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AMERICAN 
ATURALIST 
A MONTHLY. JOURNAL 
DEVOTED TO THE NATURAL SCIENCES 
IN THEIR WIDEST SENSE. 
` -MANAGING EDITORS: 
Prors. E. D. COPE anp, J. 5. KINGSLEY, 
POTA 
THOMAS WILSON, 
Pror. E. A, ANDREWS. 
ASSOCIATE EDITORS: 
Dr. C. E. BESSEY 
E. EY, 
Pror. W. S- BAYLEY, 
FEBRUARY, 1893. 
CONTENTS. 
White River Epoch gorse le White Clays 
Reg ecologie ws, General— 
j 89 i of the Obio ion—G 
a Apion E come m a 
_ AMONG THE INVERTEBRATA, 
, Benjamin Sharp 
ANTS. C EA 98 
ENEO O or CH. Zoology.—The Cercaria Stage of Amihai 1 
perpen 105. —Fecundation’ of the Eggs of Clinus argentatus— — 
EST. garir S RIVER, Preliminary Desëriptions New Fishes from the — 
eae Fee BD OR RED (Llus-., | Neg ple oT Larynx of Batrachia—The ete 
fo a , phiu: New Spade-Foot from Texas - 
HE Asc i kinta P ag Caste J- The Pedal Skeleton of the Dorking” ak 
‘ONYX. (Dust iie $ | AF 
DITORIALS, eet : 3 “Hey Fei i $ Obora ns ! OIE — Pxpetimental Embryology- Studies 
—The M e. ‘Law of Priori rity in Nomenclature =~ stokes Embryology 
ie a: fit a 34 (  bgalome arienk S wali Cothectben of Calsopters’ : 
Sa A ae h Mountains of British Columbia—A 
from the "Hig 
~ 137 “liar Seed-Like Gase-Worm from the Gran 
; ey of T iz i Seas Ii 7 Si 
TOES: of the. Ua! ited gaa Age, Operated Upon for Double Congenital Cataract 
: j Archaolegy and Ethnology: —Area. and Popula- 
of "~ 
| {tion of European cone es—The Pr gn noes 
oy Bape Head. . 
“| Mimi: —On the ERE p oh Chee Acid 
rA erke 
|; PROCEEDINGS OF p ScHENTIFIC Socrenies. : oe 
SCIENTIFIC News fs a Be ee hee 
