Very rare, scarcely ever seen by the Aborigines. Caught by hook, August, 1841.

No. 49.—MONACANTHUS.—Not known to the Aborigines. Rays, D. 32; A. 30;
C. 12; P. 11. Eye yellow; dorsal spine short.

Taken in deep water by Mr. Johnson, off the Commissariat stores, near a sunken rock, in deep water.

No. 15.—MONACANTHUS.—Native name, CAUDIEY. "Small leather-jacket" of the sealers.

Inhabits deep water, with a rocky bottom; is good to eat. Caught by a net, 18th March, 1841. Dorsal spine toothed behind.

No. 31.—MONACANTHUS, or (ALEUTERES, no spinous point of the pelvis visible in figure.—J. R.)—Native name, TABEDUCK. The "yellow leather-jacket" of the sealers. Dorsal spine toothed. D. 33; A. 32; P. 13. Caudal rounded, its rays very strong.

Inhabits deep water in rocky places, and is very common. It is esteemed for food by the Aborigines; is much infested by an Isopode named NETTONG, or TOORT, by the natives. This insect inserts its whole body into a pocket by the side of the anus, separated from the gut by a thin membrane. The fish to which the insect adheres are yellow; those which are free from it are of a beautiful purple colour. Caught by hook, 12th May, 1841.

CARCHARIDAE.

No. 54.—CARCHARIAS (PRIONODON) MELANOPTERUS, Muller and Henle.—Native name, MATCHET. "Common blue shark" of the settlers. Specimen four feet and a half long; have been seen longer. A female had four young alive when taken. Spiracles behind the eyes. Caught by hook, 16th August, 1841.

No. 26—CESTRACION PHILIPPI, Mull. and Henle.—Native names, MATCHET, KORLUCK, or QUORLUCK. "Bull-dog-shark" of the sealers. Specimen two feet and a half long.