148 ICHTHYOLOGY 
the stripes and bands are of an olive-green ; at the base of the 
first dorsal spine there is generally a cobalt patch ; the fins 
are yellow. 
The specimens are five and a-half inches long. 
ABAC AN A LENTICULARIS. 
Ostracion Lenticularis, Rich., Proceed. Zool. Soc, 1841, 
p. 21. 
, I have had two specimens of this fish from Western Aus- 
lia one from Mr. Evans, of St. Kilda, and the other from 
the Rev. Mr. Bostock. They are both in a dried state, and 
show numerous black spots on the body ; they also have two 
longitudinal bands of the same colour, one running from the 
eye to the snout, and the other from the base of the pectorals 
to the lower jaw. They are both three and a-half inches long. 
CRAYRACION. 
This genus has been established by Dr. Blecker for 
Tetrodons, having on each side only one nasal opening, and 
a spiny body. 
CRAYRACION MARMORATA. 
The upper anterior part of the body, from near the end of 
the pectorals to the head, covered with rather strong spines 
placed at considerable distance one from the other; the 
remaining portion of the body and head is smooth ; dorsal of 
eleven rays ; caudal of eight long ones; ventrals of ten; pectorals 
of sixteen ; the upper parts of a dark brown, covered with 
very numerous, irregular, round, whitish spots ; lower parts 
and fins of an uniform yellow colour in liquor. 
Length of specimen five inches and a-half. 
CESTRACION PHILIPPI. 
Small specimen, similar to those from the Victorian coast. 
RHINOBATUS DUMERILII. 
Snout very obtuse, rounded, broad, with semicircular out- 
line. The distance to the outer angles of the nostrils is 
