ME 
NATU 
RICAN 
RALIST 
A MONTHLY JOURNAL 
DEVOTED TO THE NATURAL SCIENCES 
IN THEIR WIDEST SENSE. 
AGING EDITOR 
MA 
Prors. E. D. COPE, anini; AND J.' S. KINGSL EY, Boston. 
ae Ass 
Dr. C. 0. WHITMAN, Chicago, E. 
Pror. C. M. WEED, Durham, N. H., W; 
iW. : 
C 
Tui. 
OCIATE EDITORS: 
m: ISSEY, 
. C. MERCER, Ph 
Pos E. A. ANDREWS, B 
Lincoln, Neb., 
. BAYLEY, Waterville; Maine, 
HOBBS, Madison, Wis. 
SEPTEMBER, 1894. 
CONTENTS. 
P 
UBTERRANEAN FAUNA OF 
E. Tite pean OF THE 
: S naa ied. ) 
H- AMERICA, 
SOUS sp ceps : 
THE NUMERICAL INTENÁUÉY OF F 
riasauru 
eep River 
_ Beds—Von Ihring on pA Fishes = Pune 
“nls of Rio Grande do Sul. 
of North 
ntary 
—The Lignites of Bros va MU 
en Cre taceous Fossi ils from the Black Hil 
T DEN Time iñ- | 
AGE. 
of Dakota—Lower Eocene "Mamm als 
| Lyons, a pence CHOR TOM "o Pales 
| Mesozo 
f edd xy m thel aryæ ip $ 
: lepta and Pyrochro oa. (Illustrated. 
| Sere and nd amoto Gallen 
i ow 
| in 
ing of | Secti 
cohol—A api Meth « 
: Vsectont ning. je 
| SCIEN ENTIFIC News. 
v . ^ 
PHILADELPHIA, Ü RAS . 
