Notes of Survey under Gen. H. Haupt, for the Sea Board Pipe Line

Published in Proceedings of The American Philosophical Society, in 1877, in volume 17, issue 100, pages 145-148

Obituary Notice of John C. Cresson

Published in Proceedings of The American Philosophical Society, in 1877, in volume 17, issue 100, pages 149-162

Land Plants, Recently Discovered in the Silurian Rocks of the United States

Published in Proceedings of The American Philosophical Society, in 1877, in volume 17, issue 100, pages 163-173

A Species of Fungus Recently Discovered in the Shales of the Darlington Coal Bed (Lower Productive Coal Measures, Alleghany River Series) at Cannelton, in Beaver County, Pennsylvania

Published in Proceedings of The American Philosophical Society, in 1877, in volume 17, issue 100, pages 173-175

On Some New or Little Known Reptiles and Fishes of the Cretaceous No. 3, of Kansas

Published in Proceedings of The American Philosophical Society, in 1877, in volume 17, issue 100, pages 176-181

Descriptions of Extinct Vertebrata from the Permian and Triassic Formamations of the United States

Published in Proceedings of The American Philosophical Society, in 1877, in volume 17, issue 100, pages 182-193

On Reptilian Remains from the Dakota Beds of Colorado

Published in Proceedings of The American Philosophical Society, in 1877, in volume 17, issue 100, pages 193-196

Sylviculture

Published in Proceedings of The American Philosophical Society, in 1877, in volume 17, issue 100, pages 197-211

Causes of the Huron Disaster

Published in Proceedings of The American Philosophical Society, in 1877, in volume 17, issue 100, pages 212-215

Bituminous Material from Pulaski County, Virginia, U. S

Published in Proceedings of The American Philosophical Society, in 1877, in volume 17, issue 100, pages 215-216

Contributions from the Laboratory of the University of Pennsylvania. No. XII. A New Method for the Decomposition of Chromic Iron

Published in Proceedings of The American Philosophical Society, in 1877, in volume 17, issue 100, pages 216-218

Descriptions of New Vertebrata from the Upper Tertiary Formations of the West

Published in Proceedings of The American Philosophical Society, in 1877, in volume 17, issue 100, pages 219-231

On Some Saurians Found in the Triassic of Pennsylvania, by C. M. Wheatley

Published in Proceedings of The American Philosophical Society, in 1877, in volume 17, issue 100, pages 231-232

On the Vertebrata of the Dakota Epoch of Colorado

Published in Proceedings of The American Philosophical Society, in 1877, in volume 17, issue 100, pages 233-247

On the Palœozoic Rocks of Lehigh and Northampton Counties, Pennsylvania

Published in Proceedings of The American Philosophical Society, in 1877, in volume 17, issue 100, pages 248-254

Remarks on Professor Prime's Paper

Published in Proceedings of The American Philosophical Society, in 1877, in volume 17, issue 100, pages 255-258

Crystallography in Sculpture

Published in Proceedings of The American Philosophical Society, in 1877, in volume 17, issue 100, pages 258-260

On a Series of Chemical Analysis of Siluro-Cambrian Limestone Beds in Cumberland County, Pennsylvania

Published in Proceedings of The American Philosophical Society, in 1877, in volume 17, issue 100, pages 260-266

Stated Meeting, November 16, 1877

Published in Proceedings of The American Philosophical Society, in 1877, in volume 17, issue 100, pages 272-274

Stated Meeting, December 7, 1877

Published in Proceedings of The American Philosophical Society, in 1877, in volume 17, issue 100, pages 274-277

Stated Meeting, December 21, 1877

Published in Proceedings of The American Philosophical Society, in 1877, in volume 17, issue 100, pages 277-280