286 



INDEX. 



L. 



Page-. 



Lakes, A., cited 31 



Legumen, sp 29, 107 



Lesquereux, Leo, cited 37 



Lima 71 



utahensis 35, 71 



wacoensis 71 



Lingula subspatulata 49 



Liopistha 118 



frequens 120 



(Psilomya) conceutriea 28, 29, 48, 1 10 



(Psiloraya) clongata 35, 1 19 



(Psilomya) meeki 'J'), 4<S. 118 



Lispodesthes 1 40 



lingulifera 147 



nuptialis 147 



obscurata 148 



Loricula canadensis 49 



Lucina 97 



juvenis 29, 98 



subundata 35, 4 7, 07 



Lunatia 134 



conciuna 35, 47, 1 JJ I 



obliquata 1 34 



utahensis 135 



M. 



Mactra 120 



emmonsi 29, 39, 40, 1 2 1 



huerfanensis 29, 122 



warrenana 122 



(Cymbopbora?) utahensis 39,44,120 



Mancos, Colo., Cretaceous section 32 



Marcou, Jules, cited 30 



Meek, F. B., cited 13, 17,37 



Meek and Hay den, Cretaceous section by.. 14 

 correlation of American and European 



Cretaceous formations 50 



Melampus 162 



antiquus 41 



Melania 42 



Meretrix orbiculata .108 



tenuis 1 09 



Mesoatoma occidentals 29, 1 #9 



Minnesota, Cretaceous in 20 



Modiola 86 



ornata 88 



pedernalis 87 



tenuisculpta 49 



(Brachydontes) multilinigera..34, 39,41,44, 80 



Montana, Cretaceous in 24 



section ot Crotaceoua in Cinnabar coal 



field 24 



list of Cretaceous fossils from 24, 25 



Montana formation 18 



characteristic species of .. .' 48 



fauna of, compared with Colorado 



fauna 47 



Mortoniceraa 179 



ehosbonense 48, 51, 179 



vermiliononse ISO 



vespertinum 48, 51 



Mudge, B. P., Cretaceous in Kansas 22 



N. . 



Page. 



Natica 



bulhiformis 137 



Conciuna 134 



moreanensis 134 



obliquata 134 



rectilabrum 134 



Naticina obliqua 1 39 



N autilus 1 83 



elegans 24, 48, 50, 51 , 1 03 



texanus 163 



Nebraska, Cretaceous in 14, 21 



Nemodon suleatinus 35,91 



Neritina 127 



bannisteri 41 



bellatula 41 



carditoides 41 , 1 28 



incompta 128 



pisiformis 127 



pisuin 39, 127 



(Velatclla) patelliformis 39, 128 



Newborry, Dr. J. S., cited on Cretaceous in 



New Mexico 30. 31 



New Mexico, Cretaceous in 30 



Newton, Henry, Cretaceous in the Black 



Hills of Dakota 23 



Niobrara group 15 



correlated with Austin limestone 19,48 



correlated with the Turonian by E. D. 



Cope 51 



Niahnabotany sandstone 21 



Nucula 94 



cancellata 94 



coloradoensis 94 



planimarginata 94 



O. 



Osi rea 54 



anomioides 25, 55 



bell tplical a 48, 58 



blackii 58 



coah illensis 41 



congesta 22, 23, 26, 31, 32, 49, 55 



cortex 56 



ferdinandi 64 



1 ugubris 28, 29, 32, 48, 58 



malachitensis 28, 29, 57 



mallei formis 58 



patina 54 



prudentia 47, 54 



ratisbonensis 62 



soleniscns 3 1, 3(1, 39, 45, 47, 50 



uni forn da 59 



Pacific coast, Cretaceous format inns of 49 



ParapholaB 125, 127 



californioa 126 



sphenoideus 39, 125 



Peale, A. C., Cretaceous section in western 



Colorado, by 31,33 



Pelecypoda 54 



Pharella? 115 



dakotonsis 114 



Xioaloi 115 



