SILUHIDJ:. 



!17 



25a. SYNuDuNTiS ANSOUGII. 

 IJouleng. Ann. & Mag. N. II. (8) vii. 1911, p. 37.5. 



Dt-pth of body 3 to 3^ times in total length, length of head 3| to 

 4 times. Head a little longer tlian hroad, granulate above from between 

 the eyes ; snout rounded, as long as postocular part of head ; eye supero- 

 lateral, 3i (young) to 4,V times in lengtii of head, 1.^ to 1| times in 

 interorbiial width ; lips moderately developed ; prirma\illary teeth 

 forming a short and broad band ; movable mandibular teeth j to f 

 diameter of eye. CO to 80 (50 in young) in number. Maxillary barbel 

 with a broad mari^inal niembiane in its basal third, 1 to 1^ times length 



Fijj. 187 



Si/nndvutis aiifoi'(jh. 

 Type. i. 



of head, reaching between antcnior fourth and posterior third of pertoial 

 spine; outer mandibular barbel 1| to 2 times as long as inner, former 

 with long slender branches, latter with tubercular ramifications, (iill- 

 opening not extending downwards beyond root of pectoral s])ine. 

 Occipito-nuchal shield granulate like the occiput, obtusely tectiform, 

 ]i to !§ times as long as broad, posterior processes rounded or obliquely 

 truncate. Iliimeral ]n-ocess much longer than broad, granulate, not 

 keeled, obtusely pointed, extending as far or not quite so far as occipito- 

 niiehal process. Dorsal I 7; spine nearly straight, as long as or longer 



