VOL. XXXII, No. 374” FEBRUARY, 1898 
Z; 
i 
Here 
THE 
AMERICAN 
NATURALIS 1 
A MONTHLY JOURNAL 
DEVOTED TO THE NATURAL SCIENCES 
IN THEIR WIDEST SENSE 
CONTENTS 
The Significance of Certain Changes in the ge tgs 
Region of the Primitive Reptilia . - + EC. CASE 
Manasseh Cutler . . : a JAMES ELLIS HUMPHREY 
The Wings of Insects. II. . . . J. H. COMSTOCK and J. G. NEEDHAM 
The Daily and Seasonal Activity ofa Hive of Bees . . . F. C. KENYON 
The 
First Annual Meeting of the ee for Plant Mor- 
phology and Physiology . . ` ERWIN F. SMITH 
e Characteristics of the Foothill Vegetation of West- 
ern Nebraska . . CHARLES E. BESSEY 
Briefer Articles: Jdid Buds on taa of Drosera ee heart A Ape 
Grout — Notes on the Fossil Mammalia of Europe: by Char: 
Editorials: A New Biological Journal — cae Names — rsa Tech- 
Reviews of 
nique — The Society for Plant Moipholingy and Physiology. 
0 Literature: General Biology, The Rôle of Water in Growth, 
The Capacity for Regulation in the Development of Organisms, Determination 
of Sex in Plants, Plankton Studies — BS Cell Lineage, Early Stages in 
the Development of Mois Zoology at Johns Hopkins — Botany, Botanical 
Observations on the Azores, The Flora of British India, Miss Eastwood’s 
Studies, Pittonia, Cell par Conas? The Septate Leaves of Dicotyledonous 
Plants, Phot sarman 2 ee ns of Asparageæ, New Barty Nympheas, Flora 
of Africa, Proprietary R in Science — Paleontology, Harris’s Catalogue of 
Australasian Tertiary Ps feet at Petrography, California Eruptive Rocks, 
Rocks of Castle Mountain, Mont. 
X. Scientific News. 
XI. Books Received. 
BOSTON, U.S.A. 
GINN & COMPANY, PUBLISHERS 
9-13 TREMONT 5 
New York 
Chicago Lonãon 
70 Fifth Avenue ; 378-388 Wabash Avenue 37 Bedford Street, Strand 
