Amphipoda HyperiiJea collected by the 'Discovery.'' 259 



Genus Hemityphis, Glaus. 



Hemityphis tenuimanus, Claus. 



Hemityphis tenuimanus, Claus, 1879. 

 Dithyrus tenuimanus, Bovallius, 1887 (i). 

 Hemityphis tenuimanus, Claus, 18^7. 

 Hemityphis tenuimanus, Stebbing, 1888. 



Localities. Lat. 35° 10' S., long. 13° 10' W., Sept. 22nd, 

 1901 (near Tristan da Cunha), one male, 5 nun. Lit. 

 15° 45V S., long. 33° 11 V \V., Sept. 10th, 1901 (near Bahia), 

 one, immature. 



Distribution. Atlantic Ocean and the Gape of Good Hope 

 (Clans) ; the Pacific Ocean and the N. Atlantic {Stabbing) ; 

 off the Azores (Chevraux). 



Genus PARATYPHIS, Claus. 



JParatyphis parous, Claus. 

 Paratyphis parvus, Claus, 1887. 



Locality. Lat. obs. 13° 59' S., long. 31° 35' W. } Sept. 9th, 

 1901; one female, 3 mm. 



Distribution. Lagos, the Atlantic Ocean [Claus) ; off the 

 Azores (Chevreux). 



The above is therefore the most southerly record yet 

 obtained for this species. 



Family Scelidse, Claus. 

 Genus Hemiscelus, nov. 



First and second gnathopods with the carpal joint produced 

 so that both limbs are subeheliform. 



Laminar basal joint of the sixth leg without a sickle-shaped 

 slit. 



Seventh leg elongate and completely developed. 



As 1 had only a single specimen at my disposal, the 

 mouth-organs were not dissected out. 



In many respects this form closely approaches Schizo- 

 scelus omatus, Claus; but the possession of a subeheliform 

 first gnathopod serves to distinguish it. Another point of 

 difference is the absence of the pocket-like slit on the first 

 joint of the sixth leg, which is so characteristic a feature of 

 tichizoscelus. 



A cursory examination of the gnathopods might induce 

 one to regard the present specimen as a member of the 



