ISOPODA. Ill 



seven joints. The superior subcaudal scales exhibit a range of 

 small holes(l). 



(1) Oniscus armadillo, L.; Cuv., lb., 14, 15; Oniscuscinereus, Panz.,Ib., Fascic. 

 LXII, xxii; — Oniscus variegatus, Vill., Entom., IV, xi, 16; Armadilk pustule, Des- 

 mar., Consid., XLXIX, 6; — Armadilk des boutiques, Dnmer., Diet, des Sc. Nat., 

 Ill, p. 117, a species from Italy formerly employed by the apothecaries. 



