88 BULLETIN 51, UNITED STATES NATIONAL MUSEUM. 



P. IS',). On AmazUla yucatanensls Cabot, and A. cerviniventris Gould. 

 By Robert Ridgway. 



pp. 25-26. 



P. 190. Descriptions of new species of fishes ( Uranidea marginata^ 

 Potainocottus hendlvei) and of Myctc/phuia. crenulare »J. and G. 

 B}^ Tarleton H. Bean. 



pp. 26-29. 



P. 191. Notes on the fi.shes of the Pacific coast of the United States. 

 By David S. Jordan and Charles H. Gilbert. 



pp. 29-70. 



P. 192. Description of Sehastlchthys inystinus. Bj^ David S. Jordan 

 and Charles H. Gilbert. 



pp. 70-72. 



P. 193. Description of a new species of Ptychoclulus {Ptychoehilus 

 harfordi)^ from the Sacramento River. By David S. Jordan 

 and Charles H. Gilbert. 



pp. 72-73. 



P. 194. Note on Raia Inornata. B3' David S. Jordan and Charles H. 

 Gilbert. 



pp. 73-74. 



P. 195. On the fish-mortality in the Gulf of Mexico. By Ernest 

 Ingersoll. 



pp. 74-80. 



P. 196. Notes on Salmonidje of the Upper Columbia. B}^ Charles 

 Bendire. 



pp. 81-87, 1 fig. 



P. 197. A review of the genera and species of the family Centrar- 

 chidiB, with a description of one new species. B3' Charles L. 

 McKay. 



pp. 87-93. 



P. 198. A review of the genus Centurm^ Swainson. By Robert 

 Ridgway. 



pp. 93-119. 



P. 199. Observations on Siredon lichenoides. By William E. Carlin. 



pp. 120-121. 



P. 200. On the destruction of fish l)y poisonous water in the Gulf of 

 Mexico. B}^ Joseph Y. Porter. 



pp. 121-123. 



P. 201. An analvsis of water destructive to fish in the Gulf of Mexico. 

 By F. M. Endlich. 



p. 124. 



P. 202. Fish mortality in the Gulf of Mexico. By M. A. Moore. 



pp. 125-126. 



P. 203. On the destruction of fish l)y polluted waters in the Gulf of 

 Mexico. By W. C. W. Glazier. 



pp. 126-127. 



