24 Report of the President. 



Receptions. — April 13th, New York Microscopical Society; 

 April 5th and 6th, New York Academy of Sciences. Nov. 9th, 

 10th, nth, The Fifteenth Annual Congress of the Ornithologists' 

 Union. 



Publications. — Volume IX of the Bulletin was issued during 

 the year, forming a volume of about 400 pages, with 38 plates 

 and nearly 150 text figures. The 24 articles arranged by depart- 

 ments, are as follows : 



DEPARTMENT OF INVERTEBRATE PALEONTOLOGY. 



Note on the Hypostome of Lichas {Terataspis) grandis Hall. By R. P. 

 Whitfield (pp. 45, 46, with 3 text figures). 



Descriptions of New Species of Silurian Fossils from near Fort Cassin and 

 elsewhere on Lake Champlain. By R. P. Whitfield (pll. IV and V, pp. 177- 

 184). 



Descriptions of Rudistse from the Cretaceous Rocks of Jamaica, W. I., 

 collected and presented by Mr. F. C. Nicholas. By R. P. Whitfield (pll. VI- 

 XXII, pp. 185-196). 



Observations on the Genus Barrettia Woodward, with Descriptions of two 

 New Species. ByR. P. Whitfield (pll. XXVII-XXXVIII, pp. 233-246, with 

 two full page text cuts). 



DEPARTMENT OF VERTEBRATE ZOOLOGY. 



On Mammals from .Yucatan, with Descriptions of New Species. By J. A. 

 Allen and Frank M. Chapman (pp. 1-13). 



On a Second Collection of Mammals from the Island of Trinidad, with De- 

 scriptions of New Species, and a note on some Mammals from the Island of 

 Dominica, W. I. By J. A. Allen and Frank M. Chapman (pp. 13-30). 



Additional Notes on Costa Rican Mammals, with Descriptions of New Species. 

 By J. A. Allen (pi. I, pp. 31-44). 



Further Notes on Mammals collected in Mexico by Dr. Audley C. Buller. 

 By J. A. Allen (pp. 47-58). 



Preliminary Description of a New Mountain Sheep from the British North- 

 west Territory. By J. A. Allen (pll. II and III, pp. 111-114). 



On a small Collection of Mammals from Peru, with Descriptions of New 

 Species. By J. A. Allen (pp. 115-120). 



Descriptions of a New Species of Sigmodon, from Bogota, Colombia. By 

 J. A. Allen (pp. 121, 122). 



On a Collection -of Mammals from Jalapa and Las Vigas, State of Vera 

 Cruz, Mexico. By J. A. Allen and Frank M. Chapman (pp. 197-208). 



Hybrids between the Game Cock and the Guinea Fowl. By JuanVilaro, M.D. 

 (pll. XXV'and XXVI, pp. 225-230). 



Description of a New Vespertilionine Bat from Yucatan. By J. A. Allen 

 (pp. 231-232). 



Notes upon New York Fishes received at the New York Aquarium, 1895- 

 1897. By Tarleton H. Bean (pp. 327-375). 



