1896.] TERRESTRIAL ISOPOD CRUSTACEANS, 391 
sides of the pleon depressed; processus of the fifth segment 
widening at the apex. Pleotelson longer than wide, smooth ; sides 
feebly curved; apex one-third narrower than the basis. Uropoda 
nearly straight ; endopodite extending to two-thirds the length of 
the pleotelson ; exopodite very small, placed near the middle of the 
internal edge of the basis (upperside), Colour: dark grey, with 
a narrow light longitudinal line in the middle of the pereion, and 
light lineolz on both sides. Dimensions: 9 x 44 millim. 
Hab. St. Vincent, Chateaubelais, August. One example. 
3. ARMADILLO DUMOROUM, n. sp. 
Fig. 3. 
(For lettering, see p. 389.) 
Body very convex, nearly smooth. Cephalon: prosepistoma 
nearly plain, fore edge straight. Eyes large; about 20 ocelli. 
Antenne very short; first joint of flagellum twice as short as the 
second. Pereion: first segment with a blunt antero-median 
tubercle; lateral edges raised on the fore part; coxopodite 
separated by a cleft extending to the third hind part of the 
segment (underside). Second segment with a square coxopodite, 
distinct on its total length (underside). Pleon, telson: pleotelson 
quite as long as wide ; sides curved ; apex one-third narrower than 
the basis. Uropoda: basis wide, oblique; endopodite extending 
to one-third the length of the pleotelson; exopodite very small, 
placed near the middle of the internal edge of the basis (upper- 
side). Colour: dark grey or brown, with light dots and lineole 
on both sides of the median line (pereion). Dimensions: 8 x3 
millim. 
Hab. Mustique Island, found by beating brush. 
