REPORT OF COMMISSIONER OF FISH AND FISHERIES. [12] 



39.— TRYGON Adaneon. (40) 



85. Trygon Centura Mitchill. N. ((51) 



86. Trygon hastata De Kay. S. (626) 



87. Trygon sayi Lo Sueur. S. W. (62) 



88. Trygon longa' Garman. P. 



89. Trygon diptenira Jordan & Gilbert. C. (63) 



90. Trygon tuberculata Lac^pfede. W. (64) 



91. Trygon sabina Le Sueur. S. (65) 



Family XXIII— MYLIOBATIDiE. (22.) 



40.— STOASODON Cantor. (41) 



92. Stoasodon narinari Euphraseu. S. W. (66) 



93. Stoasodon laticeps- Gill. P. 



41.— MYLIOBATIS Dum^ril. (42) 



94. Myliobatis freminvillei Le Sueur. E. S. (67) 



95. Myliobatis californicus Gill. C. (68) 



42.— RHINOPTERA Kuhl. (43) 



96. Rhinoptera quadriloba Le Sueur. N. (69) 



Family XXIV.— CEPHALOPTERID^. (23.) 

 43.— MANTA Bancroft. (44) 



97. Manta birostris Walbaum. S. P. W. (70) 



Subclass HOLOCEPHALI. 



Order H.— HOLOCEPHALI. (F) 

 Family XXV.— CHIM^RID^. (24) 



44.— CHIMiERA Linnteus. (45) 

 ^ Chimcera. 



98. Chimaera afBnis Capello.^ B. Eu. (71) 



ij Eydrolagus Gill. 

 99.' Chimaera coUiei Bennett. C. A. (72) 



1 Trygon Tonga Garmau. This species is described in the Synopsis Fish N. A., p. 66, 

 It is not uncommon along the Pacific coast, from the Gulf of California to Panama. 

 * ^Aetoiatia laticeps Gill, Ann. Lye. Nat. Hist. N. Y., 1865, 137. This species is 

 abundant from the Gulf of California southward. It has never benn properly com- 

 pared with S. narinari, and may not be different. 



3 Chimcera plumbea aud abbreviata Gill. 



To the synonymy in the Synopsis (. 54) add: Chimcera affinis Capello, Jorn. Sci. 

 Math. Phys. e. Nat., Lisboa, IV, 1868, 314, pi. Ill (facing p. 274), ff. 1, la.; Gunther, 

 VIII, 350; Chimaera abbreviata Gill, Proc. U. S. Nat. Mus., 1883, VI, 254.) 



Wo are indebted to Dr. Bean for the information that the Chimcera plumbea and 

 CUimccra abbreviata of Dr. Gill are identical with each other and with Ch. affinis. 



