On the Fishes taken by the ' Oceana.'' 



37 



bi'lly-colour, as in tn'nittitis. Tiiil, apart fVoiii fiio fuiiy 

 basal portion (wliicli is like llie back), wliolly uliiti-, or witU 

 a few inconspicuous dark niarl>lin;^.s near its l>ase. 



I'inii'nsions ot" the tyj)e (measured on tlic skin) : — 



Head and body 210 una.; tail 3UU ; hind toot (s. u.) 32; 

 ear 32. 



iSkulI : greatest lengtli 48 ; basal length 44 ; zygomatic 

 breadth 27'5 ; combined length of three anterior molarifonu 

 teeth 7-1. 



I/u!>. Maripa, ('aura Valley, Lower Orinoco. 



7}//'^. Adult mah". H.M. no. 4. 5. 7. 42. Original num- 

 ber 37«;. Collected 2Gth October, 19U3, by Mr. S. M. Klages. 



This opossum agrees in size with the Trinidadian G. trini- 

 tatis and its Venezuelan relative C. t. venezueUvjUniX is there- 

 fore tar smaller than the Guianan C. philander, L., to which, 

 however, it shows some atiinity by its white tail, trinitatis 

 and veneciuhe both having this organ brown, with at most a 

 few lighter marblings. Its short close fur will also distin- 

 guish it from its Venezuelan neighbour. 



VII. — On the Fiahes taken l>q the ' Oceana.' * 

 By E. W. L. Holt and L. W. Bykne. 



Only six specimens of fish, all very young, were received 

 from the ' Oceana/ viz. : — 



• For details of the vovape and of the method of capture ste * The 

 Geographical J'^urnal," vol. liii. (1?90) p. 1 17. 



