ACAXTHOCLINID.E. 297 



of the Jardin des Plantes. The position of this singular fish cannot 

 be exactly determined, the description given being very insufficient. 

 Dr. Kaup calls it a new genas of riband-shaped fishes, with which, 

 however, it has nothing in common except the elongate form, so far 

 as we can learn from his description. 



31. PSEUDOBLENNIUS. 



Pseudoblennius, Schleg. Faun. Jupon. Poiss. p. 313. 



Body slightly elongate, naked ; snout somewhat produced, with 

 the cleft of the mouth wide ; a band of cardiform teeth in the jaAvs, 

 none on the palate. Two separate dorsal fins, the rays of the second 

 and of the anal not branched ; caudal distinct ; ventral with two soft 

 rays, thoracic. Branchiostegals six. 



Sea of Japan. 



1. Pseudoblennius percoides. 



Pseudoblennius, Schleg. I. c. 



Pseudoclinus, Schleg. I. c. pi. 79 A. figs. 2, 3. 



B. 6. D. 10 I 18. A. 16. 



A tentacle above the orbit. Brownish, marbled with darker : fin- 

 rays dotted with brown. 

 Bay of Oomura. 



Fam. 25. ACANTHOCLINID.E. 



Body elongate, low, compressed, covered with small scales. One 

 dorsal fin, occupying nearly the whole of the back, by far the greater 

 part being composed of spines ; anal Jin long, ivith the number of the 

 sjnnes exceeding that of the rays ; ventr ah jugular, composed of a few 

 rays. Dentition complete. Four gUls, pseudobranchise. Air-bladder 

 none ; pyloric appendages none. Vertebrte 12/18. 



Coasts of New Zealand. Carnivorous fishes. 



Only one genus. 



1. ACANTHOCLINUS. 



Acanthoclinus, Jcnyns, Zool. Beagle. 



Body elongate, compressed, covered with very small scales. Cleft 

 of the mouth lateral, of moderate width ; bands of small teeth in the 

 jaws, on the vomer, the palatine bones, and on the tongue. Dorsal 

 and anal fins long, the greater portion of both being composed of 

 spines ; soft rays in small number. Caudal rounded. Ventrals 

 jugular, composed of one spine and three rays. Several lateral liaes. 



