150 JOURNAL, OF ENTOMOLOGY AND ZOOLOGY 



II and III subequal; I one-half length of II. Ocelli — Sixteen. 

 Postantennal organ — Long, elliptical, emarginate. Claws — Two, 

 unarmed; superior curving slightly; inferior somewhat dilated 

 at base ; tenent hair present, long and simple. Furcula — Short, 

 does not reach ventral tube; manubrium, stout and thick; dentes 

 serrated and with mucrones about as long as manubrium. 

 Mucrones — Tridenticulate, long and narrow ; distal tooth almost 

 straight, tlie antedistal and proximal jiarallel and at right angles 

 to the distal tooth, proximal tootli smaller. Integinnent — 

 Sparsel}^ haired. 



Habitat: A large number of specimens were found in a 

 rotten log at the Chino swamps. Several specimens were also 

 obtained from San Bimas 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, Memoire Podurelles, p. 24, 184.3. 



Isotoma viridis, Bourlet, Memoire 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, XVIII, p. 463, 1883. Eeuter, 

 Ofv. finsk, 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 Apterygogeneam, p. 10, 

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

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

 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, 

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

 penter and Evans, Proc. r. phys. soc. Edinburgh, XIV, p. 

 246, 1899. Wahlgren, Ofv. k. vet. Akad. F6rk., LVI, p. 338, 



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

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



Isotoma ccendea Bourlet, Mem. soc. sc. agri. Arts Lilla, p. 401, 



