THE CANADIAN ENTOMOLOGIST. 275 



san. (1873), p. 183 ; Isotoma humicola Packard, Syn. Thysan. 

 Essex Co. (1873), p. 35 i Xenylla humicola TuUberg, Collembola 

 borealia, (1876) p. 38. Norway, Sweden, Greenland. 



65. maritima, O. Fabr. Podura maritima O. Fabricius, Fauna Groen- 



landica ; Xenylla maritima Tullberg, Skand. Podur af underfam. 

 Lip. (1869), p. II j Sveriges Poduridea, (1872), p. 52, Tab. 

 XL, figs. 7, 8 ; Lubbock, Monog. CoUem. and Thysan., p. 187. 

 Greenland, Sweden. 



Genus Podura, Linnteus. 



66. aquaiica Linnaeus. Podura aquatica Linn., Syst. Nat. Ed., X., p. 



609 ; Hypogastrura aquatica Bourlet, Mem. Soc. Roy. Lille (1839). 

 p. 31; Podura aquatica Lubbock, Monog. CoUem. and Thysan, 

 (1873), P- i85> P^- 42 ; Tullberg, Sveriges Podurider, p. 50, Tab. 

 X., figs. 1-6 ; Packard, Syn. Thysan. Essex Co. (1873), p. 35. 

 Greenland, Europe. 



Family LIPURID^, Lubbock. 

 Genus Lipura, Burmeister, 



67. antbiilans Linnaeus. (!) Podura ambulans Linn., Syst. Nat. Ed., X., 



P. I, p. 609 ; Lipura ambulans Burm., Hand. d. Entom. (1838), 

 B. II., p. 447 ; Lubbock, Monog. CoUem. and Thysan. (1873), p. 

 189, pi. 43; Tullberg, Sveriges Podurider (1871), p. 55, Tab. 

 XL, figs. 16-29 > Packard, Syn. Thysan. Essex Co. (1873), p 29. 

 New York, Ohio, D. C. 



68. arinai a TuWhtrg. Skand. Podur. of. underfam. Lip. (1869), p. 18; 



Collembola borealia, p. 39. Greenland. 



69. fimetaria Linnaeus.(!) Podura fimetaria Linn., Sys. Nat. Ed., X., 



P. I., p. 609; Lipura fimetaria Burm., Hand. d. Ent. (1838)3 

 Lubbock, Monog. Collem. and Thysan, (1873), p. 191., pi. 46; 

 Packard, Syn. Thysan. Essex Co. (1873), P- 28; Lintner, Second 

 Rept. N. Y. Entom.p., 208. Mass., N. Y., D. C, Ohio. 



70. Groenlandica Tullberg. Collembola borealia (1876), p. 41, Tab. 



XL, figs. 57 and 58. Greenland, Spitzbergen. 



