INDEX. 
[Names in italic are synonyms; figures in black-face type denote pages on which species are described; 
figures in italic refer to illustrations.] 
A. 
Page. 
Actaeonella 93 
dolium 30 
Actseonidse 99-100 
Actaeonina 99-100 
maloniana sp. n 17, 99-100, 150 
Aguilera, J. G., on Mexican geology 21 
See also Castillo and Aguilera. 
Alamitos beds, correlation of 20 
Amauropsis 93 
Ammonoidea 101-109 
Anatina : 85-86 
obliquiplicata sp. n 17, 85-86, 11,2 
? pliculifera sp. n 17, 86, 142 
tosta 10, 79 
Anatinidae 85-86 
Annelida 37 
Anthozoa 34-35 
Area 50-52 
? dumbli sp. n 16, 51-52, 122 
taffiisp. n 17, 50-51, 122 
Arcidae 50-55 
Aspidoceras 109 
alamitocensis 17, 109, 16k 
Astarte 64-68 
breviacola sp. n 21, 64-65, 78, 132 
craticula sp. n 17,68,232 
excavata 66 
? isodontoides sp. n 17,67-68,132 
malonensis 17, 18, 
19, 40, 43, 44, 49, 53, 65-66, 83, 132, 13k 
microphyes 17, 21, 43, 64 
neocomiensis 66 
posticalva sp. n 17, 67, 132 
Astartidae 64-68 
Astrocoenia 34-35 
maloniana sp. n 16, 34-35, Ilk 
Aviculidse 46-48 
Berenicea 38 
maloniana sp. n 16, 38, Ilk 
microstoma 38 
tenera 38 
Bluff bed, location of 28 
See also Orbitolina limestone. 
Bluff Mesa, rocks of 32 
Bohm, G., on Coelastarte 66 
Bryozoa 38 
C. 
Cajoncito Canyon, rocks in 
Calloarca 
Caprina occiden talis 
sp 
Page. 
33 
51 
30 
31 
Castillo and Aguilera on Mexican fossils. 21,42, 
53, 72, 73, 83-85, 92,100-104, 106-107, 109 
Catorce, Sierra de, Mexico, fossils from 21 
Cephalopoda 100-109 
Cerithiidae 99 
Cerithium 99 
arcuiferum sp. n 17, 99, 150 
Chemnitzia goodellii 17,18 
Clark, W. B., acknowledgments to 22 
Clavellatae 56, 57, 61 
Coelastarte 66 
Coelenterata 34-35 
Corbula 87 
? maloniana sp. n 19, 87, US 
Costatae. . 20, 63-64 
Crassatella cornueliana 71 
Crassatellidse 69-71 
Cteno'streon proboscidea 44 
Cucullaea 52-55 
castilloi sp. n 18, 54-55, 122 
catorcensis 17, 53-54 
( Trigonarca) catorcensis 53 
gratioti 53 
terminalis 53 
? texticostata sp. n 17, 52, 122 
transpecosensis 10, 17, 52-53 
Cummins, W. F., work of 11,32 
Cycloid fish scales 17, 109 
Cyprimeriafmexicana 74-75 
Cyprina 77-79 
coteroi 17,72,77, 136 
roemeri 78 
streeruvitzii 10, 17, 78-79, 136, 138, U0 
texana 78 
{Roudairia) streeruvitzii 78 
( Venilia) ceteroi 77 
Cyprinidae 77-79 
' D. 
Delphinula 89-90 
stantoni sp. n 17,88,89-90, lkH 
Diastoporidae 38 
Dumble, E. T., fossils lent bv 12 
Eagle Mountains, location and character of . 32 
169 
