474 



LIFE OF THE PLEISTOCENE 



1 



Trowbridge, 172, 353. 



Tuohy Avenue, Chicago, 45, 46. 



Turner Park, Chicago, 106. 



Turtles, 236, 243, 394. 



Two Creeks, Wis., 76. 



Two Rivers, Wis., 75, 105. 



Typha, 108. 



Typha latifolia, 27, 81, 91, 101, 178, 184, 



378. 

 Tyrell, 278. 



208, 325, 341, 

 214, 226, 243, 



Ubly outlet, 112. 



Udden, 175, 209, 210, 231, 253, 255, 256, 257, 



271,287,288,292,297,301. 

 Ulmus, 241, 380. 

 Ulmus americana, 329, 336, 380. 

 Ulmus racemosa, 329, 336, 280. 

 Unio, 2, 3, 10, 11, 59, 61, 122, 123, 125, 126, 



136, 140, 143-145, 158, 159, 166, 180, 



203, 226, 235-237, 249, 257. 

 Unio alatoides, 204, 212. 

 Unio alatus, 204, 206. 

 Unio anodontoides, 204, 206. 

 Unio Cariosoides, 205, 212. 

 Unio cariosus, 205. 

 Unio complanatus, 204, 205. 

 Unio complanatus quadrilaterus, 206. 

 Unio dariensis, 206. 

 Unio gibbosus, 11. 

 Unio humerosoides, 204, 212. 

 Unio jayensis, 206. 

 Unio ligamentina, 206. 

 Unio ligamentoides, 204, 212. 

 Unio nasutoides, 205, 212. 

 Unio nasutus, 205, 206. 

 Unio petrosus, 313. 

 Unio praeanodontoides, 204, 212. 

 Unio radiatoides, 204, 212. 

 Unio radiatus, 204, 205, 206. 

 Unio rectoides, 212, 214. 

 Unio rectus, 204, 206. 

 Unio roanokensis, 205. 

 Unio roanokoides, 205, 212. 

 Unio saxulum, 314. 

 Unio subrotundoides, 204, 212. 

 Unio subrotundus, 214. 

 Unio terrenus, 314. 

 Unio tumulatus, 313. 

 Upham, 8, 75, 117, 164, 165, 167, 177, 198, 



262, 320, 366, 373, 399. 



/ /flUrocyon cinereoargentatus, 



360, 398. 

 / ^(Ursus americanus, 154, 208 



315, 397. 

 /JVtUrsus floridanus, 316, 341, 374, 397. 

 Utica, 111., 82. 



Vaccinium oxycoccus, 170, 186, 382. 

 Vaccinium uliginosum, 170, 186, 329, 332, 



336, 382. 

 Vallisneria, 178. 



Vallisneria spiralis, 178, 184, 278, 380, 378. 

 Valparaiso moraine, 57, 59, 61, 69. 

 Valvata, 2, 6, 150, 153, 179, 274. 

 Valvata bicarinata, 98, 124, 125, 188, 225, 



242, 253, 386. 

 Valvata bicarinata normalis, 98. 

 Valvata bicarinata perdepressa, 55, 81, 90, 



98, 188, 253, 330, 338, 386. 

 Valvata lewisii, 98, 126, 127, 188, 253, 262, 



281, 386. 

 Valvata obtusa, 81, 158, 188, 386. 

 Valvata piscinalis, 158. 

 Valvata sincera, 119, 127, 128, 136, 139, 145, 



149, 155-159, 161, 188, 253, 261, 262, 281, 



289, 330, 338, 386. 

 Valvata striata, 127. 

 Valvata tricarinata, 17, 23-27, 29, 30, 33, 35, 



39, 42, 56, 60, 72, 81, 87-92, 94, 95, 98, 



102, 119, 124-127, 133, 134, 138-145, 149, 



157-159, 161, 162, 163, 166, 179, 188, 210, 



225, 232, 236, 237, 242, 260, 262, 264, 266, 



278, 281, 289, 295, 307, 308, 324, 330, 



332, 338, 386. 

 Valvata tricarinata confusa, 58, 8i 



188, 386. 

 Valvata tricarinata ecarinata, 278. 

 Valvata tricarinata infracarinata, 



386. 

 Valvata tricarinata simplex, 58, 8: 



386. 

 Valvata tricarinata unicarinata, 54, 58, 73, 



88, 98, 188, 386. 

 Vallonia, 269. 

 Vallonia costata, 236, 242, 255, 296, 338, 353, 



358, 370, 388. 

 Vallonia cyclophorella, 306, 308, 338, 388. 

 Vallonia gracilicosta, 172, 189, 226, 242, 252- 



259, 256, 266, 267, 281, 288, 297, 338, 



347, 348, 351, 358, 361, 362, 388. 

 Vallonia minuta, 267, 308. 



, 98, 138, 



168, 188, 

 , 98, 188, 



