400 SCYLLIID.E. 



Fam. 5. SCYLLIIDtE. 



The first dorsal fin above or behind the ventrals, 

 without spine ; an anal fin. No membrana nictitans. 

 Spiracle always distinct Mouth inferior. Teeth 

 small, several series being generally in function. 



20. SCYLLIUM. 



Scylliuiu, sp., Cnv. Regne An. 

 Scylliuiu, 31iUl. if Henh; p. 3. 



Scylliorliinus, Ilalffilurus, Poroderma et Cephaloscyllium, Gill, Ann. 

 Lye. Nut. Hist. New York, vii. p. 407. 



Two dorsal fius without spines, the first above or behind the ven- 

 trals ; the origin of the anal fin is always in advance of that of the 

 second dorsal. Spiracle behind the eye. ^'asal cavity separate from 

 the mouth. Teeth small, with a middle longer cusp and generally 

 one or two small lateral cusps, arranged in numerous series. Eggs 

 similar to those of the Rays. Upper edge of the caudal fin not 

 .serrated. 



Temperate and tropical seas. The species do not attain to a 

 large size. 



1. Scyllium marmoratum. 



Scylliuui marmoratum, Benn. Life of liajfles, p. Ci»3. 



maculatum, Grai/, Lid. Zool. ; lUcltnrds. Ichth. Chin. p. 193 ; 



Midler ^- Henle, p. 5, pi. 7 ; Cant. Med. Fish. p. 891 ; Blcek. Verh. 



Bat. Gen. xxiv. Plagiost. p. 16 ; Dumcril, Elasmohr. p. 319 (not 



Bl. Schn.). 



Nasal valves confluent, Mithout cirrus, forming together a broad 

 flap in front of the mouth, the posterior edge of the flap being free, 

 not interrupted in the middle, concave. Both jaws with a well- 

 developed labial fold, extending from near the symphysis of the lower 

 jaw, round the angle of the mouth, to the nasal flap. Teeth of both 

 jaws very small. Gill-openings as wide as the slit for the eye. 

 Ventral fins subtruncated behind. End of the anal fin below the 

 middle of the dorsal ; the length of its base is nearly equal to tliat 

 of the dorsal, and about two-thirds of its distance from the caudal. 

 Upper parts with irregular brown spots more or less confluent into 

 ocelli or undulated bands. Lower parts immaculate. 



East-Indian archipelago. 



a. HaK-grown : skin. Singapore. From Dr. Cantor's Collection. 



b. Half-grown. India. Presented by General Hardwicke. — Type 



of 8c. maculatum. 



