THE CANADIAN ENTOMOLOGIST. 273 



\\. fasclata Say. (!) Podura fasciata Say, Journ. Acad. Nat. Sci., 

 Philad., II., (1821) p. 12 ; LeConte Edition, II., p. 8; Degeeria 

 fasciata Lubbock, Monog. Collem. and Thysan. (1873), p. 166; 

 lo-fasciata Pack., Syn. Thysan. Essex Co. (1873), p. 40; Ento- 

 mobrya multifasciata TuUb. Brooks, Journ. Linn. Soc. — Zool., 

 XVII., p. 275. Maine, Mass., N. Y., Ohio, Tenn., Texas, Georgia, 

 East Florida. 



42. griseo-olivata Packard. (!) Degeeria griseo-olivata Pack., Syn. 



Thysan. Essex Co. (1873), p. 39 ; Entomobrya griseo oHvata, 

 Brooks, Journ. Linn, Soc.-Zool., XVII., p. 281. Mass., N. Y. 



43. perpulchra Packard. (!) Degeeria perpulchra Pack., Syn. Thysan. 



Essex Co. (1873), p. 38; Entomobrya perpulchra Brooks, Journ. 

 Linn. Soc. — Zool., XVII., p. 281. Texas. 



44. purpurascens Packard. (!) Degeeria purpurascens Pack., Syn. Thy- 



san. Essex Co. (1873), P- 39 '1 Entomobrya purpurascens Brooks, 

 Journ. Linn. Soc. — Zool., XVII., p. 282. Maine, Mass., Tenn. 



Genus Isotoma, Bourlet. 



45. albella Packard. (!) Syn. Thysan. Essex Co. (1873), p. 32. Maine, 



Mass., N. Y. 



46. Belfragei Packard, ibid., p. ■t^i- Texas. 



47. Besselsii Packard. Amer. Nat. (1877), pp. 51, 52, foot-note. 



Polaris Bay. 



48. bidenticulata Tullburg. Collembola borealia (1876), p. 35, Tab. X., 



figs. 17 and 18. Greenland, Northern Europe. 



49. fimetaria Linnaeus. Podura fimetaria Linn., Syst. Nat., Ed. X., P. I., 



p. 609; Isotoma fimetaria Tullb., Sv. Podur., p. 48; Collembola 

 borealia (1876), p. 37. Greenland, Siberia. 



50. glauca Packard. (!) Syn. Thysan. Essex Co. (1873), p. n. Mass., 



Ohio. 



51. leonina Packard. (!) ibid., p. 32. Mass., N. Y. 



52. nivalis Packard. (!) ibid., p. 31. Maine, Mass. 



