INDEX. 
171 
Page. 
Mule Canyon, fossils from 11 
Myidse 87 
Mytilidae 48 
Mytilus 48 
af er 48 
decussatus 48 
eduliformis 48 
nuntiussp.n 48,78, 122 
subloevis 48 
N. 
Natiea 93-95 
arguta 94 
bilabiata sp. n 17, 95, 150 
Hnlayensis sp. n 18, 94-95, 150 
inflecta sp. n 17, 18, 93, 94, 1.50 
pedernalis 29 
prsegrandis 29 
williamsi sp. n 17, 88, 90, 93, 94, 150 
Naticidse 93-95 
Nautiloidea 100-101 
Nautilus 100-101 
burkarti 18,100,1.5-4 
naufragus sp. n 18, 100-101, 15k, 156 
Neithea texana 31 
Neocene rocks, erosion of 13-14 
occurrence of 13-14 
Nerinea 96-98 
circumvoluta sp. n 17,97-98,152 
goodellii sp. n 17, 19, 38, 96-97, 98, 152 
goodhallii 97 
Nerineidse 96-98 
Nerinella 98 
stantoni sp. n 17, 18, 98, 15% 
Nerita 90-91 
chromatica 91 
finlayensis sp. n 18, 90-91, IkS 
nodiliriata sp. n .... 17, 88, 90, 91, 93, 99, 150 
neumay ri 91 
peroblata sp. n 17, 91, lh8 
zitteli 91 
Neritidse 90-91 
Neumayr and Uhlig, on Neocomian fossils. . 20 
Nodosaria texana 27, 31 
Nuculidse 55 
O. 
Olcostephanus 103 
malonianus sp. n 17, 103, 158 
portlandicus 103 
potosina 103, 108 
Oppelia 101-103 
? fallax 17, 19, 101-10*2, 15k 
waageni 102 
Orbitolina limestone, occurrence and char- 
acter of 28-29, 32-33 
Orbitolina texana 28, 29, 31 
Ostrea 29, 31, 39-40 
sp 16, 39 
Ostreidse , . . 39-43 
P. 
Pandora ? sequtvalvis 71 
Pecten 26, 44 
insutus 16,18,19,42, 118 
(Camptonectes) insutus 44-46 
Page. 
Pectinidse 44-46 
Pelecypoda 39-88 
Perisphinctes 20, 21, 26, 103-108 
aguilerai sp. n 19, 105, 166 
balderus 21, 108 
clarki sp. n 18,19,103-105,166 
contiguus 106 
felixi 17, 106-107, 156 
haliarchus 104 
inconditus 108 
kokeni 105,106 
lictor 104 
mazapilensis 21 
polygyratus 104 
potosinus 17, 105-106, 156 
schucherti sp. n. . . 17, 18, 107-10S, 160, 162, 16k 
Pholadidse 87-88 
Pholadomya 79-82 
Candida 80 
dumbli 80 
glabra 80 
marcoui sp. n .17, 19, 80-81, lk2 
paucicosta ? 17, 18, 81 , U2 
prseposita sp. n 17,82, lk2 
ragsdalei 70 
tosta sp. n 17, 79-80, U0 
Pholadomyidse 79-85 
Phylloceras 102 
Pinna 49-50 
quadrifrons sp. n. 16,18, 19, 26, 36, 42, 49-50, lk2 
Pinnidse 49-50 
Placenticeras. 101, 102 
fallax 101 
Pleuromya 82-85 
inconstans 11 , 17-19, 25, 
26, 36, 40, 42, 48-49, 72, 82-84, Ikk, U6 
var. curta var. n 17,19, 84-85, U6, U8 
peregrina 84 
Pleurotomaria 88 
circumtrunca sp. n 17, 48, 88, 89, 99, U8 
Pleurotomariidse 88 
Plicatula 43 
incongrua 31 
sportella sp. n 16,43, 116 
Porites astreoides 34 
Pseudomelania 95-96 
goodellii sp. n 95-96, 152 
Pseudo-Quadratse 57 
Ptychomya 16, 69-71 
agassizii 71 
buchiana 70 
complicata 69-70 
dcedalea 70 
germani 70 
koeneui 69-70 
neocomiensis 70 
ragsdalei 70 
robinaldina 70 
solita 70 
stantoni sp. n 17,69-71, 13k 
zitteli 19, 70 
sp 70 
Pycnodont tooth 17, 109 
Pygurus 36 
sp 18, 36 
Pyramidellida; 1 95-96 
