INDEX. 



125 



Dorcatheriiun aquftticuin 46 



Douglass, Earl, papers by 11,14,19 



Drainage, changes in 21,24 



Dromocyon vorax 96 



Drummond, Mont., fauna near 106-109 



Dryptodon.. 102 



crassus 94 



Earle, Charles, and Oslwrn, II. F., paper l)y. 12 



Ectocion 102 



osbomianus 94 



Ectoconus 102 



dlf rigonus 92 



Ectog'anus 102 



gliriformis 94 



Edentata 33, 34, 3."), 40, 43, 45, 46, 52, 59, 



78, 82, 83, 85, 8(i, 87, 89, 90, 97, 102, 114, 119, 120 



Elephantidse 110,119,120 



Elephantinae 86,87 



Elephas 82,83,87 



columbi 85,86,87,88,89 



imperator 79, 83, 84, 85, 86, 87 



meridionalis 83,85 



primigenius 86, 87, 88, 89 



Elephas imperator zone, fauna of 83-84 



homotaxis of 83-84 



Elotheriidse 54, 57, 



66, 68, 69, 74, 75, 77, 104, 106, 108, 111, 113, 119 



Elotheriinae 61,63 



Elotherium. 59, 67, 69, 70, 75, 108, 119 



bathrodon 108 



calkinsi... 108 



coarctatum 104 



crassum 104,106,108 



imperator , 108 



ingens 106,108 



mortoni 106 



sp 104,108,113 



Emydidae 58 



Enhydrocyon 75,111,118 



basilatus 107 



crassidens 112 



sectorius 107 



stenocephalus 107 



Entelodon. See Elotherium. 

 Entelodontidse. See Elotheriidse. 



Entelodontinae 61 



Entomacodon angustidens 96 



minutus 96 



Entoptychus 68, 75, 110 



cavifrons 107 



crassiramis 107 



curtus 112 



formosus 112 



lambdoideus 107 



minor 107 



planifrons 107 



rostratus 107 



sperryi 107 



Eobasileidae 94, 97, 99, 102 



Eobasileus 54, 5(), 97, 102 



cornutus 99 



f urcatus 99 



galeatus 99 



pressicornis 99 



sp 99 



Page. 



Eobasileus zone, fauna of 53-54,55-57,98-100 



homotaxis of 22,53,54-55 



figures showing 23,53,56 



Eocene, distribution of, plate showing 7,60 



fauna of 33-57,91-103 



range of 100-103 



homotaxis of 33-57 



records of 26 



Eocene, basal, fauna of 33-35,91-92,100-103 



homotaxis of 33-35 



Eocene, lower, fauna of 35-50,92-95,100-103 



homotaxis of 35-50 



Eocene, middle, fauna of 43-54,95-98,100-103 



homotaxis of 43-54 



Eocene, upper, fauna of 53-57,98-103 



homotaxis of 53-57 



Eocene-Oligocene correlation, progress of 31 



Eohippus 38, 41 , 44, 45, 46, 47, 102 



angustidens 95 



borealis 95 



craspedotus 95 



cristatus 38,95 



cristonensis 95 



cuspidatus 95 



index 39,95 



m on tan us 95 



pemix 95 



resartus 95 



valid us 95 



vassaciensis 39,95 



venticolus 95 



sp 49 



Eohippus zone, homotaxis of . . . ; ,23 



Eohyus distans 94 



robustus 94 



Eolian theory, history of 27 



Eotitanops 44,45,102 



borealis 44,46,48,95 



brownianus 46,95 



Eotitanops zone, homotaxis of 23 



Epigaulus 81,119 



hatched 116 



Epihippus 102 



gracilis 99 



parvus 99 



uintensis 99 



Eporeodon 64,68,75,78,111,119 



leptacanthus 109 



longif rons 109 



major 109 



occidentalis 109 



pacificus 109 



socialis 109 



trigonocephalus 109 



sp 109,113 



E quidae ... 30, 38, 40, 41 , 46, 52, 54, 57 , 61 , 63 , 64, 66 , 67, 

 68,74,75, 76, 78, 80, 81, 83, 85,86,87,89,90,95,98, 

 99,102, 104, 106,108, 111,113, 115,117, 119, 120 



Equinse 86 



Equus 82,83,85,87,89,90 



excelsus 83,84 



stenonis 83 



Equus zone, fauna of 85,86 



homotaxis of 85 



fig ure sho wing 82 



