94 STALK- AND SESSILE-EYED CRUSTACEA 
Sub-Tribe II. OniscorpEa. 
Asellotes, M. Edw. (part) Hist. Nat. Crust. iii, p. 137, (1840). 
Cloportides, M. Edw. Hist. Nat. Crust. iii, p. 151, (1840). 
Oniscoidea, Dana, U.S. Explor. Exped. Crust. part i, p. 713, 
(1853). 
Body usually oblong, or oblong oval, terminal segment not greatly 
developed. Posterior pair of abdominal appendages usually styliform, 
rarely obsolete, terminal or sub-terminal, (never closing over the other 
branchial appendages, as in the Jdote/d@, or large, lamellate, and 
natatorial as in the Cymothoide ). 
Family I. ARMADILLIDZ. 
Cloportides terrestres, M. Edw. (part) Hist. Nat. Crust. ii, p. 158, 
(1840). 
Armadillide, Dana, U.S, Explor. Exped. xiv, Crust. part ui, p. 715, 
(1858). 
Body oblong, regularly convex, and rounded above, closely articu- 
lated. Segments of the abdomen distinct, terminal segment small. 
Caudal appendages small, lamellate, not exserted beyond the abdomen. 
Mandibles not palpigerous. Internal antenne very small. 
Sub-Family. ARMADILLINAE. 
Armadilliens, M. Edw. Hist. Nat. Crust. ii, p, 175, (1840). 
Armadilline, Dana, U.S. Explor, Exped. xiv, Crust. part ii, p. 715, 
(1853). 
Caudal appendages visible from above, between the two last seg- 
ments of the abdomen. 
ARMADILLO. 
Armadillo, Latr. (part) Hist. Crust. et Ins. vu, p. 47, (1804) ; 
Brandt, Conspectus, p. 191, (1832); M. Edw. Hist. Nat. Crust. iu, p. 
177, (1840); Dana, U.S. Explor. Exped. xiv, Crust. part ui, p. 715, 
(1853). 
Apical joint of the lateral caudal appendages very small, inserted in 
the middle of the inner lateral margin of the enlarged basal joint. 
First segment of the body with the posterior margin straight, not 
produced backward at the infero-posterior angle. 
