484 



PROCEEDINGS OF THE ACADEMY OF 



[July, 



dorsal; 7 scales obliquely back from origin of spinous dorsal to lateral 

 line; 5 scales obliquely forward from origin of spinous anal to lateral 

 line; width of head 2|- in its length ; depth of head, over middle of orbit, 

 1|; snout 2f; eye 3; maxillary 3^; interorbital space 3^; length of 

 depressed spinous dorsal a trifle more than head; of anal 1^; of pec- 

 toral 1-J; of ventral 1|-; least depth of caudal peduncle 2^. 



Body moderately elongate, well compressed, and greatest depth al)out 

 origin of dorsal, so that back is a little elevated. Upper profile nearly 

 straight from tip of snout to origin of dorsal. Caudal peduncle com- 

 pressed, its least depth about 1 ^ in its length. 



Fig. 6. — C yclocJieil i chthyt^ megalops Fowlor. 



Head compressed, moderately long, and upper profile horizontally 

 oblique and straight. Snout rather long and obtuse. Eye large, longer 

 than deep, a little anterior and high. Pupil large, vertical. Mouth 

 inferior and terminal, u]:)per jaw about even with tip of snout. Lips 

 rather thin and transversely plicate. Tongue little free or distinct. 

 Mandible inferior, not extending forward opposite tip of upper jaw. 

 Upper jaw protractile. A small pointed maxillary barbel at corner of 

 mouth. Nostrils adjoining, close in front of upper orbital rim. Preor- 

 bital long, about | of length of horizontal orbital diameter. Inter- 

 orbital space flattened, a trifle concave medianly. 



