12 FAUNA OF NEW ENGLAND. 



HYDRACHNIDAE. 



49. Atax ypsilophorus (Bonz). 



Acarus ypsilophorus Bonz, Nova acta acad. Leop. Carol, nat. 

 cur., 1783, vol. 7, p. 52, fig. "Europe." 



Hydrachna formosa Dana & ^Yhel]1ley, Amer. journ. sci., 1836, 

 vol. 30, p. 357, pi.—, fig. 1-8. "Near New Haven," Conn. 



Conn. — New Haven. 



50. Hydrachna pyriformis Dana & Whelpley. 



Dana & Whelpley, Amer. journ. sci., 1836, vol. 30, p. 358, pi. — 

 fig. 9. "Near New Haven," Conn. 



Conn. — New Haven. 



51. Hydrachna tricolor Packard. 



Packard, Amer. journ. sci., 1871, ser. 3, vol. 1, p. 108. "New 

 Haven," Conn. 



Conn. — New Haven. 



52. Thalassarachna verrillh Packard. 



Packard, Amer. journ. sci., 1871, ser. 3, vol. 1, p. 107, fig. 5. 

 "Eastport Harbor," Me. 



Me. — Eastport Harbor. 



IXODIDAE. 



53. Haemaphysalis chordeilis (Packard). 



Ixodes chordeilis Packard, 1st. ann. rept. Peabody acad. sci. 

 1869, p. 67. "Mass." 



Vt.— TaftsviUe. 

 Mass. — Salem. 



