INDEX 



457 



Choeridium ebeninum, 208, 212, 390. 



Church Street, Evanston, 44, 48, 49. 



Circinaria concava, 143, 144, 189, 266, 267, 

 297, 303, 307, 308, 314, 339, 359, 362, 389. 



Clapp, 177, 303, 306, 308, 326, 327. 



Clark Street, Chicago, 66, 80. 



Clarke, 151, 153. 



Claypole, 142. 

 f( Clemmys insculpta, 208, 213, 394. 

 ', Clemmys percrassus, 208, 213, 394. 



Clethra alnifolia, 329, 336, 382. 



Cleveland, 199. 



Cochlicopa lubrica, 252-257, 281, 288, 303, 

 339,348,358,388. 



Coelambus cribrarius 331, 340, 392. 



Coelambus derelictus, 331, 340, 392. 



Coelambus disjectus, 331, 340, 392. 



Coelambus infernalis, 331, 340, 392. 



Collett, 127, 131, 273, 274, 276, 308, 309. 



Coleoptera wings, 59, 95, 243, 248. 



Coleman, 157-160, 161, 164, 178, 240, 327, 



328, 330, 332, 357, 401. 

 Cqi^iad fissure fauna, 210, 368. 

 Cook Co., HI., 18, 107. 

 Cooper, 135, 137, 314, 321. 

 Cope, 131, 203, 207, 311, 371, 372. 

 Corell, W. F., 300. 



Corinth, N. Y., 198. 



Corylus americana, 207, 211, 379. 



Corymbites aethiops, 170, 190, 393. 



Cox, 308-310. 



Cragin, 106. 



Crataegus, 207, 211, 380. ft 



Crataegus crusgalli, 207, 211, 380. 



Crataegus punctata, 329, 336, 380. 



Crayfish, 66. 



Crenodonta peruviana, 26, 30, 32, 34, 35, 37, 



39, 82, 87, 96, 101, 186, 193, 382. 

 Crenodonta perplicata, 273, 280, 382. 

 Crenodonta plicata, 125. 

 Crenodonta undulata, 23, 26, 29, 34, 37, 39, 



58, 60, 82, 85, 96, 101, 186, 193, 250, 280, 



329, 337, 382. 

 Cretaceous shells, 203. 

 Cristivomer nam%cush, 282, 393. 

 Cryptobium cinctum, 331, 340, 392. 

 Cryptobium de tectum, 331, 340, 392. 

 Cumberland, Md. 210. 

 Cuyahoga valley, 199. 



Cyclas, 153, 158. 



Cychrus minor, 208, 212, 391. 



Cychrus wheatleyi, 208, 212, 391. 

 Cymbiodyta exstincta, 331, 340, 392. 

 Cymindis aurora, 208, 212, 391. 

 Cymindis extorpescens, 170, 190, 391. 

 Cynomys ludovicianus, 209, 214, 396. 

 Cyprinoid, 27, 88, 100, 103. 

 Cypris, 162, 190, 296, 330, 339, 390. 



Dachnowski, 311. 



Dakota ice lobe, 117, 164. 



Dall, 149. 



Dalton, 80, 106. 



Dama laevicornis, 208. 



Dana, 171. 



Daniels, E., 354. 



Daniels, L. E., 307, 308. 



Dasypus, 373. 



Davis, C. A., 17, 72, 171, 322. 



Dawson, G. M., 279. 



Dawson, J. W., 176-179, 181, 182. 



Decodon verticillatus, 81. 



Deer, 4, 152. 



Definance Bay, 400. 



Dempster Street, Evanston, 47, 48. 



Des Moines, Iowa, 201. 



Desplaines Bay, 69. 



Desplaines Valley, 77. 



Devon Avenue, Chicago, 22, 41, 43, 44, 65, 



66, 70-72, 80-82, 87, 91, 103. 

 Dicaelus alutaceus, 208, 212, 391. 

 Dichelyma capillaceum, 334, 335, 377. 

 Dicotyles costatus, 233. 

 Didelphis virginiana, 373. 

 Dilg, C, 60. 



Dinocyon, 209, 215, 398. 

 Diptera, 133, 190, 393. 

 Dodge, 177. 



Donacia elongatula, 170, 190, 340, 393. 

 Donacia pompatica, 331, 340, 393. 

 Donacia proxima, 59, 95, 100, 190,^393. 

 Donacia stiria, 331, 340, 393. 

 Donacia styrioides, 291, 393. 

 Dover Street, Chicago, 62. 

 Dowagiac Creek, 134, 139, 140, 141. 

 Drake, 305. 



Drepanocladus aduncus, 248, 280, 377. 

 Drepanocladus fluitans, 178, 184, 228, 241, 



377. 

 Drepanocladus intermedius, 332, 335, 377. 

 Drepanocladus revolvens, 228, 241, 332, 377. 



