THE EARLY STAGES IN THE DEVELOPMENT OF THE HYPOPHYSIS OF AMIA CALVAPublished in Biol Bull, in 1900, in volume 1, pages 57-80Gordiacea from the Cope collectionPublished in Biol Bull, in 1900, in volume 1, pages 95-98ERRATUMPublished in Biol Bull, in 1900, in volume 1, pages 113THE EYES OF THE BLIND VERTEBRATES OF NORTH AMERICA. III: THE STRUCTURE AND ONTOGENIC DEGENERATION OF THE EYES OF THE MISSOURI CAVE SALAMANDER, AN ACCOUNT BASED ON MATERIAL COLLECTED WITH A GRANT FROM THE ELIZABETH THOMPSON SCIENCE FUNDPublished in Biol Bull, in 1900, in volume 2, pages 33-41VARIATION IN THE TEETH OF NEREISPublished in Biol Bull, in 1900, in volume 2, pages 129-143
Gordiacea from the Cope collectionPublished in Biol Bull, in 1900, in volume 1, pages 95-98ERRATUMPublished in Biol Bull, in 1900, in volume 1, pages 113THE EYES OF THE BLIND VERTEBRATES OF NORTH AMERICA. III: THE STRUCTURE AND ONTOGENIC DEGENERATION OF THE EYES OF THE MISSOURI CAVE SALAMANDER, AN ACCOUNT BASED ON MATERIAL COLLECTED WITH A GRANT FROM THE ELIZABETH THOMPSON SCIENCE FUNDPublished in Biol Bull, in 1900, in volume 2, pages 33-41VARIATION IN THE TEETH OF NEREISPublished in Biol Bull, in 1900, in volume 2, pages 129-143
ERRATUMPublished in Biol Bull, in 1900, in volume 1, pages 113THE EYES OF THE BLIND VERTEBRATES OF NORTH AMERICA. III: THE STRUCTURE AND ONTOGENIC DEGENERATION OF THE EYES OF THE MISSOURI CAVE SALAMANDER, AN ACCOUNT BASED ON MATERIAL COLLECTED WITH A GRANT FROM THE ELIZABETH THOMPSON SCIENCE FUNDPublished in Biol Bull, in 1900, in volume 2, pages 33-41VARIATION IN THE TEETH OF NEREISPublished in Biol Bull, in 1900, in volume 2, pages 129-143
THE EYES OF THE BLIND VERTEBRATES OF NORTH AMERICA. III: THE STRUCTURE AND ONTOGENIC DEGENERATION OF THE EYES OF THE MISSOURI CAVE SALAMANDER, AN ACCOUNT BASED ON MATERIAL COLLECTED WITH A GRANT FROM THE ELIZABETH THOMPSON SCIENCE FUNDPublished in Biol Bull, in 1900, in volume 2, pages 33-41VARIATION IN THE TEETH OF NEREISPublished in Biol Bull, in 1900, in volume 2, pages 129-143