346 On Edriophthalma from South America. 



by a strong tooth ; on the inner side near the hinge of the 

 dact3dus is a broad irregularly rounded tooth, below which is 

 another similar to that defining the paltn but larger. On the 

 outer side, opposite to the rounded tootii and projecting beyond 

 it, is a long curved tooth with rounded apex (as in figure, 

 p. 345), thedactylus when closed lying between the two teeth. 

 Length of adult male 9 mm. It may be called var. denti- 

 palma. Specimens in the British Museum (Nat. Hist.). 



V. Mcera incequipes (A. Costa). Arica. 

 Three specimens. 



VI. Orchesioidea hrasiliensis (Dana). Rio. 



In quantity. Length of female with ova 10 mm. 



VII. Orchestta c?ciliensis, M.-E. Arica. 

 Many. Length of large ^ 20 mm. 



VIII. Hyale grandicornis (Kioyer). Arica. 

 About twelve. 



IX. Hyale media (Dana). Rio. 

 Many. 



X. Amphithoe intermedia, A. O. Walker. Rio. 



Seven. 



Widely distributed: Ceylon, Indian Ocean, Gambler 

 Islands *, S. Africa. 



XL Caprella scaura, Templeton. Rio. 



Caprella attenuata, Dana [from Rio de Janeiro], Mayer, Die Caprel- 



lideu, p. 67, ligs. 24, 25. 

 Caprella scaura, Temp., Mayer, Caprellidae ' Siboga ' Exped. p. 117, 



pi. V. tigs. 13-18. 



Six specimens. 

 * Chevreux, M4m. Soc. Zool. de France, vol, xx. 1907, p. 615, fig. 29. 



