FISHES OF PU.GET SOUND. 827 



uniform gray with the exception of a dark spot at occiput; 

 belly dusky; dorsals somewhat mottled; anal black, with 

 a white spot near its middle : pectorals white, with a large 

 black spot on base of rays; ventral black, abruptly white 

 at tips; caudal black, edged with white. 



One specimen brought up in the dredge, 1% inches in 

 length. It is in the Leland Stanford Jr. University Mu- 

 seum, number 3130. 



This species seems to represent a new subgeneric or 

 generic type, allied to Averruncus, distinguished by the 

 supraocular spine and by the subequal rays of both dor- 

 sals, the last of each not adnate to the body. 



90. Xenochirus triacanthus Gilbert. Plate xciii. 

 Rare; brought up in the dredge in company with 



Odontofyxis trisfinosus. One specimen obtained, 2>V 2 

 inches in length. In this young example, here figured, 

 the lower rays of the pectoral are not produced. 



91. Odontopyxis trispinosus Lockington. 

 Abundant in deep water: the most common species 



brought up by the dredge. Length 4 inches. In this 

 genus and in Xenochirus there is a movable spine or long 

 plate on median line at tip of snout. 



Family CYCLOPTERIDyE. 



92. Lethotremus vinolentus Jordan and Starks, n. sp. 

 Plate xciv. 



Head 2^ in length; depth 2^; dorsal V-7 ; anal 6; 

 eye 3 in head; snout nearly 4; maxillary 2^ ; interorbital 

 2%; ventral disk 1% ; height of spinous dorsal 2^; 

 length of pectoral 2^. 



Body short and thick, broadest at head, deepest in front 

 of first dorsal spine, abruptly compressed at vent; back 

 somewhat elevated. 



