
Se v 
TGSS 
~ Cretaceous Invertebrata and 
ee Vertebrata 
. Dakota, Nebraska, and Wyomir s 
rrera Cope, Marsh, Leidy, and Meek. 
Placenticeras, Nautilus, Scaphites, 
Baculites, Teredo, Turtles, Teeth 
and Skulls of the Titanotherium, 
Oreodon, Mesohippus, Acerathe- 
| rium, Hyracodon, Elotherium, Car- 
|: nivora, etc. 


Green River Fossil Fish; fifty varieties Fossil Leaves of Dakota Group 
named by Lesquereux. Black Hills Minerals in large variety. Jndian Relics, 
both ancient and modern. Large stock of everything. Send for illustrated 
catalogue with prices. Wholesale and Retail. Colleges, large collectors, 
amateurs, museums, and dealers supplied. 
L: W. STILWELL, 
DEADWOOD, SOUTH DAKOTA. 
~ Mention AMERICAN NATURALIST. 
WANTED. = pak uake of thé 
Naturauist. November 83, April 
and December ’85, October, November and 
December 787, all or part of ‘77. 
Twenty-five cents will be paid for the 
Index to Vol. XII, which was issued with the 
January number of Vol. XIII. 
Persons having any or all of these for 
sale will please write us, stating price at 
which they hold them. | 
FERRIS BROS, | eee 


