263 
skin of isthmus. Mandibulary and mental barbels 
AMM Una SVeTSeeSCMeS she dcweneMeen seit ny a, 6° seme! & Gagata p. 268. 
4. Head depressed. Mandibulary and mental barbels 
SIMU Ia CULVEUMING save erie ta stecae cle e sy 6 Bagarius p. 269. 
1. Glyptosternum McClelland. 
(Mc CLELLAND. Calcutta Journ. Nat. Hist. IJ, p. 584). 
(Glyptothorax Blyth, Bleeker). 
Head rather depressed and covered with soft skin. Eyes 
small, subcutaneous, looking upward. Mouth transverse, with 
the upper jaw conspicuously longer. Nostrils close together, 
separated by the short nasal barbel. Maxillary barbels very 
broad at the base. Mandibulary barbels behind level of corner 
of mouth, the shorter mental ones between them. Short dorsal 
with a pungent spine and 6 rays. Adipose fin rather short, 
above the short anal. Ventrals six-rayed, originating behind 
or below last dorsal ray. Pectorals horizontal with a strong 
denticulated spine. Caudal forked. Between the bases of the 
pectorals a thoracic adhesive apparatus, composed of longitu- 
dinal plaits of the skin'). Gillopenings wide. Palate edentulous. 
Teeth of the jaws in a villiform band. Gillmembranes confluent 
with the skin of the isthmus. 8—g branchiostegals. 
SS wMOpsis Of the species: 
 &y 
A, Height 5 or more... 
I. Caudal peduncle nearly as long as high. Occi- 
pital process 2 times longer than broad. 
a. Origin of ventrals far behind end of base 
of dorsal; distance between dorsal and 
adipose fin more or less twice the length 
Gime Adipose! Hits cid tells a, oh bie) G. platypogon 264. 
6. Ventrals totally below dorsal; distance 
between dorsal and adipose fin shorter 
PRAT AGE POSE! MILA setae oF si tehle ecte se: «ell nese G. baramensis p. 265. 
2. Caudal peduncle more than twice as long as 
high. Occipital process 3—4 times longer than 
DEGaGREemeRr Matra ce tei etveNe vsti 4 cl lop jets. Voie, | Jollet be G. platypogonoides p. 267. 
&B. Height 4—4!'/,. Caudal peduncle twice or less than 
BpHGe ras MOMer ARATE Me sera os)! sells sw ec 2. G. majus p. 267. 
1) This apparatus may get indistinct by preservation. 
