12 



University of Michigan 



pustulosa 112, 15, 16 



pernodosa 112, 15 



prasina 112, 16 



schoolcraftensis. . .112, 16 



pyramidiata 112, 25 



quadrula 112, 14, 16 



rubiginosa 112, 5 



rubra 112. 25 



sintoxia 112, 4 



solida 112, 23 



subrotunda 112, 4 



trapezoides 112, 10 



tuberculata 112, 18 



undata 112, 6 



undulata 112, 12 



verrucosa 112, 18 



Quietula y-cauda 99, 4 



R 



Radcliffella 99, 2 



Rhinolophus 110, 5 



anderseni 110, 2 



aeqiialis 110, 2 



Rhus hirta 109, 19 



toxicodendron Ill, 29 



Rhysida celeris 97, 2, 16 



Ribautia fuhrmanni. . . .97n 2, 17 



Riccia fluitans Ill, 10 



Roccus chrysops 93, 3 



Rotundaria 112, 18, 19, 44 



Rubus strigosus 109, 19 



Rugifera 112, 38, 39, 40 



S 



Salix spp 109, 19 



Sambucus racemosa 109. 19 



Sanguinaria canadensis. .111, 25 



Sarracenia purpurea 109. 13 



Scalenaria. .112, 11, 20, 21, 27, 68 



obliquata 112, 68 



scalenia 112, 11 



scalenius 112, 10 



Scalenilla 112, 27, 68 



Schendylurus bakeri 97, 22 



coIoinl)ianiis 97, 2, 20 



labbanus 97, 2, 22 



lesnei 97, 20, 22 



perditus 97, 22 



tropicus 97, 23 



Schilbeodes gyrinus 93, 3 



Sciaena 92, 1 



sciera 92, 1 



Simula 92, 1 



thompsoni 92, 1 



vermicularis 92, 1, 2 



Sciurus carolinensis leucotis. 



109, 38 



hudsonicus loquax. . . 109, 37 

 Scolopendra ferruginea. . . .97, 4 



gigantea 97, 2, 16 



morsitans 97, 2, 16 



subspinipes 97, 2, 16 



Scolopocryptops longitarsis. . 



97, 7 



Segmentina 98, 5 



armigera. .98, 13, 14; 111, 15 



cliristyi 98;, 12, 13, 14 



crassilabris 98, 13, 14 



Simpsonaia 112, 38 



Simpsoniconcha 112, 38 



Simononaias 106, 8 



Sintoxia , 112, 5 



Siphostoma barbarae 100, 1 



Sorbus americana 109, 7 



Sorex. personatus personatus. 



109, 22 



richardsonii 109, 22 



Sphaerium acuminatum 



111,18, 39,40 



aureum 98, 15 



declive 98, 5, 15, 16 



fabale 102, 5 



occidentale Ill, 15, 40 



rhomboideum Ill, 6, 40 



solidulum Ill, 18, 39 



var Ill, 39 



sp 98, 16; 111, 18, 40 



stamineum 



98, 16; 102, 5; 111, 6, 11, 

 18, 22, 39 



var Ill, 39 



striatinum.102, 5; 111, 22,39 



sulcatum 



98, 16; 102, 5; 111, 6, 11, 

 13, 18, 40 



