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THE 
AMERICAN 
NATURALIST 
A MONTHLY JOURNAL 
DEVOTED TO THE NATURAL SCIENCES 
IN THEIR WIDEST SENSE. 
MANAGING EDITORS: 
Prors. E. D. COPE, Philadelphia, AND J. S.. KINGSLEY, Tufts College, College Hill, Mass. 
ASSOCIATE ee : 
Dr. C. O. WHITMAN, Chicago Dr. C. E, B 
ProF. C. M. WEED, Durham, X. TE Pror. W. S. BA 
seh Linco 
C.-M ae Philadelphia. 
ND 
, Neb., P 
EY, ia igor Pror, E. A 
Wi 
PROF. W. H. iee Madison, 
No. 338 _ 
Vol. XXIX. FEBRUARY, 1895. 
CONTENES. 
PAGE, PAGE, 
THE PHILOSOPHY OF FLOWER SEASONS, AND THE 
P E ENTO- 
MOPHILOUS FLORA A THE ANTHOPHILOUS 
Insect Fauna. (Illustrated.) 
Ch 
INSANITY IN RoYAL FAMILIES. A STUDY IN 
Herepity. Alice Bodington. . ... . . 118 
THE SIGNIFICANCE OF ANOMALIES, 
Thomas. Dwight, M. D., LL. D. 130 
EGStOR’S TABLÈE = * ¿186 
RECENT LITERATURE—The Mesozoic Echinoder- 
mata of the United States—Tertiary Rhyn- 
_ chophorous Coleoptera of the United States 
-—The Fishes of Pennsylvania. . 188 
RECENT BOOKS AND PAMPHLETS. 
es GENERAL NoTES 
Geography äna Travels—An Expedition to ~ 
zabrador. 
- 140 
inindlagiy — Minerals fess the Chromite 
- Deposits of Lower Silicia—Artificial Repro- 
` duction of Anhydrite from Evaporation of 
- Balt Solutions—Artificial Crystals of Zine Ox- 
- ide—Artificial esd SAES in phien 
Glass—New M - 148 
Petrography A of POS Teland, ban 
_ Francisco Bay—A New en Macnee 
mite Trachytes from Montana—P Fraa 
arles Robertson. 9T 
- | Mounds in Chira Valley, Peru—The Neande 
Geology—Meunier on Meteorites—The Ori- 
gin of Bitumens—Changes in Ore Deposi 
Dean on Coprolites—New Molluscan Forms 
from the Dakota Formation—Glacial Lakes in 
Western New York—Geological News, Gen- 
eral — Archean—Paleozoic— Mesozoic — Ceno- 
e San 
Bot sanity Sills Systematic “Polny of North g 
America—Botanical Ne ' 
Zoology—The Influence of shaped Taine ge 
ment on Mollusea—The genus Leptophidium 
—The Habitat of the Salamander Linguelapsus 
annulatus—The White Headed Eagle in North- 
ern Ohio—The Paludicola—Mexican Glires 
Zoological ete Satna —Pisces—R ptili 
thal Man in die we a 
i a New ‘Method « of 
Microtome (Illustrated.) 
PROCEEDINGS OF SETI, Societies.. 
Screntiric News. r.n `: 
' Notes—New Books. 
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