CHILOSCYLLIUM PUNCTATUM. 61 



groove; anterior nasal valves reaching the mouth, widely separated by the 

 median preoral attachment, each valve with a long pointed cirrus; posterior 

 valves forming a fold at the outer side of the nostril, continued in a fold on the 

 outer edge of the nasoral groove with a short free extremity. Mouth transverse, 

 with labial folds, around the angles, and with a transgeneial fold across the chin 

 below the symphysis. Teeth small, compressed, median cusp triangular witli 

 or without smaller lateral cusps at its base, three or more series in function. 

 Gill openings narrow, hindmost two wider and close together, hindmost three 

 above the pectoral. Fins medium to small; dorsals above the space between 

 ventrals and anal; anal and subcaudal narrow, close together. 



India and China to Australia. Fossil species are known from the Miocene. 



One dermal ridge on the back 



anal shorter than the subcaudal 



origin of the first dorsal above forward half of ventral bases 

 dorsals larger than the ventrals, hind angles produced 



punctatum (page 61) 

 origin of first dorsal above middle of ventral bases 



dorsals smaller than the ventrals, hind angles not produced 

 body with transverse bands and white spots 



plagiosum (page 62) 

 origin of first dorsal above ends of ventrals 



dorsals smaller than ventrals, hind angles rounded 

 body with transverse bands and spots of dark 



griseum (page 64) 

 Three dermal ridges on the back; fins all small 

 anal as long as the subcaudal 



origin of first dorsal above ends of ventrals 



dorsal fins equal ventrals, hind angles not produced 



indicum (page 65) 

 Chiloscyllium punctatum. 



Chiloscyllium punctatum Muller & Henle, 1841, Plagios., p. 18, pi. 3; Bleeker, 1852, Plagios, p. 22; 



Dumeril, 1865, Elasm., p. 330; Gunth., 1870, Cat. fishes Brit, mus., p. 413; Regan, 1908, Proc. 



Zool. soc. Lond., p. 360. 

 Chiloscyllium griseum, Muller & Henle, 1841, Plagios, pi. 4. 



Elongate, slender, subcylindrical, body cavity more than one third, head 

 about one sixth, of the total length. Snout moderate, broad and blunt. Nostrils 

 with nasoral grooves; anterior valves extending to the teeth, cirri longer, witli 

 a free angle behind the preoral attachment; posterior valves forming a fold 



