Me. N.H. 



Fiona debilis 



inconstans 



Limnesia histrionica . 

 maculata . 

 undulata 



Atax ypsilophorus . . . 

 Hydrachna pyriformis . . 

 tricolor . . . 

 Thalassarachna verrillii 

 Hsemaphysalis chordeilis 



Ixodes cookei 



brunneus .... 

 Dermacentor variabilis . 



albipictus . . 



Amblyomma americanum . 

 Dermanyssus gallinae 

 Liroaspis americana . . 

 Echinomegistus wheeleri 

 Laelaps cuneifer americanus 

 Galumna emarginata . . 

 slossonae . . . 

 unimac'iilata . 

 nitidula 



persimilis . . . 

 Oribatella bidentata . . . 

 Cepheus lamellatus . . . 

 Liacarus nitidus . . . 

 Oppia montana .... 

 Oribata puritanica . . . 

 Xothrus ovivorus .... 

 Tyroglyphus farinae 



heteromorphus 

 lintneri 



Rhizoglyphus rhizophagus . 

 phylloxerae . 

 Analges pici-pubescentis 

 Cnemidocoptes mutans . . 

 Eriophyes abnormis . 



crumena . . . 

 pruni-crumena . 

 pyri .... 

 quadripedes . 

 serotinae . . 

 ulmi . 



Vt. '.Mass. 



R. I. Conn. 



