INDEX 
(Names in italic are synonyms; figures in black-face type are numbers of page on 
which detailed descriptions appear; figures in italic denote illustrations.) 
Acteonidae 23 
Alectryonia Fischer 12 
Alectryonia carinata 
(Lamarck) 12, 30 
Alectryonia carinata Hill 12 
Anomia Muller 14 
Anomia geniculata n. sp. 14, 32 
Anomidae 14 
Area galliennei d’Orbigny 11 
galliennei var, tramitensis 
Cragin 11 
Arcidae 11 
Arthropoda 27-28 
Artica Schumacher 17 
compacta (White) 17, 42 
Barbatia Gray 11 
micronema Meek 11 
simondsi n. sp. 11, 30 
Brachyura 27-28 
Cephalopoda 24-26 
Cerithiidae 20 
Cerithium Adanson 20 
aguilerae Bose 21 
debile Zekeli 21 
haidingeri Zekeli 22 
hilli n. sp 21, 48 
schumardi n. sp 21, 48 
stantoni n. sp 20, 48 
Cinulia Gray 23 
conradi n. sp 23, 48 
pelleti n. sp. , 23, 48 
Crassatellitidae 17 
Crustacea __ 27 
Crustacean indet 27, 54 
Cylindrites Lycett 23 
whitei n. sp 23, 48 
Cytherea leonensis Conrad 18 
leonensis Hill 18 
Fistulana Bruguiere 19 
ruperti n. sp. 19, 42 
Fusidae ! 22 
Fusus Lamarck 22 
simondsi n. sp 22, 50 
texanus Shattuck 22 
Gasteropoda 20-24 
Gastrochaenidae 19 
Graptocarcinus texanus Roe 
mer 27, 54 
texanus Roemer 27 
Homomya Agassiz 15 
budaensis n. sp 15, 34, 36 
vulgaris Shattuck 16 
Inoceramous Sowerby 12 
sp. 12, 30 
Janira wrightii Shumard 13 
Meretrix Lamarck 18 
budaensis n. sp 19 
leonensis? (Conrad) 18, 42 
Modiola Lamarck 15 
austinensis n. sp. 15, 32 
Mollusca 11-26 
Mytilidae 15 
Ostreidae 12 
Ostrca carinata Roemer et al 12 
Pachymyidae 16 
Pachymya Sowerby 16 
austinensis vjar. budaensis 
n. var. 16,' 38, 40 
austinensis Shumard et al 16 
compacta White 17 
Pecten Mliller 13 
wrightii (Shumard) 13, 30 
Pectinidae 13 
Pelecypoda 11-20 
Pernidae 12 
Pholodomyacidae 15 
Pinna Linnaeus 11 
sp. 11, 30 
Pinnidae 11 
Pleurophoridae 17 
Plicatula geniculata n. sp. 15 
Ringiculidae 23 
Spondylidae 13 
Spondylus Linnaeus 13 
cragini n. sp. 13, 32 
hystrix Goldfuss -_14 
texanus n. sp. 14, 32 
Stearnsia White 17 
robinsi White 17, 42 
robinsi White 17 
Tapes Merger le von Miihl- 
feldt . 
austinensis n. sp 
Turrilites Lamarck 
brazoensis Roemer 
brazoensis Roemer 
gravesianus d’Orbigny __ 
roemeri n. sp. 
tuberculatus Bose 
Turrilitidae 
Tylostoma Sharpe 
harrisi n. sp. 
hilli n. sp. 
19 
.19, 42 
24 
.24, 52 
.24 
25 
24, 52 
25 
24 
20 
-___20, 48 
.20, 44, 46 
Veneridae 18 
Vola ( Janira ) wrightii Hill 13 
Vola wrightii Cragin 13 
Volutidae 22 
Volutilithes Swainson 22 
austinensis n. sp. 22, 50 
