250 INSECTA. 



Glomeris, Lat. 



Resembling Onisci; oval, and rolling into a ball; the body convex 

 above, and concave underneath, with a range of little scales analo- 

 gous to the lateral divisions of the Trilobites along each of its in- 

 ferior sides. It is composed, exclusive of the head, of but twelve 

 segments, the first and narrowest of which forms a sort of semicir- 

 cular transverse collar? the following and the last are the largest of 

 all; the latter is arched and rounded at the end. There are thirty- 

 four feet in the female, and thirty-two in the male, his sexual organs 

 replacing the pair that is deficient. These animals are terrestrial, 

 and live under stones in hilly places(l). 



Iulus, Lin. 



The body of the true Iuli is cylindrical and very long, and has no 

 ridge or trenchant edge on the sides of the annuli; they roll them- 

 selves up spirally. 



The larger species live on land, particularly in the woods and 

 sandy places, and diffuse a very disagreeable odour. The 

 smallest ones feed on fruit, or the roots and leaves of esculent 

 vegetables. Others are found under the bark of trees, in 

 moss, Etc. 



1. maximus, L. ; Marcgr., Bras., p. 255. Peculiar to South 

 America, and is seven inches long. 



I. sabulosus, L. ; Schaeff. Elem. Entom., lxxiii; /. fasciatus, 

 De Geer, Insect. VII, xxxvi, 9, 10; Leach, Zool. Miscell., 

 cxxxiii. About sixteen lines in length, of a blackish-brown, 

 with two reddish lines along the back; fifty-four segments, the 

 penultimate terminated by a stout point with a horny and hairy 

 extremity. Inhabits Europe. 



/. terrestris, L.; 'Geoff., Insect. II, xxii, 5. A fourth smaller; 

 bluish-cinereous, picked in with light yellowish; forty-two to 

 forty-seven segments. Inhabits Europe with the sabulosus(2). 



(1) lulus ovalis, L.; Gronov., Zooph., pi. XVII, 4, 5; Oniscus zonatus, Panz. 

 Fam. Insect. Germ., IX, xxiii; Glomeris marginata, Leach, Zool. Miscell., 

 CXXXII; Oniscus pustulatus, Fab.; Panz., lb., XXII. 



(2) See the two memoirs of Savi already quoted, and Leach, Zool. Miscell., Ill, 

 for an account of these two species and some others that inhabit England. Add 

 lulus Indus, L.; De Geer, VII, xliii, 7; Seb., Mus. II, xxiv, 4, 5; Seb., Mus. I, 

 lxxxi, 5; Schrset. , Abhandl, I, iii, 7. [Add of the American species the I. im- 

 pressus, pundatus, annulatus, ladarius, marginatus, and pusillus. Am. Ed. ] 



