377 
Dr* Leaches Arrangement of the Crustacea^ 
Spec. 1. Glomeris pustulata, Lair. 
Habitat in Lusitanid frequens. 
Spec. 2. Glomeris marginata. 
Oniscus marginatus. Vill. JLntom. iv. 187- t. 11. f 13. 
Oniscus zonatus. Panz. Fn. Ins. Germ, ix. 25. 
Glomeris limbata. Latr. Gen. Crust, et Ins. i. 74. 
Julus oniscoides. Town. 
Stew. Elem. Nat. Hist. ii. 
Hahiiat in Europ^ sub lapidibus. 
Earn. II. JuLiDES. 
Corpus in globum baud contractile. Antenna capitis paginae su- 
pernae insertae. Oculi distincti. 
Gen. 2. Julus» 
Corpus serpentiforme, cylindricum. Antennarum articulus secun- 
dus tertio longior. 
The following species were all described from living specimens. 
The principal characters of distinctions are colour, size, and the 
form of the anal segment. The number of legs, which has been 
considered the most permanent character, is of no value, as it va- 
ries continually in the same species. 
Spec. 1. Julus sabulosus. 
J. nigro-cinereus lineis duabus dorsalibus rufescentibus, seg- 
niento ultimo mucronato, pedibus luteis. 
Julus sabulosus. Linn., Fabr., Latr. 
Long. Corp. If unc. 
Habitat in Europae sabulosis inter muscos et sub lapidibus passim. 
Corpus longitudinaliter lineolatum, lineis vix subundulatis. 
Facies flava nigro-punctulata. 
