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, Norway. 

 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. 



Mass. — Nantucket, Wood's Hole. 



57. Dermacentor albipictus (Packard). 



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

 [Nova Scotia]. 



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

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

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



N. H.— Blue Mts. • 



