54 THE VOYAGE OF H.M.S. CHALLENGER. 



series of four round black spots along the middle of the side of the body, a fifth similar 

 spot below the origin of the dorsal fin. Samboangan, Philippines. Length of specimens, 

 2^ to 5 inches. Pasananca, near Samboangan. 



Rasbora jMUpjnna, n. sp. 



L. lat. 28-29. The origin of the dorsal fin is much nearer to the base of the ventrals 

 than to the anal, and opposite to the ninth and tenth scales of the lateral line. The 

 length of the head is contained four and one-third times in the total (without caudal). 

 Barbel none ; maxillary extending to below the front margin of the eye. Pectoral as 

 long as the head. A silvery band along the side of the tail. Eiver at Pasananca, near 

 Samboangan (Philippine Islands). Length of specimens, 2^ to 3^ inches. 



Murcena richardsoni, Blkr., Reefs near Zebu, Samboangan. 

 Murcena nehulosa, Ahl., Reefs of Zebu. 

 Mitrcena, sp., young. Reefs near Zebu. 

 Balistes verrucosus, BL, Schn., Reefs of Zebu. 

 Monacanthus pardalis, Rlipp., Reefs of Zebu. 



Monacantlms tessellatus, n. sp. (PL XXIIL fig. B). 



D. 36, A. 32. Skin velvety, without distinct scales. The dej)th of the body is one- 

 half of the total length (without caudal). Snout, long, the distance of the eye from its 

 extremity being two- sevenths of the total length (without caudal). Upper profile very 

 slightly concave. Gill-opening below the middle of the eye ; root of the pectoral below 

 its posterior half. Dorsal spine rather long, nearly half as high as the body above the 

 posterior half of the eye, armed with four rows of barbs, of which the anterior are close 

 together. Caudal with the margin rounded. Dorsal and anal fins but little higher 

 anteriorly than posteriorly. Ventral spine small, fixed. Colour light brownish. Head 

 and body ornamented with sc^uarish dark brown spots, regularly arranged in transverse 

 and longitudinal series ; caudal blackish. Philippine Islands. Length of specimen, 5 

 inches. Station 204 ; 115 fathoms. 



Tetrodon immaculatus, BL, Schn., Philippines. Station 203. 

 Tetrodon patoca, H. B., Philippines. Station 203. 

 Chilomycterus orbicularis, BL, Straits near Zebu ; 18 fathoms. 



H. HONG KONG. 



The Expedition remained at this locality from November 16, 1874, to January 6, 1875. 

 Its fish-fauna being well known, but few species were collected, one of which appears 

 to be undescribed. 



