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



Pimelepterus fuscus, Lacep. 



A single very young specimen, 27 mm. long, was captured south of the Cape of 

 Good Hope, in lat. 35° 4' S., long. 18° 37' E., near the surface; it has entirely the 

 aspect of the mature fish, but the teeth are not yet developed. This species was 

 previously known to occur at the Cape of Good Hope. 



Scorpsena dactyloptera, de la Eoche. 



Two specimens, 5 and 9 mm. long, were obtained on April 26, 1876, off St. Vincent, 

 Cape Verde Islands. As regards general shape, these young fishes do not differ from 

 the adult, but the spines on the occiput and prseoperculum are comparatively much 

 larger and finely denticulated. The pectoral fin also is considerably longer, extending 

 in the smaller specimen almost to the root of the caudal fin. Also the spines of this 

 specimen are longer than in the other. 



Holocentrum sp. 



A specimen, 6 mm. long, obtained in April 1875, between the Admiralty Islands 

 and Japan, represents the stage figured by Liitken, Vid. Selsk. Skr., xii. 1880, tab. 2, 

 fig. 6. Like the specimen figured there, it possesses the enormously elongate nuchal 

 and prseopercular spines, but the rostral process is shorter. 



Xiphias gladius, L. 



A specimen, 1^ inches long, obtained at the surface between Tenerife and St. Thomas, 

 West Indies, is not in a good condition, and represents the stage figured by Liitken, 

 Vid, Selsk. Skr., xii. 1880, tab. 2, fig. 10. 



Histiophorus sp. 



A specimen, 9 mm. long, caught in the surface-net between the Admiralty Islands 

 and Japan, in April 1875, agrees in all particulars with the one which I figured and 

 described in Journ. Mus. Godeffroy, vol. i., 1873, p. 98. 



Nealotus tripes, Johns. 



The specimen, which was captured at Station 40, in lat. 34° 51' N., long. 68° 30' W., 

 and which is only 33 mm. long, has been fully referred to in the Report on the Deep- 



