1893] s Contents. v 
556; A Popular Botany, 653; Two Text-Books of Physiology, 654; 
Caldenwood on Mental Evolution,654; Hawks and Owls of the United 
States, 727; Fresh Water Algae and the Desmidieae of the United 
States, 727; Gasteropoda and Cephalopoda of the New Jersey Creta- 
ceous _— 7285 smears # oe Veuetants vers ali; Report of the 
Year,1891,811; 
The ae Paleolgy aa the Liane itatacado, 811; Weider- 
sheim’s Comparative Anatomy, 892; Mill’s Diatomaceae, 892; Ken- 
nel’s Zoology, ae Iowa Geological Survey, First Annual Report for 
2,985; Correlation Papers—The Newark System, 987; Spalding’s 
Guide to the Study of Common Plants, 988; Annual Report of the 
United States Geological Survey, 1889-90, 990; The Report of the 
Death Valley Expedition, 990 ; Piersol’s Histology, 1077; First Annual 
ol for sping of the Iowa ie Rept niki Survey, 1078; The Pale- 
ozoic p of afi 1078; The Mesozoic Echinodermata of the 
de seein. 1079; The Flora a the Dakota Group, 1079; Fritsch’s 
Fauna of the faiths of Bohemia 1079 
GENERAL NOTES.— Geography and Travels.—Africa, 253, 458, 730 ; America, 
255; Asia, 257, 461; Europe, 261, 730; Polar Regions, 268, 468; 
ee 260, 466 ; The Iowa State sees ere to the West 
dies and Florida Keys, set General Not 464 
cae sald Paleontology.—On e T SPAT y ie 34; Geology of 
Northwestern Alabama, nates ; The Mesosauria of South Africa, 35; Kan 
sas Pterodactyls, 36; dies Formations of Southern ennen 
44; The Genus Hybodus, 145 ; On some Dicynodont and Other Rep- 
tilian Remains from the Elgin Sandstone, peed Cenozoic Insects, 146: 
Uplifts in the Sierras of Califo ornia, 147; w Pliocene Ruminant, 
147; A Remarkable Artiodactyle from a el River Epoch, 147 ; 
The White Clays of the Ohio Region, 148 ; Geology of Eastern Siberia, 
257 ; Geological Features of Arabia Petraea and Palestine, 267; Ver- 
tebrate Fauna of the Ordovician of Colorado, 268; The Loess in South- 
ern Russia, 269; Sources of the Texas Drift, 269; Currents of the 
North Atlantic, 375; Fins of Paleaspis americana, 375; New Re eptiles 
from the Elgin Sandstone, 376; Fossil Reptiles from the Parana, visas 
On the Systematic Position of the Genus Protogonodon, ash, Bro 
Coal and Lignite of Texas; Extinct Fauna of Mauritius, 379; The 
‘Western oman of Ecuador, 469; Devonian Fossils fm Manitoba, 
469; Jura and Trias in Taylorville, California, 470; The Post-Lara- 
mie Beds of Middle Park, Colorado, 471; Marine Pliocene Beds of the 
aea 471; The Oneonta and Chemung Formations in Eastern 
Cen New York, 558; Tertiary Insects from Colorado and Utah, 
e A Supposed New Order of Gigantic Fossils from Nebraska, 559 ; 
Mammalia from the “ Pits of Gargas,” 560; The Norian nag of Can- 
ada, 656; The Caudal Fin of Ichthyosaurian Reptiles 
sil Fishes from the Upper Lias, 657 ; Affinities of sins Se 657; 
Cretaceous Formations of Mexico, 657; On a New Musteline from the 
John Day Miocene, 658 ; The Mammals of the Deep River Beds, 659; 
- Conditions of Eraio Beneath Deep Glaciers, 662 ; The Moon’s Face, 
