398 



M. A. DOLLFtrs ON WEST-INDIAN 



[Mar. 3, 



with a small shield-like convexity ; the prosepistoma is continuous 

 with the forehead in the middle and separated from it on both sides by 

 a transverse, incomplete, preocular cut. Eyes moderate; ocelli about 

 12. AutennsB short ; flagellum small, first joint three times shorter 

 than the second. Percion r first segment with the antero-median 

 tubercle hardly perceivable; coxopodites distinct on the entire 

 length of the edge of the segment (upperside), forming a thick 

 border, slightly crossed by the posterior angle of the segment. 

 Coxopodite of the second segment hardly visible as a very small, 

 dentiform processus before the leg. Pleon, telson : pleotelson flat, 

 with curved sides and rounded apex. Uropoda : basis with a large, 

 oblong processus, extending between the lateral parb of the 

 5th segment of the pleon and the pleotelson ; endopodite reaching 

 to two-thirds the length of the pleotelson ; exopodite minute, 

 placed at the top of the basal processus. Colour : brownish, with 

 small light lineolse on the pereion ; flagellum white ; uropoda 

 reddish. Dimensions ; 6 x 2t millim. 



21 a 



Fig. 11. 



nc 



21d 



(For lettering, see p. 389.) 



B^dh. St. Vincent, sugar-cane field, under decaying cane-leaves, 

 March. Leeward, lowland near sea, under stones, May ; under old 

 boards, 250 feet, September ; under rubbish, shady place, 500 feet. 



12. Mesaemadillo ebflbxus, n. sp. 



Body slightly granulated, very convex, and narrowed backward, 

 the side parts of the pereion (segments 2-7) and of the pleon 

 beading downwards. Cephalon: prosepistoma with a shield-like 



