Description of a collection of Fishes from China. 395 



cossyphus ater, 

 ' Macrognathus undulata, 

 murcenesox tricuspidata, 

 Pneumabranchus cinereus, 



S. — Estuary species of Bengal, found at Chusan by Dr. 

 Playfair. 

 Chaca Hamiltonii, Gray. 

 Saccobranchus singia, Cuv. et Val. 

 Bagrus cavasius, Cuv. et Val. 

 Silurus bimaculatusy Bloch. 

 Silurus duda, Buch. 



4. — Fresh-water species before undescribed. 



Anguilla macroptera, 

 Anguilla sinensis, 



CoBITIS BIFURCATA, 

 CoBITIS PECTORALIS. 



5, —Fresh- water species of Bengal, found at Chusan by 



Dr. Playfair. 

 Cyprinus ( Barbus ) putitora, Buch. 



Holocentrum maculatum, t. xxi. fig, 1. 



This is a very well marked species of an extensive genus. 

 The general colour of specimens in spirits is silvery white 

 on the lower parts of the body and sides, below the lateral 

 line ; with light brownish grey on the back, softening down 

 into silvery white on the sides. There is one, two, or three 

 rows of black spots on each side ; one of these rows extends 

 along the base of the dorsal fins, and another along the 

 upper edge of the lateral line, together with an incomplete 

 row between these on the higher part of the body, and 

 another incomplete row below the lateral line, particularly in 

 the larger specimens. 



There is an arched row of dark spots on each side along the mid- 

 dle of the anterior dorsal fin, with an imperfect row at the base of the 



