' Edriophthalma frovi South America. 345 



lY. Ekismojms rapax, Costa. Rio and Arica (var.). 



A few — male, female, and young. 

 A very widely distributed species. 



In connection vvitli this may be mentioned a form received 

 from Piol:. Curios E. Porter, of Santiago, Chile, and collected 





Elasmopus rapax, var. denlipalma. Second gniatbopod, adult cJ . 



at Arica, which I can only regard as a variety of the above. 

 The female and young male do not differ from E. rapax, nor 

 does the adult male except in the second gnathopod, of 

 wiiich the following is a description : — Side-plates irregularly 

 rounded, rather small. Hind lobe of fifth joint not projecting 

 beyond hind margin of sixth, densely setose. Sixth joint: 

 hind margin about half as long as the palm, which is defined 



