146 “TERRA NOVA” EXPEDITION. 
the number of vertebrae (28), pectoral (10) and caudal (14) rays. At this stage the 
pectoral rays are simple and elongate, the pelvic fins are rudimentary, and the dorsal 
and anal are rayless. The head is armed with paired occipital, otic and supraorbital 
spines ; the praeoperculum has two strong spines alternating with two smaller ones. 
Station 161. Melbourne Harbour. 12 metres. Young fish trawl. October, 1910. 
PLATYCEPHALIDAE. 
Platycephalus sp. (Pl. X, fig. 4). 
Numerous specimens, 5 to 7 mm. long, evidently pertain to this genus. I count 
27 vertebrae and 18 pectoral rays. In all the dorsal and anal are rayless; in the 
larger ones the end of the notochord is upturned and the hypurals and caudal rays are 
evident ; at 7 mm. rudimentary pelvic fins are present. The snout is depressed and 
rounded and the mouth is wide. There is a double spine on each side of the occiput, 
and there are two strong praeopercular spines and a smaller one below. 
Station 161. Melbourne Harbour. 12 metres. Young fish trawl. October, 1910. 
HETEROSOMATA. 
BorHipae. 
Paralichthinae. 
Ancylopsetta quadrocellata, Gill (P1. IX, fig. 3). 
A specimen of 5 mm. has the general characters of the post-larval fish described 
and figured by Kyle as Ancylopsetta sp. (Danish Oceanographical Exped. Flat-fishes, — 
p- 143.) The head is similarly armed, the anterior dorsal rays are produced, ete. 
Notable differences from Kyle’s specimen are that the body is deeper and the fin-rays 
are fewer. I count 73 dorsal rays, the anterior 13 somewhat spaced and at least the 
first 8 of these produced; the anal rays number 60, and the vertebrae 34 or 35 
(9-10 + 25). 
A second example of less than 3 mm. shows the characteristic pignientation and 
the prominent abdomen, but the fins are rayless and the end of the notochord is not 
turned upwards. - : 
Station 39. Six miles off the mouth of Rio de Janeiro Harbour. 2 metres. 
April 27th, 1913. 
Aneylopsetta sp. (Pl. IX, fig. 4). 
Two larvae, each 4 mm. long, may be provisionally referred to this genus. They 
agree with the preceding in the armature of the head and the number of vertebrae, but 
are not so deep, and lack the spots on the body. The fins are membranous except an 
anterior dorsal of 7 prolonged rays. 
Station 39. Six miles off the mouth of Rio de Janeiro Harbour. 2 metres. 
April 27th, 1913. 
