University of Michigan 



Margaritana holstonia 



112, 33, 36 



raveneliana 112, 39 



Marmota monax canadensis. 



109, 35 



Martes americanus american- 



us 109, 27 



pennantii pennantii. .109, 27 

 Mastacembelus goro....95, 1, 3 



sclateri 95, 3 



Medionidus conradicus 



112, 57, 58 



plateolus 112, 58 



Megalestes , 96j 6 



Megalonaias 106, 6 



gigantea 112, 7, 8, 12, 13 



heros 112, 8 



Megapodagrion .96, 8 



Melania subularis 91, 2 



Melanoplus bivittatus. . .109, 37 



Mephitus hudsonica 109, 28 



Mesonaias 106, 19 



Micromya ceelata 112, 56 



Microsorex hoyi 109, 24 



M i c r o t u s pennsylvanicus 



pennsylvanicus. . . .109, 32 



aiiraverellia 106, 58, 60 



Mitella diphylla Ill, 24 



Musculium jayense 98, 16 



pusillum Ill, 18, 20, 40 



rosaceum Ill, 7, 18, 40 



ryckholti 98, 16 



secure Ill, 7, 15, 40 



sp 98, 16 



transversum 98, 16 



truncatum.98, 16; 111, 15, 40 

 Mustela cicognanii cicognanii 



109, 28 



vison letifera 109, 28 



Mya complanata 112, 30 



Myotis formosus 110, 3, 4 



rufo-niger 110, 4 



lucifugus lucifugus. .109, 25 



rufo-pictus 110, 3, 4 



Myrica asplenifolia Ill, 25 



gale 109, 13 



Myriophyllum spicr,tum 



Ill, 9, 14. .23 



Napaeozapus 109, 17 



insignis fructeclanus. . . . 

 109, 34 



Neosorex palustris palustris 



109, 23 



Nephronaias. ..106, 7, 8; 112, 47 

 pectorosa 112, 49 



Newportia 97, 9, 10 



amazonica 97, 10 



diag-raiiinia 97, 2, 7 



ernsti 97, 9 



lasia 97, 2, 10 



longitarsis 97, 1, 7 



parra 97, 2, 12 



unguifer 97, 2, 9 



Xewportides 97, 2, 9, 10 



Notiphilides maximiliana. . . . 



97, 2, 17 



Notiphilus maximiliana. . .97, 17 



Nycteris borealis borealis . . . 



109, 26 



cinerea 109, 26 



Nymphaea advena.109, 7; 111, 9 







Obliquaria 112, 14, 43 



bullata 112, 15 



cuprea 112, 30, 31 



cyphya 112, 19 



depressa 112, 51, 52 



ellipsaria..ll2, 25, 41, 51, 52 



tfasciolaris 112, 42 



flava 112, 5 



flexuosa 11 2. 65, 70, 71 



bullata 112, 15 



inter rupta 112, 51. 66 



lateralis 112, 21, 22, 25 



lineolata 112, 51, 52 



metanevra 112, 14, 17 



nodulata 112, 17 



obliquata 112, 68, 69 



pusilla 112, 32 



quadrula 112, 14, 16 



reflexa 112, 42, 43 



retusa 112, 15 



