189i.] A. Alcock — lieccnt Collection of Baihylial FUTies. 137 



J50, in 719 fathoms, and is now for the first time recorded in the Indian 

 Fauna^ 



PLEOTOGNATHI. 

 Family Sclerodermi. 



TktACANTHODES) Blkr. 



26. Triacclnthodes ethiops, n. sp., PI. VII., fig. 6. 

 D. 6/14 A. 14 P. 11-12. V. 1/1. 



In a young specimen the height of the body is one-half the total 

 length — caudal included. 



The integument is evei-ywhere closely covered with acicular spine- 

 lets^ each of which is deeply imbedded in a fleshy papilla. Tiie fi.rst 

 dol-sal spine is of pre-eminent size,-^mor'e than half the height of the 

 body, but is neither so long nor so stout as the single recurred spine 

 of the ventrals. All the spines are armed with numerous small barbs. 

 In the axil of each ventral spine is a single minute filiform ray. 



Colours : uniform blue-black, the spiniferous papillfe milk-white. 



A single specimen not much over an inch and a half long. 



Loc. Bay of Bengal^ Station 162^ 145-250 fathoms. 



fiXPLANATlDiSr OF PLATES. 

 Plate VI. 

 rig. 3. Thyl'sites bengalensis. 

 2 '^ 2h' I P^ristethuS rivers-andersoni. 



Pig. 3, Glyptophidium ihacropus. 

 Fig. 4. Chascanopsetta lugubris. 

 Fig. 5. Chlorophtliaimils cornigei*. 



PlaTk VII. 



Fig. 1. Poecilopsetta maculosa. 



Fig. 2. Poecilopsettu prselonga. 



Fig. 3. Solea unibi-atilis. 



Fig. 4. Aphoristia trifasciata. 



Fig. 5. Congromuraena musteliceps. 



Fig. 6. Tt'iacanthodes ethiops. 



J. II. 18 



