126 



Addison E. Verrill, 



Stream, from Florida to North Carolina. Bate recorded it under 

 the name bidentatus as taken by the Challenger Exped., off 

 Bermuda in Sargassum. 



FIGURE 9. Hippolyte acuminata; a, female with eggs, enlarged two times; 

 b, rostrum enlarged ; c, larger chela ; d, leg of second pair ; e, first 

 maxilla; /, antennule. After Bate, as bidcntata. 



Tozeuma Stimpson. 



Toseuma Stimpson, Proc. Acad. Nat. Science, Philad., vol. xii, p. 26, 

 1860. M. J. Rathbun, Brach. and Macr. Porto Rico, p. 114, 1901. 



The body is much elongated, tapered both ways, compressed. 

 The rostrum is continuous with the carapace, long and slender, 

 acute, unarmed above, multidentate beneath, sometimes about as 

 long as the body, its dorsal surface is thick and rounded, the 

 margins bent down, forming a channel beneath, lamellate and wider 

 near the base. Antennules are short and biflagellate, outer branch 

 thickened. Antennae have a very long and large scale. 



Mandibles are strong, incurved, undivided, and lack a palpus, 

 crown has numerous dark spinules in many rows. Third maxil- 

 lipeds are short, and have neither an exognath nor a flagellum ; tip 

 flat, blunt, with short marginal spinules, alternate in size, last 

 article longer than preceding one. 



The legs are rather short and are without epipods. The first 

 pair are shortest, incurved, stout, and chelate. Chelae are thick, 

 unequal, bent, tips dentate ; the second pair are very slender with 

 the carpus long and 3-jointed, the small chelae are hairy, finger 



