232 BulUtin Amcricd)! Mu.scmii of Xaturul Iliatury. [\o\. XXIX, 



Genus Duai'KTI.sca Meuge, 1866. 

 Tj'pus, I), socialis (Sundoviill). 



Drapetisca alteranda Chamherlin. 



Dnipcli.scd .•iocmlis Enicrton, Trans. Connecticut Acad. So., 1882, Xol. \l, 



p. 67, pi. xxi, f. 2. 

 Linyphia socialis id., Coniiuon Sjjiders, 1902, ]). 145, If. 345-347. (Xec D. 



Kocialis Sundevall.) 



D. a. Chamberlin, Canad. Entomol., 1909, Vol. XIJ, p. 368. 

 Hab.— V. S. A.: Me., X. H., Ma,s,s., X. Y. 



Genu.s Erigone Audouin, 1827. 



Typus, E. vagans Audouin. 



(Many species placed under this genus do not belong to it. For the convenience 

 of the student 1 mention every instance as it occurs. Where it is not mentioned, 

 the genus conforms to Simon's definition of it). 



Eriogone albescens Hanks, Canad. Entomol., 1898, Vol. XXX, p. 187. 



E. a. Crosby, Proc. Acad. Philadolpliia, 1905, p. 314. 

 Hab.— V, s. A.: D. C. 



Erigone altehabitans Krymrling, Spinnen Amerikas, Thoridiidse, 1886, Vol. II, 

 p. 202, pi. xviii, f. 262. (Genus uncertain.) 



Hab. — Peru: Montana di Naucho. 



Erigone amabilis Kei/serUng, Spinnen Amerikas, Theridiidff, 1886, Vol. II, p. 204, 

 pi. xviii, f. 264. (Genus uncertain.) 



Hab. — Peru: Amable Maria. 



Erigone antarctica (Simon, Bull. Soc. Zool. France, 1884, Vol. IX, p. 122, pi. iii, f. 7. 

 E. a. id., Miss. Sc. Cap Horn, 1887, p. E 11, pi. i, f. 12. 



Hab. — Is. Hoste. 



Erigone arctica {White). 



Micryphantes arcticus White, Southerland's Journal, 1850, Vol. II. 



E. a. Cambridge, Ann. & Mag. Nat. Hist., 4 ser., 1877, Vol. XX, p. 277, 



pi. viii, f. 3. 

 E. a. Sorensen, Vidensk. Medd., 1898, p. 201. 

 E. a. Strand, Fauna Arctica, 1906, Vol. IV, p. 447, fT. 1-3. 



Hah. — Greenland; Is. Cornwallis; (Spitsbergen). 



Erigone autumnalis Emerton, Trans. Connecticut Acad. Sc, 1882, Vol. VI, p. 

 38, pi. xvii, f. 8. 



E. a. Keyserling, Spinnen Amerikas, Theridiids, 1886, Vol. II, p. 171, pi. 



xvii, f. 232. 

 E. a. Emerton, Common Spiders, 1902, p. 151, ff. 366, 367. 

 E. a. Crosby, Proc. Acad. Philadelphia, 1905, p. 314. 

 Hab.— V. S. A.: Xew England, N. Y., D. C. 



