150 JOURNAL, OF ENTOMOLOGY AND ZOOLOGY 



II and III siil)e(inal ; I oiio-lialf U'ii,i>tli of 11. Ocelli — Sixteen. 

 Postantennal origan — Loni>', elliptical, eiiiar.n'iiiate. (Maws — Two, 

 unarmed; snpei-ior ciirvin<>' slii>litly; inferior somewhat dilated 

 at base; tenent hair ))resen1, loni;' and simi)le. Fnrcnia — Short, 

 does not reach ventral tnl)e ; manubrium, stout and thick; dentes 

 serrated and with nmcrones about as loni^' as manubrium. 

 Mucrones — Tridenticulate, long- and narrow; distal tooth almost 

 straight, the antedistal and i)roximal parallel and at right angles 

 to tlie distal tooth, proximal tooth smaller. Integument — 

 Sparsely haired. 



II(il)itat: A large number of specimens were found in a 

 rotten log at the Chino swam|)s. Several specimens were also 

 obtained from San I)imas Canyon. Guthrie found his in the 

 greenhouse of the University of Minnesota under moist boxes, 

 and outdoors under stones and damp boards. 



Isotoma viridis Bour. 



Podura viridis Bourlet, Menu)ire Podurelles, p. 24, 1843. 



Isotoma viridis, Bourlet, Momoire Sco. Sc. Agri. arto. Lille. 

 Pt. 1, p. 401, 1839. Gervais, in Walckenaer, Hist. nat. ins. 

 Apt., Ill, p. 433, 1844. Lubbock, Mon. Coll. and Thys., p. 

 169, 1873. Parona, Laggio Catalogo Pod. Ital., p. 42, 1878; 

 Ann. Mus. civ. st. nat. Genova, XVITI, p. 463, 1883. Renter, 

 Ofv. tinsk, vet. soc. fork., XXXIII, p. 229, 1891. Schott, K. 

 sven. vet. Akad. hand., XXV, no. 11, pp. 59-61, 1894. Dalla 

 Torre, Die Hattungen und Arten der xVpterygogeneam, p. 10, 

 1895. Renter, Acta. Soc. Fauna Flora fenn., XI, pp. 25-26, 

 1895. MacGillivray, Can. ent., XXVIII, p. 58, 1896. Schaffer, 

 Mitt. Naturk. Mus. Hamburg, XIII, pp. 184-186. Lie Petter- 

 sen, Bergens Mus. Aarb., No. 8, p. 17, 1897; ibid., no. 6, p. 12, 



1898. Meinert, Videnak. Med. Naturk. Foren. Kjobenhaon, 

 1). 169, 1897. Scherbakof, zool. Anz., XXI, p. 88, 1898. Car- 

 penter and Fvans, Proc. r. phys. soc. Fdinlnirgh, XIV, ]). 

 246, 1899. Wahlgren, Ofv. k. ^'et. Akad. Fcn-k., LVT, i^. 338, 



1899. Kieffer, Berl. ent. Zeits., XLV, hft. 1-2, ]). 113, 1900. 

 Schaffer fauna, Artica. 1, lief. 2, ]>. 245, 1900. Guthrie, 1903. 



IsofoDia (■(cndea Bourlet, jMem. soc. sc. agri. Arts Lilla, ]). 401, 



