coRopnirD.K. 241 



The basa of the three posterior pairs of pereiopoda tapering: towards* 

 their distal extremities. Telson consisting of a small, triangular 

 very short lamella. 

 " Hnh. Indian Ocean." — F.diuards. 



The figure accompanpng the above description is di'awu from the 

 typo, which is preserved in the Museum of the Jardin des Plantes. 



14. Amphithoe picta. (Plate XLII. fig. 4.) 



Ampliithoe picta, liatlilii; Faioui der Knpn, p. 3G9. tab. 5. figs. 15-19. 

 Edtcards, Hist, des Crust, iii. p. •'>!. 



" Superior antennoB considerably longer than the inferior. Inferior 

 pair ha^-ing the flagcllum shorter than the peduncle. Eyes cir- 

 cular. Gnathopoda subequal, tolerably large, having the palmfe 

 rather oblique. Basa of the three posterior pairs of pereiopoda 

 (Ulated and postex-iorly rounded. Posterior pair of pleopoda short, 

 luuing the rami shorter than their pedimcle and terminating in 

 hooks. Telson small, triangular, scarcely projecting. 



" Hab. Crimea {Rathlce):'— Edwards. 



I can detect no specific distinction between this species and A. 

 litforina of our o^^^l shores. 



15. Amphithoe dentata. 



Amphithoe dentata, Sa;/, Proc. Philad. Acad. i. p. 383. 



Edwards, Aioi. des ISc. Nat. xx. p. 377 ; Hist, des Crust, iii. p. 33. 



" Antennje moderate, not remarkably robust. Clypeus obtuse, not 

 projecting beyond the frontal curve. Eyes small, subtriangular, 

 distant above. Gnathopoda ha^^ng• the propoda truncate, palm 

 destitute of prominent teeth ; dactylos impinging at the extremity 

 only, not closing on the palm. Three posterior pairs of pereiopoda 

 ha^•ing the posterior margin of the dilated basos strongly serrated. 

 Telson not remarkably serrated. 



" Length j^ths of an inch. 



" Hah. Freshwater marshes. South Carolina." — Saij. 



16. Amphithoe punctata. 



Amphithofi punctata, Sai/, Proc P/ii/ad. Acad. i. p. 383. 



Edicards, Hist, des Crasf. iii. p. '•'>'). 

 Ampliithoe virescens*, Stimpson, Lirert. of Grand Munan, p. 53. 



" Eyes ovate, acute, distant above. Clypeus not projecting into an 



* Stimpson says that tliis sjx'cics is of a softer struct uiv than mosl uf tlie 

 Ampliipoda. 



