SEVENTEENTH ANNUAL REPORT. 



457 



Genus H^maphysalis ^ Koch, 1844. 



Generic diagnosis. 2— Jjf;odm;g: Eyes absent. Base of capitulum rectangular, 

 twice as broad as long. Palpi conical, second article with strong conical latero-basal 

 projection. Stigmal plate circular or in short comma. Anal shields of male absent. 

 Coxse I not bifide; coxse IV of normal dimensions in male. 

 Teguments of uniform color, brownish. 



Type species. — Hsemaphy sails concinna. 



Fig. 219.— Capitulum of male Hxmaphysalis 

 concinna: ventral and dorsal view of right 

 half. X 65. After Neumann, 1897, p. 339, 

 fig. 4. 



Fig. 220.— Digit of 

 left maxilla of 

 same. X 230. 

 After Neumann, 

 1897, p. 340, fig. 5. 



Fig. 221.— Hypostome of same. 

 X 210. After Neumann, 1897, 

 p. 340, fig. 6. 



Neumann mentions two North American species, H. leporis-palustris 

 and H. concinna^ neither of which appears to have been reported for 

 cattle. 



^Synonymy and Bibliography. 



1844: Hsemaphysalis Koch, 1844, p. 237. — Idem, 1847, p. 239. — Fuestenberg, 1861, 

 p. 208.— Murray, -1877, p. 199.— Canestrini & Fanzago, 1877, pp. 178, 186, 

 188-190.— Cambridge, 1889, p. 406.— Canestrini, 1890, pp. 476, 481,483,484, 

 485, 486, 487, 488, 490, 491, 493, 523-526.— Idem, 1892, p. 581.— Marx, 1892, 

 pp. 233, 236.— Trouessart, 1892, p. 47.— Railliet, 1893, pp. 714, 715.— Neu- 

 mann, 1897, pp. 325, 326-359.— Morgan, 1899, p. 139.— Ward, 1900a, p. 

 200.— Salmon & Stiles, 1901, pp. 456-458. [See also Curtice, 1891a, p. 317, 

 and 1891b, p. 685.] 



1844: Rhipistoma Koch, 1844, p. 239. — Idem, 1847, p. 27. — Furstenberg, 1861, p. 



208.— Canestrini, 1890, pp. 483, 486.— Marx, 1892, pp. 233, 236; type, 



LeachiL [See also Neumann, 1897, p. 326, as syn. of Hsemaphysalis.'] 

 1888: GonixodesD'UGm, 1888, pp. 129-133; type, rostralis — H. leporis-palustris. [See 



also Canestrini, 1890, p. 485.— Marx, 1892, p. 236. —Neumann, 1897, 



p. 326.] 



1897: Ojois^/iocZon Canestrini, 1897, p. 468; type, cuscohius. [See also Neumann, 1897, 



p. 326, as syn. of Hsemaphysalis.^ 

 1899: " GonixidesDnges'' of Morgan, 1899, p. 139. 



2 Neumann (1897 ) suppresses Opisthodon as synonym of Hsemaphysalis. While not 

 acquainted with any species of Opisthodon, the characters attributed to this genus 

 would indicate to our minds that it is entitled to subgeneric rank, possibly to generic 

 rank. 



