36 



SCYLLIUM 



i. Side view: eye; mouth; spiracle; gill-clefts; lateral line; pectoral fins; pelvic fins; dorsal fins; anal fin; 

 caudal fin. Strip off a small portion of skin to shew the myomeres. 



2. Ventral view : nasal apertures ; oronasal grooves ; mouth ; pectoral fin ; cloacal aperture ; pelvic fins, with 

 claspers in the male. 





