﻿335 



in jaws in narrow bands, at the inner side with a series of 

 larger teeth; in young specimens they are less numerous. On 

 intermaxillary plate an oval patch of larger teeth, on vomer 

 a long narrow band, tapering posteriorly. Gillopenings ventral. 



.^.,^^^<^Wi 



■^■^^ry^^' 



^ 



Fig. 163. SynapJiobranchus brevidorsalis Gthr. V -/j. 



The small figure shows the united gillopenings at the ventral surface between 



the bases of the pectorals /. X 'Vs- 



united into an oval groove between the base of the pectorals, 

 separated by a considerable isthmus within. Branchial openings 

 in pharynx are wide slits. 



Distribution: Deep sea, from 195 — 3749 M. depth. 



I. Synaphobr anchus Johnson. 

 (Johnson, Proc. Zool. Soc. London, 1862, p. 169). 

 Dorsal beginning behind anus; pectorals well developed, less 

 than 3 times in length of head. 



Distribution: Deep sea of Atlantic, Indie and Pacific. 



I. Synaphobranchus brevidorsalis Gthr. 



Synaphobranchus brevidorsalis Gunther, Challenger Rep. Zool. XXII. 1887, p. 255. 

 Synaphobranchus jenkinsi Jordan & Snyder, Proc. U.S. Nat. Mus. XXIII. 1901, 



p. 845. 

 Synaphobranchus brevidorsalis Brauer, Deutsche TiefseeExp. Tiefsee-fische, 1 906, 

 ' p. 134- 

 Synaphobranchus brevidorsalis M. Weber, Siboga-Expeditie Fische, 1913, p. 55. 



