ACARINA. 13 



IXODIDAE. 



54. Ixodes cookei Packard. 



Packard, 1st. ann. rept. Peabody acad. sci., 1869, p. 67. "Salem," 

 Mass. 



Ixodes hexagonus longis'pinosus Neumann, Mem. soc. zool. 

 France, 1901, vol. 14, p. 283. 



Me. — Skowhegan, Nom'ay. 

 Mass.— Amherst, Sherborn. "Salem. 



55. Ixodes brunneus Koch. 



Koch, Archiv f. naturgesch., 1844, jahrg. 10, bd. 1, p. 232. 

 "NoRDAMERiKA." Ubersicht. Arachn. syst., 1847, vol. 4, p. 101, 

 pi. 20, fig. 74. 



Mass.— Amherst. 



56. Dermacentor variabilis (Say). 



Ixodes variabilis Say, Journ. acad. nat. sci. Phil. 1821, vol. 2, 

 p. 77; Ed. Lee, vol. 2, p. 21. " United States." 



Dermacentor electus Koch, Archiv f. naturgesch., 1844, jahrg. 

 10, bd. 1, p. 235. Salmon & Stiles, 17th ann. rept. bur. anim. 

 indust., 1902, p. 455, pi. 88-92. 



Vt.— Bellows Falls. 



ISIass.— Nantucket, Wood's Hole. 



57. Dermacentor albipictus (Packard). 



Ixodes albipictus Packard, Guide study insects, 1869, p. 662. 

 [Nova Scotia]. 



Dermacentor variegafus Neumann, Mem, soc. zool. France, 

 1897, vol. 10, p. 367, fig. 22-24. Salmon & Stiles, 17th ann. rept. 

 bur. anim. industr., 1902, p. 452, pi. 86-87. 



N. H.— Blue Mts. 



