A REVISION OF THE AUSTRALIAN ORECTOLOBIDA. 291 
Le Squale oeillé, Lacépede, Poiss., 1, 1798, p. 253. 
Hemiscyllium ocellatum, Miiller and Henle, Plagiost., 1841, p. 16, 
New Holland ; Duméril, Zlasmobr., 1870, p. 326. 
Scyllium ocellatum, Blyth, Journ. Asiat. Soc. Lengal, 1847, p. 726, 
pl. 258, fig. 2. 
Chiloscyllium ocellatum, Giinther, B. M. Catal. Fish., viii, 1870, 
p. 410: Sunday Island, North-west Australia, Cape York, Q. ; 
Macleay, Proc. Linn. Soc. V.S.W., vi, 1881, p. 363, Port 
Darwin, Torres Straits; zd., abid., vil, 1883, p. 597, Port 
Moresby, Papua; Ogilby, Proc. Linn. Soc. N.S. W., x, 1885, 
p. 464, Port Jackson ?; 7d., Cat. Fish. V.S.W., p. 3, 1886; id., 
Proc. Linn. Soc. N.S.W., xiv, 1889, p. 181, Port Moresby, 
Papva; Regan, Proc. Zool. Soc., 1908, i, p. 358. 
Body slender, its depth 11°80 in the total length. Width 
of head 1°35, depth of head 1°75 in its length, which is 1°70 
in the trunk and 8°40 in the total length. Snout rounded, 
declivous in front, sloping behind, its length 5°20 in that of 
the head. Anterior angle of nostril nearer to the tip of 
the snout than to the mouth; internasal space 1°65 in the 
width of the mouth; nasal cirrus much shorter than the 
eye. Mouth much nearer to the tip of the snout than to 
the eye, its width 3°50, the space between the outer angles 
of the labial grooves 2°35, and that between the lower 
labial grooves 8°25 in the length of the head. Hye a little 
nearer to the tip of the snout than to the first gill-slit, its 
longitudinal diameter 7°35 in the length of the head. Inter- 
orbital region flat, its width 2°40 in the length of the head. 
Spiracle a little smaller than the eye. Branchial region 
2°75 times the diameter of the eye; width of first gill-slit 
rather less than the diameter of the eye and about 2°00 in 
that of the last. Length of head and trunk 2°15 in that of 
the tail. First dorsal fin inserted wholly behind the base 
of the ventral, its distance from the tip of the snout 2°20 
in the total length, anterior border of fin sublinear, its 
