94 



A few rudimentary Cfeca round the pylorus only. 

 Colours in spirit : blackish, silvered over ; fins blackish grey. 

 Numerous specimens, the largest 9- inches long. 



Andaman Sea, 271 and 405 fathoms: ofP Travancore coast, 360 and 406 

 fathoms. 



-n 1 AT 11../^ I 14 I'' 125 144 160 161 164 334 336 337 



±iegd. JNos. llool, Y - y, — , — , -y ~' "f "y X' T' 



73. Glyptojihidluni tuacropus, Alcock. 



Glyptophidium macropus, Alcock, Journ. As. Soc. Bengal, Vol. LXIII. pt. 2, 1S94, p. 122, pi. vi. fig. 3 : 

 Illdstkations of the Zoology of the Investigatok, Fishes, pl. XV. fig. 6. 



Differs from G. argenteum only in the following particulars : — 



The length of the head is only about a fourth the total. 



The angle of the preoperculum is notched, the angles of the notch being 

 rounded off. 



Each pseudobranch consists of ii'om 5 to 8 filaments. 



The length of the pectorals is equal to that of the head behind the middle 

 of the eye. 



Each ventral consists of two rays of which the inner one is an eye-length 

 lons'er than the head. 



The pyloric casca are longer. 

 The largest specimen is 5^ inches long. 



Colours in spirit : head, iris and body silvery, the body finely speckled with 

 black : vertical fins greyish with blackish tips, pectorals blackish, ventrals milk 



white. 



Bay of Bengal, 145 to 250 fathoms. 

 Regd. Nos. 13529-13585. 



Lamprogeammus, Alcock. 



Lamprogrammus, .-Mcock, Ann. Mag. Nat. Hiat., July 1891, antl Joarn. Ag. Soc. Bengal, Vol. LXV. pt. 2, 1896, 

 p. 309. 



Body elongate, compressed, of good height ; tail long, tapering to a lash- 

 like filament : head compressed, with soft, almost membranaceous, frilled and 

 crested bones : both head and body covered with thin deciduous scales. 



Lateral line broad, very conspicuous, continued at least halfway along the 

 tail ; its scales much enlarged, each being furnished with a (luminous) gland. 



Suout not overhanging the jaws, without barbels. Mouth wide. ViUiform 

 teeth in bands on the jaws and palatines and in a A-sliaped band on the vomer. 



Eye of moderate size. 



