170 



Bulletin American Museum of Natural History. [Vol. XXXV, 



Callyodon microps sp. now 

 Fig. 12. 



Head 2.8; the body robust, deep and compressed, depth 2.3. A conspicuous 

 fleshy hump at the nape, extending from before the eyes to the insertion of the dorsal 

 fin. Snout 2; preorbital 3.8; maxillary 3.2; eye very small, 11 in head, 5.5 in snout. 

 Teeth green; no posterior canines; upper lip covering two thirds of the tooth base, 

 the lower about two fifths. Two rows of scales on the cheek, five scales in each row. 

 Gill membranes united, free from the isthmus. 



Scales moderate, 2£, 23, 6|; lateral line complete. 



Dorsal X, 9, beginning over the* insertion of the pectoral, the posterior rays 



an w^m- - -. 



;;> 



Fig. 12. Callyodon microps sp. nov. 



highest, the longest 2.5 in head; pectoral bluntly falcate, 1.5 in head; ventrals 

 pointed, 1.8 in head, reaching three fifths of the distance to the vent; anal II, 9, its 

 longest ray 3.3 in head; caudal lunate, its angles strongly exserted, the lobes extending 

 for a distance equal to 2.75 in the snout. Caudal peduncle short and deep, its depth 

 2.5 in head. 



Color in spirits everywhere, including the fins, dark olive green; the fins with 

 more or less dusky, especially so on the middle rays of the caudal. 



Type No. 5212, American Museum of Natural History. One specimen 28 inches 

 long, from Santa Catalina I., April 16, 1915. 



Like C. pcrrico, but differs in the exserted caudal lobes, the much smaller 

 eye, and minor points. 



Callyodon noyesi (Heller and Snodgrass). 



This species has hitherto been known from the Galapagos Is., from 

 which place it was described in 1903. Kendall and Radcliffe in 1912 listed 



