Report of the President. 27 



DEPARTMENT OF GEOLOGY AND INVERTEBRATE PALEONTOLOGY. 



Bulletin, Volume XXI. 



R. P. Whitfield. " Notice of a New Crinoid and a New Mollusk from 

 the Portage Rocks of New York." (Pages 17-20, plates i-iv.) 



R. P. Whitfield. " Descriptions of New Fossil Sponges from the Hamil- 

 ton Group of Indiana. " (Pages 297-300.) 



R. P. Whitfield. "Notice of a New Species of Fasciolaria from the 

 Eocene Green Marls at Shark River, N. J." (Pages 301-303, with 2 text 

 figures.) 



DEPARTMENT OF MAMMALOGY AND ORNITHOLOGY. 



Bulletin, Volume XXI. 



J. A. Allen. " Report on the Birds Collected in Northeastern Siberia by 

 the Jesup North Pacific Expedition, with Field Notes by the Collectors." 

 (Pages 219-257.) 



J. A. Allen. "Supplementary Notes on Birds Collected in the Santa 

 Marta District, Colombia, by Herbert H. Smith, with Descriptions of Nests 

 and Eggs." (Pages 275-295.) 



F. M. Chapman. " A Contribution to the Life History of the American 

 Flamingo {Phoenicopterus ruber) with Remarks upon Specimens." (Pages 

 53 _ 77> with 16 text figures.) 



W. de W. Miller. "List of Birds Collected in Southern Sinaloa, Mexico 

 by J. H. Batty, during 1903-1904." (Pages 339-369.) 



DEPARTMENT OF VERTEBRATE PALEONTOLOGY. 



Bulletin, Volume XXI. 



O. P. Hay. " On the Group of Fossil Turtles known as the Amphiche- 

 lydia; with Remarks on the Origin and Relationships of the Suborders, Super- 

 families and Families of Testudines." (Pages 137-175, with 5 text 

 figures.) 



O. P. Hay. "A Revision of the Species of the Family of Fossil Turtles 

 called Toxochelyidae, with Descriptions of Two New Species of Toxochelys 

 and a New Species of Porthochelys.'" (Pages 177-185, with 16 text figures.) 

 • O. P. Hay. " On the Skull of a New Trionychid, Conchochelys adviir- 

 abilis, from the Puerco Beds of New Mexico." (Pages 335-338, with 3 text 

 figures.) 



L. Hussakof. "Notes on the Devonian 'Placoderm,' Dinichthys inter- 

 medius Newb." (Pages 27-36, with 2 text figures.) 



L. Hussakof. " On the Structure of Two Imperfectly Known Dinichthy- 

 ids." (Pages 409-414, plates xv-xvii, with 2 text figures.) 



W. D. Matthew. " Notice of Two Genera of Mammals from the Oligo- 

 cene of South Dakota." (Pages 21-26, with 6 text figures.) 



H. F. Osborn. " Tyra?inosaurzis and Other Cretaceous Carnivorous 

 Dinosaurs." (Pages 259-265, with 2 text figures.) 



