11 



from ^Mexico and Guatemala, A', r/os.^i/pii from Southern United State?, A'. 

 nemorale from Iowa ^z: 3 n. gen., 10 n. ypp. 



* 723. vS. H. ScuDDER. Spliaragemon, — a Genus of 

 (Edipodidre; witli a Revision of the Species, p. 4GT-171. 

 [July, 1875.] 



Describes Spliaragemon, 5. BoUi, S. halleatum, S. cristatum z^ 1 n. g., 3 

 n. spp. ; synopsis of the (6) species, with synonymy and references. 



* 724. S. H. ScuDDER. A Century of Orthoptera. Dec- 

 ade III. — Acrydii (Pezotettix, Caloptenus). p. 472-178. 

 [July, 1875.] 



Describes Pezotettix oUvacea, P. aculipennis, Caloptenus pondei'osus, C. 

 rohustus, C. devorator, C. deleior, C. Jielluo, C. glauclpes, all from Texas; 

 describes C. fascia/us and C. minor from Nebraska; in all ^ 10 n. spp. 



* 725. S. H. ScuDDER. Revision of two American genera 

 of (Edipodidie. p. 478-485. [July, 1875.] 



Describes Encoptolophus, E. parvus from Texas, TragocepliaJa brevlpen- 

 nls from California, T. cuhensls from Cuba== 1 n. g., 3 n. spp.; enumerates 

 3 spp. of Encoptolophus and 4 spp. of Tragocephala, with synopses and 

 synonymy; dimorphism and geograjahical variations of T. vlrhlifasclata = 

 vlrglnlana -\- infuscafa. 



* 72t3. T. Thorell. Notice of some Spiders from Labra 

 dor. p. 490-504. [July, Aug., 1875.] 



Enumerates 10 species identified, with descriptive and geographica 

 notes; describes' Epelra Packardll, Lhiypltla Emertonli, Cluhlona frlgkhda 

 Gnaphosa brumalls, Lijcosa furclfera, L. fuscida, L. lahradorensls ^ 7 

 n. spp. 



* 727. J. H. Emerton. On the Structure of the Palpal 

 Organs of Male Spiders, p. 505-507, fig. 1-2. [Aug., 1875.] 



Notices the contents of some previous writings upon the subject; figures 

 the organs as seen in Mygale and Epeira, and describes these and others. 



* 728. S. H. ScuDDER. A Century of Orthoptera. Dec- 

 ade IV.— -Acrydii. p. 510-517. [Aug., 1875.] 



Describes Ckloealtls brunnea, Amblytropidia subliyallna, GompJ/ocerus vlr- 

 gatus, Vsoioessa, Ps. texana, Ps. ferruglnea, Ps. macidipennls, ArpJiia sim- 

 plex, A. conspei'sa, A. luteola, from Texas; describes Phlibostroma, P/;. . 

 plctum from Nebraska; in all 2 n. g., 10 n. spp. 



* 729. The Proc. Bost. Soc. Nat. Hist., vol. xviii,, con- 

 tain the following, and Nos. 730 to 744. 



a. Custodian's Report on the Collection of Insects [statement of ac- 

 cessions and of work done] (by A. Hyatt), pp. 6, 12-14, 339. b. Vanessa 

 cardui probably indigenous to the American continent (by S. H. Scudder) ; 

 not found in the Hawaiian Islands and probablv not in Tahiti in 1840 (by 



