34 THE PROCEEDINGS OF THE LINNEAN SOCIETY 



nearly as long as the head ; soft dorsal and anal fins rounded 

 behind ; tail long and forked. Colour pale brown with six 

 black vertical bands, the first through the eye, the second behind 

 the operculum to the ventral fin, the third from the spinous dorsal 

 to the vent, the fourth from the beginning of the soft dorsal to 

 the anal, the fifth near the tail, and the sixth on the tail ; under 

 and a little in advance of the pectoral fin there is a large whitish 

 patch ; and on the soft dorsal and anal a large black whiteedged 

 ocellus, that on the dorsal extending from the third to the eighth 

 ray, and on the anal from the second to the fifth. Length of 

 specimen 3 inches, 4 lines. 

 From King George's Sound. 



Family TRACHINID^. 

 isosillago. n. gen. 



Body elongate, rather compressed ; cleft of mouth small ; eye 

 lateral; scales very small; spinous dorsal with 13 spines, con- 

 tinuous with soft dorsal ; ventrals thoracic ; lower pectoral rays 

 branched ; teeth on the vomer and palatine bones ; preeoperculum 

 denticulated ; bones of the head with the muciferous system well 

 developed ; 7 branchiostegals, Pseudobranchiae. 



This genus differs from Sillago in the continuous dorsal fin, 

 smaller scales, and in having 7 branchiostegals. 



3. — ISOSILLAGO MACULATA. PI. lY, fig. 3. 



D. 13/20, A. 2/21, L. lat. 125, L. transv. 11/34. 



Height of body eight times in the total length ; length of head 

 nearly one- fourth of same ; head rather convex in front of the 

 eye ; snout more than twice the diameter of the orbit from the 

 eye ; dorsal spines feeble, the second, third, and fourth longest, 

 the thirteenth short ; tail emarginate ; coloration pale yellowish 

 red with numerous black spots above the lateral line, and with 

 a few spots and a spotted interrupted black line below it ; fins 

 spotless. Total length nine inches. 



From King George's Sound. 



Family BLENNIIDyE. 

 4. — Tripterygium marmoratum. pi. Ill, fig. 2. 

 D. 3/14/12, A. 22, L, lat, about 85. 



