1 3 o 



behind and below eye, on opercle, between branchiostegal rays, 

 in groups along isthmus, along ventral edge, between ventrals 

 and anal, above and behind anal, above and behind pectorals. 

 Spiny ridges on head and belly. A strong praeopercular spine. 

 Gape of mouth vertical, rather small, bordered above by the 

 slender intermaxillaries, which are followed by the posteriorly 

 broadened maxillaries. Mandibles received within the upper 

 jaw. Eye very large, snout very short. Origin of dorsal nearly 

 midway in length of body, preceded by a short bifid spine. 

 A low adipose fin present. Origin of anal at the beginning 

 of last J /s f length. Pectorals low down, long; ventrals short. 

 Caudal forked. Minute teeth in bands on intermaxillary and 

 mandible, in a series on maxilla. Similar teeth on vomer. 

 Gillopening wide, gillmembranes free from the isthmus, deli- 

 cately connected. 9 11 short branchiostegal rays. Pseudo- 

 branchiae present. Gillrakers rather long. 



i. Polyipnus spinosus Gthr. 



Polyipnus spinosus Gunther, Challenger Rep. Deep-sea Fishes, 1887, p. 170. 

 Polyipmis spinosus Alcock, Ann. Mag. Nat. Hist. (6). IV. 1889, p. 398. Descr. 



Cat. Indian Deep Sea Fishes, 1899, p. 137. 



Polyipnus spinosus Brauer, Deutsche Tiefsee-Exp. Tiefseefische, 1906, p. 120. 

 Polyipnus spinosus Max Weber, Siboga-Exp. Fische, 1913, p. 22. 



Fig. 47. Polyipmis spino&us Gthr. 



B. 9 ii; D. 1213; A. 1517; P. 1214; V. 5. 



Height i7 3 1 2 / 3 , head 3, much higher than long; eye 2 ! / 2 . 

 Vertical diameter of eye ! / 2 or somewhat more of length of 

 head. Snout very short, less than pupil. On dorsal part of 



