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NEW YORK STATE MUSEUM 



Panorpa communis Linn., the common scorpion-fly. 

 Panorpa maculosa Hagen, the spotted scorpion-fly. 

 Panorpa nematogaster McLachl, a Java scorpion-fly. 

 Panorpa rufescens Ramb., the rufescent scorpion-fly. 

 Boreus brumalis Fitch, the mid- winter Boreus. 

 Boreus nivoriundus Fitch, the snow-born Boreus. 



PsEUDONEUROPTERA. 



Capnia pygmsea (Burnt.), the small snow-fly. 



Nemoura nivalis Fitch, the large snow-fly. The shad-fly. 



Clothilia pulsatoria Linn., the death-watch. 



Atropos divinatoria ( 0. Fabr.) s the divining Atropos. 



Psocus sp? from Bucculatrix. 



Psocus venosus Burm. 



Hexagenia bilineata (Say). 



Ephemera natata Walker. 



Ephemera sp.?, a May-fly. 



Caenis nigra Hagen MS. 



Thysanura. 



Campodea fragilis Meinert. 



Smynthurus hortensis Fitch, the garden-flea. 



Achorutes purpurescens (Lubbock). 



Schoturus nivicola (Fitch), " the snow-flea." 



Aphorura armata Tullberg. 



Anurida maritima Guorin. 



Arachnida. 



Tetranychus telarius (Linn.), the red-spider. 



Trombidium locustarum Riley, the locust mite. 



Bryobia pratensis Garman, the clover mite. 



Dermanyssus avium Buges, the chicken-louse. 



Gamasus obovatus Lintner, associated with Julus in potatoes. 



Uropoda Americana Riley, the Colorado potato beetle mite. 



Ixodes bovis Riley, the cattle tick. 



Tyroglyphus Lintneri Osborn, a tomato-infesting mite. 



Tyroglyphus longior ( Gervais), a mite in smoked meat. 



Tyroglyphus phylloxerse (Flan.- Riley), the phylloxera mite. 



Tyroglyphus siro (Linn.), the cheese mite. 



Rhizoglyphus rostroserratus (Megnin), a mushroom mite. 



Heteropus ventricosus Newport, the ventricose mite. 



