1*7.] PKOCEElymGS OF UNITED STATES NATIONAL MUSEUM. 159 FIELD-NOTES ON THE MAMMALS. BIRDS AND REPTILES OF NORTHERN CALIFORNIA. By CHLAKL.es 11. TO^Vi^SEi'Nl). (With one jHate. ) The first studies of the zoology oi" XortLeiu Calilbruia of which we have any record were those of Dr. J. S. Xewberry, iu conuectiou with the Pacific llailroad Surveys of uearly thirty years ago.* Subsequently, collections of mammals, birds, and reptiles were made at Fort Crook by Lieut. John Feilner and D. F. Parkinson, and at Yreka by Mr. Will-iam Vuille, but no publications on the subject appeared after the Ee-ports of the Pacific Eailroad Surveys until Mr. 11. W. Henshaw, iu 1878, studied the ornithology of the northeastern portion of the State in connection with United States Geographical Surveys west of the 100th meridian. ! Prof. E. 1>. Cope published brief notes on the reptiiia of the region in the Proceedings of the Philadelphia Academy of Sciences, which were based on collections made by himself on the McCloud liiver in 1882. The extensive labors of Dr. Cooper in California were altogether south of the region here treated oi". The present paper results from collections and observations made by my.self while connected with the operations of the United States Com-mission of Fish and Fisheries in California. During a period extend-ing from April 1, 1883, to July 15, 1881, I visited the counties of Si-ski you, Shasta, Tehama, and Lassen, and subsequently spent a month iu JIumboldt Counry in 1885 (November 15 to December 17). Of birds, the entire number of species noted by me personally is more than two hundred, but by placing on the list about sixty additional spe cies known to the region from the labors of other observers, the ornitho-logical portion of the paper is made a complete list of the species so far known to have been found in California north of the fortietjj par allel. The same is true with regard to the fullness of the lists of mam-nmls and reptiles; all three lists being restricted to the specie.* whose presence in the region is proved. The Sierra Nevada and Coast ranges extending through Xorthern California divide it very naturally iuto three separate faunal regions: the Eed wood region on the coast; the Sacramento, lying between the two ranges of mountains: and the eastern region, sloping froai the Sierras toward the State of Nevada. (See Plate V, sketch map of Northern California.) * See Bibliograiiliical Appendix. t A brief acconnt of "Explorations in Nortliein California." byJoba Feilner, .-ip-peared iu tlie Sniitlisouiau Reports for tlic year 18!j4.
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