1377 
Halosaurus pectoralis Me Culloch 
Halosaurus pectoralis MC CULLOCH, Biol. Res. Endeavour, 
vol. 5, pt. 4, June 8, 1926, p. 171, pi. 43, fig. 3. 
Great Australia Bight, south from Eucla, 350 to 450 
meters. 
Depth 17, 7 3/4 to vent; head 6 1/5 In total 2 4/5 to 
vent. Snout 2 1/5 In head; eye 6 1/2, 3 In snout; maxillary 
not quite reaching eye, length from snout tip 2 1/8 in head; 
teeth in villiform hands in jaws, on palate and tongue; in¬ 
terorbital low, flat. Gill rakers17, 1/3 of eye. 
Scales about 55? in lateral line to vent; 14 above. 
D. I, 9 to 12, first branched ray 2 1/4 in head, fin ori¬ 
gin close behind ventral origin or little behind forst seventh 
between ventral and anal origins; A. 158, third ray 3 1/4; 
caudal 1 1/2; pectoral 1 2/5; ventral 2 3/5. 
Whitish after long preservation. Scale pits margined 
brown on upper parts. Eye and gill covers black. Hind third 
of anal and caudal with brown edges. Length 545 mm. 
(Me Culloch). 
Australian Seas* 
