493 



ISOPODA. 



NORM ALIA. 



ONISCIDJR. 



ARMADILLO VULGARIS. 



Specific character. Elliptical, very convex, upper surface delicately punc- 

 tured ; of a dark leaden or steel-grey colour, with paler spots, and with the 

 hind margins of the segments generally pale. Second joint of outer an- 

 tennae with the tip dilated at its outside. Uropoda with the outer division 

 broad, short, exactly filling the space between the sides of the terminal and 

 penultimate segments of the pleon. 



Length, about half to two-thirds of an inch. 



Oniscus armadillo. 

 Armadillo vulgaris. 



LINNAEUS, Syst. Nat. ii. p. 1062. 

 LATREILLE, Hist. Nat. Crust, et Ins. vii. 



p. 48. Genera Crust, et Ins. i. p. 70. 



LEACH, Edinb. Encycl. vii. p. 406. 



Trans. Linn. Soc. xi. p. 376. Suppl. 



Enc. Brit. i. p. 429. SAMOUKLLE, Ent. 



Compend. p. 112. DESMAREST, Cons. 



Crust, p. 325. WHITE, Cat. Brit. Crust. 



p. 73. Pop. Hist. Brit. Crust, p. 238. 



