SEVENTEENTH ANNUAL REPORT. 469 



sheep, foxes, hares, squirrels, porcupines, gophers, cats, and various 

 other hosts, including man, and several kinds of birds. 



Genus Eschatocephalus ^ Frauenfeld, 1853. 



Generic diagnosis. — Ixodinm: Capitulum long. Palpi pyriform (male), claviform 

 (female). Eyes wanting. Anal groove surrounding anus in front and opening cau- 

 dad. Stigmata circular in both sexes. Dorsal and ventral irregular chitinous thick- 

 enings in the male; striae or very fine parallel grooves in the female. Legs ordinarily 

 long. 



Type species. — Eschatocephalus gradlipes — vespertilionis. 



Neumann mentions seven species of this genus, but none of them 

 appear to have been reported for North America. 



Genus Aponomma^ Neumann, 1899. 



Generic diagnosis. — Ixodinx: Eyes wanting. Base of capitulum usually pentag- 

 onal, the dorso-lateral border very short. Palpi long. Male as broad or nearly as 



1847, p. 22. [See also Canestrini, 1890, p. 500, and Railliet, 1893, p. 709, 

 assyn. of J. hexagonus. — Neumann, 1899, p. 156, as probable syn. of L reduvius 

 or I. hexagonus.'] 



1837: ? Ixodes cremUatus Koch (1837), Heft 39, figs. 5, 6.— Idem, 1844, p. 233.— Idem, 



1847, p. 22.— Canestrini & Fanzago, 1877, pp. 184, 185. [See also Neumann, 



1899, pp. 129, 132, as doubtful syn. of /. hexagonus.] 

 1861: Ixodes vulpis Pagenstecher (1861), II, p. 40, pi. i, figs. 12-13. — Conil, 1877, p. 



28. [See also Canestrini, 1890, p. 498.— Eailliet, 1893, p. 709.— Neumann, 



1899, p. 129, as syn. of I. hexagonus.] 

 1877: Ixodes erinaceus Murray, 1877, p. 190, figs. 3, p. 195 {Ixodes erinacei Audouin, 



renamed).— Dolly, 1894, p. 1000.— Osborn, 1896, p. 262. [See also Oude- 

 . . MANS, 1896, p. 191, as syn. of Ixodes ridnus, and Neumann, 1899, pp. 129, 



161 j as syn. of I. hexagonus.] 

 1880: Ixodes ridnus Linnaeus" of Megnin, 1880a, p. 129. [See also Canestrini, 



1890, p. 498.— Railliet, 1893, p. 709.— Neumann, 1899, p. 129, as syn. of 



I. hexagonus.] 



1893: " lonus hegxa Leach" of Railliet, 1893, p. 709 (misprint for /. hexagonus). 

 ^Synonymy and Bibliography. 



1853: Eschatocephalus Frauenfeld, 1853, pp. 54-58; iy^Q, gradlipes. — Marx, 1892, pp. 

 233, 234.— Morgan, 1899, pp. 136, 137. [See also Neumann, 1899, pp. 166, 

 167, 168, 172, as syn. of Hismalastor.] 



1857: Sarconissus Kolenati, 1857, pp. 21-23.— Idem (1860, p. 537); type, flavipes= 

 E. gradlipes=E. vespertilionis. — [See also Canestrini, 1890, p. 480.] 



1857: ''Hsemalastor Koch" of Kolenati, 1857, p. 23.— Neumann, 1897, p. 325.— 

 Idem, 1899, pp. 107, 108, 166-180. 



1877: ''/Sarcon?/ss?.(-s Kolenati" of Murray, 1877, p. 195.- Marx, 1892, p. 235.— Mor- 

 gan, 1899, p. 138. [See also Neumann, 1899, pp. 166, 167, 168, as syn. of 

 Hsemalastor. ] 



'^Synonymy and Bibliography. 



1877: Ophiodes Murray, 1877, pp. 203, 204; type, Gervaisii. [Not Ophiodes Wagl., 

 1841, rept.; Hart, 1852, hym.; Hincks, 1866, coel.] [See also Neumann, 

 1899, p. 180, renamed Aponomma.] 



1899: Aponomma Neumann, 1899, pp. 107, 108, 109, 180-200. lOphiodes Murray, 

 renamed.]— Salmon & Stiles, 1901, pp. 469, 470. 



