442 DESCRIPTIVE CATALOGUE OF ATTSTRALIAIT FISHES, 



the vomer, none on tlie palatine bones. Seven branchiostegals j 

 air-bladder present, small pyloric appendages in small number. 



Indian and Australian Seas. 



305. Synancidium horridtjm, Linn. 



Gunth. Cat. Fislies II., p. 144. 



D. 2. 11/6. A. 3/5. Csec. pylor. 3. Vert. 10/14. 



A very large and deep hemispberic groove on the cheek ; crown 



of the head saddle shaped. Vomerine teeth. Dark brown, the 



fins with lighter bands. 



Port Essington, Port Jackson. 



Family IX. TEUTHIDIDiE. 



Perciform Fishes with an outer and inner spine in the ventral 

 fin. 



Genus Teuthis, Linn. 



Teeth small, denticulated, in a single series. Fins, dorsal 

 13/10 ; anal 7/9 ; V. 1/ 3/1. Scales minute. Five branchiostegals. 

 Pseudobranchise weU developed ; air-bladder large, forked 

 anteriorly and posteriorly. Intestinal tract with several circum- 

 volutions ; five or six pyloric appendages. 



Herbivorous Fishes. Indian and Pacific Oceans. 



306. Teuthis javus, Linn. 



Gunth. Oat. Fishes III., p. 315. 



The height of the body is two-fifths of the total length ; the 

 length of the free portion of the tail is contained twice and three 

 fifths in that of the head. Ground colour dark, the whitish spots 

 are round on the back, oblong on the side, and confluent and 

 forming longitudinal streaks on the belly, the spots and streaks 



