342 DESCRIPTIVE CATALOGUE OF AUSTRALIAN FISHES, 



The height of the body is one-fourth of the total length, the 

 ■width nearly the same ; the diameter of the eye is three times 

 and a half in the length of the head. The nasal openings are 

 on a prominent papilla in front of the eye. Snout rather obtuse. 

 Two-rooted minute spines cover the upper part of the head and 

 the back to near the end of the pectoral fins, where they terminate 

 in forming a triangle. The front part of the head and cheeks 

 are smooth, the spines beginning behind the nostril. The throat 

 and belly are covered with small spines and pores. The dorsal 

 fin is situated equidistant between the snout and the end of the 

 tail. Caudal fin truncated, its length being about equal to the 

 breadth of the back. Colour in spirits slaty blue above, beneath 

 yellowish; fins yellow. Without spots. 



Port Darwin. Length three and a half inches. 



1056. Tetrodox marmoratus, Casteln. 



Crayraaion marmorata, Casteln. Proc. Zool. Soc. Victoria, Vol. II., 



p. 148. 



One nasal opening only on each side. The upper anterior 

 part of the body from near the end of the pectoral fins to the 

 head, covered with rather strong spiues placed a considerable 

 distance from one another ; the rest of the head and body smooth. 

 Dorsal fin of eleven rays ; caudal of eight long rays, ventrals of 

 ten, and pectorals of sixteen. Above dark brown, covered with 

 very numerous irregular round whitish spots ; lower parts and 

 fins yellow. 



West Australia. Length five and a half inches. 



1057. Tetrodox lixeatus, Bl. 



Bleek. Atl. Ichth. Gymnod., p. 70, pi. 8, fig. 1.— Gunth., Cat. 



Pishes, VIII., p. 295. 



Small but rather prominent spines cover the entire body, 

 extending forward to or nearly to the lips, and behind nearly to 



