42 G. 0. SAES. PRELIMINARY NOTICES ON THE SCHIZOPODA. 



to their being mounted on glass-slides in narrow cells, whereby 

 the body has been partly crushed and deformed. 



52. Euchætomera typica n. sp. 



Form of body apparently rather short and robust. Carapax 

 with a distinct, but short pointed rostral projection. Last post- 

 abdominal segment slightly longer than the preceeding. Eyes not 

 very large, and separated by a distinct interstice. Antennal scale 

 surpassing the antennular peduncle by about its third part, oblong, 

 apex obliquely truncated, the spine of the outer edge remarkably 

 strong and slightly pointing outward. Telson quite as broad as 

 long, lateral margins armed with 6 strong denticles on each side. 

 Outer lamella of the uropods surpassing the inner by almost its 

 third exterior part, very narrow, and somewhat flexuous at the base. 

 Length of adult female: 14 mm. 



Hab. North Pacific (Stat. 244, 246, 252); surface. 3 specimens. 



53. Euchætomera tennis n. sp. 



Form of body apparently much more slender than in the last 

 species. Rostral projection very slight. Last postabdominal seg- 

 ment much longer than any of the preceeding. Eyes rather large 

 and placed close together, almost contiguous. Antennal scale very 

 narrow, sublinear, slightly arcuated, apex obliquely truncated, the 

 spine on the outer edge much smaller than in E. typica. Legs 

 very slender. Telson without any marginal denticles, apex narrowly 

 truncated. Uropods almost as in E. typica. Length: 8 mm. 



Hab. South Pacific, off the coast of Chili; surface. A single 

 specimeu, female. 



Gen. 9. Pro my sis Dana 1859. 



United States Expl. Exped. Vol. XIII. Crustacea. 



54. Promysis (?) pusilla n. sp. 



Form of body rather short and stout. Carapax apparently covering 

 the whole anterior division of the body, with a very marked cervical 



