142 



BULLETIN 168, UNITED STATES NATIONAL MUSEUM 



fimetaria, Folsomia, 19, 28, 33, 130. 

 V Isotoma, 19, 28. 

 M=. Podura, 28. 



fimetaria caldaria, Folsomia, 31, 131. 

 fimetaria caldaria, Isotoma, 31. 

 fimetaria dentata, Folsomia, 32. 

 finitima, Isotoma, 87, 93, 138. 

 Folsomia, 4, 6, S, 14, 17, 19. 

 anophthalma, 26. 

 Candida, 28. 



diplophthalma, 20, 27, 130. 

 elongata, 19, 21, 23, 119, 130. 

 fimentaria, 29. 

 fimetaria, 19, 28, 33, 130. 

 fimetaria caldaria, 31, 131. 

 fimetaria dentata, 32. 

 guthriei, 8, 19, 22, 130. 

 nivalis, 19, 30, 32, 131. 

 pallida, 26. 



quadrioculata, 20, 24, 28, 130. 

 sexoculata, 20, 23, 130. 

 silvestrii, 20, 130. 

 Folsomides, 6, 8, 13. 

 parvulus, 13-15. 

 parvus, 14, 129. 

 stachi, 14, 16, 129. 

 frisoni, Proisotoma, 44, 55, 134. 

 gelida, Isotoma, 87, 106, 139. 

 glauca, Isotoma, 110, HI, 113, 116, 140. 

 glauca montana, Isotoma, 113, 114. 

 grandiceps, Isotoma, 4, 88, 108, 140. 

 grisea, Isotoma, 100. 



Isotoma olivacea, 87, 100, 138. 

 griseonucha, Leucosticte, 103. 

 grisescens, Isotoma, 100. 



Isotoma olivacea, 100. 

 grisescens neglecta, Isotoma, 100. 

 guthriei, Folsomia, 8, 19, 22, 130. 



Proisotoma, 22. 

 Guthriella, 3-5, 7, 9, 33, 50. 

 antiqua, 4, 5, 34, 36, 131. 

 muskegis, 4, 5, 33, 34, 36, 131, 132. 

 vetusta, 3, 34, 35, 131. 

 Heterotoma chlorata, 110. 

 Hypogastrura, 3. 

 imrnersa, Isotoma, 03. 



Proisotoma, 44, 63, 136. 

 Impatiens pallida, 32. 

 inclinata, Isotoma, 81. 

 inopinata, Isotoma, 79. 

 Isotoma, 2-6, 10, 16, 19, 33, 38, 66, 68, 

 70, 71, 78, 87. 

 aequalis, 72, 74. 

 affinis, 100. 

 alba, 28. 



albolla, 4, 88, 95, 97, 116, 133. 

 albclla loenina, 97. 

 anglioana, 110. 

 annulata, 110. 

 aquae, 59. 

 aquatilis, 72. 

 arl)orea, 4, 81, 83, 137. 

 arborea nigra, 86, 88, 137. 

 arctica, 06. 

 aspera, 118, 140. 

 balteata, 76. 

 belfragci, 110, HI, 113. 



Isotoma besselsi(,i), 66. 



bidenticula, 21-23, 118. 119. 



bidenticulata, 68, 69. 



binoculata, 27. 



brevipenna, 56. 



brunnea, 86. 



caerulea, 110. 



caeruleatra, 104. 



capitola, 110, 111. 



catena, 112. 



cinerea, 81, 85, 98, 137. 



clavipila, 51. 



communa, 48. 



cylindrica, 110. 



denticulata, 83. 



desmarestii, 110. 



determinata, 79, 80. 



difficilis, 87, 89, 137. 



dilatata, 81. 



diplophthalma, 27. 



dubia, 79. 



ebriosa, 110. 



elongata, 21. 



eunotabilis, 87, 92, 137, 138. 



fimentaria, 28. 



fimetaria, 19, 28. 



fimetaria caldaria, 31. 



finitima, 87, 93, 138. 



gelida, 87, 106, 139. 



glauca, 110, 111, 113, 116, 140. 



glauca montana, 113, 114. 



grandiceps, 4, 88, 108, 140. 



grisea, 100. 



grisescens, 100. 



grisescens neglecta, 100. 



immersa, 63. 



inclinata, 81. 



inopinata, 79. 



janmayensis, 66. 



lacustris, 39. 



lanuginosa, 69. 



lateraria, 81. 



leonina, 97. 



litoralis, 39. 



longidens, 79. 



macnamarai, 108. 



manubriata, 23, 30. 



marLssa, 4, 87, 89, 137. 



minima, 22, 55. 



minor, 87, 94, 138. 



minuta, 38, 43, 51. 



monstrosa, 79. 



mucronata, 103. 



muskegis, 33, 36. 



neglecta, 100. 



nigra, 86. 



nigrifrons, 87, 88, 105, 139. 



nivalis, 32. 



nivea, 95, 96. 



notabilis, 93, 137. 



obsoleta, 56. 



olivacea, 88, 98, 105, 138. 



olivacea grisea, 87, 100, 138. 



olivacea grisescens, 100. 



olivacea neglecta, 88, 100, 138. 



palustris, 72, 110-112. 



palustris balteata, 76. 



