searle: isopoda. 367 



ARMADTLLIDTDAE. 



Armadillidium vulgare (Latreille). 



Armadillo vulgare Latreille, Hist. nat. crust, et insectes, 1804, 7, p. 48; 

 Richardson, Bull. 54, U. S. N. M., 1905, p. 666-668. 



Locality. — Easter Island, under rocks. Thirty-one specimens. 



Cubaris murina Brandt. 



Cubaris murina Brandt, Bull. Soc. imp. nat. Moscow, 18.33, 6, p. 28. 

 Cubaris tnurinus Richardson, Bull. 54, U. S. N. M., 1905, p. 645-647. 



Localities. — Tahiti, one specimen; Nuka Hiva, in dry places under 

 stones, thirty-nine specimens. 



Spherillo testudinalis Budde-Lund.^ 



Armadillo testudinalis Budde-Lund, Crust. Isop. Tei'restria, 1885, p. 29. 

 Spherillo testudinalis Budde-Lund, Voeltzkow's Reise in Ostafrica, 1903-1905, 

 1908, 2, p. 269-270, pi. 12, fig. 17-29. 



Body ovate, convex, smooth, contractile into a ball. 



Head about four times wider than long, with the frontal margin 

 straight. Eyes large, composite, composed of eighteen ocelli and 

 placed close to the lateral margins of the head. 

 Prosepistoma plain. First pair of antennae 

 rudimentary, composed of three minute articles. 

 Second pair of antennae with the first article 

 short; the second article is about three times 

 longer than the first; the third article is about 

 as long as the second ; the fourth is about equal 

 in length to the third; the fifth is one and a 

 half times longer than the fourth. The flagellum 

 is composed of two articles, the second being 

 three times longer than the first. The antennae 

 are geniculate at the articulation of the second ' ^'^- ^^' Spheniio 



, , . , . , ,^, . , , i> 1 f> testudinalis. Second 



and third articles. Ihe inner lobe or the nrst antenna. 4i. x 

 maxillae is furnished with two plumose processes. 



The first segment of the thorax is tlie longest and is about twice as 

 long as the head. Coxopodites present and visible on the dorsal side 



i Budde-Lund places this genus in a sul)fiiniil.\ , Spherilloninac, of tlu' Oniscidae. 



