iv The American Naturalist. (Yol. XXXI, 
The Advance of Biology in 1895. C. B. DAVENPORT... <-s.. :reers serso ` 
Edward Eor Cope, Naturalist—A Chapter in the History of 
Science. T. GILL 
paoe Homotogies A’ — to es Determination of the 
of Vertebrates. C. S. MIN 
The ices gi Organic Selection. H. F. OSBORN 
The Geological Congress in Russia. C. PALACHE 
Some Unwritten History of the Naples Zoological Station 
Wind River and Bridger Beds in the Huerfano Lake Basin. H.F. 
GBORN iaie. urosta oA ahr aE r rA AET sk lO ee 
Peculiar Zonal Formations of the Great Plains. F. E. CLEMENTS 
The Cricket as a Thermometer. A. E. DOLBEAR 
EmN A Review Dedicated to the late Professor Cope. H. F. 
OSB 
Hammar’s gro Layer. E. A. ANDREWS 
A North American Freshwater Jelly Fish. E. Ports 
Observations on the Functions of the Pyloric Czeca of Asterias Vul- 
g E A. STONE. 
EDITOR’S TABLE.—Protection of Wild ee 41; Mammoth in 
Alaska, 42; Gypsy Moth, 42; Field Museum, Chicago, 42; 
Series of Lake Superior Rocks, 43; Original Research in Uni 
versities, 139; Woodrow Wilson on Science, 140; Science in 
Thoughts on Scientific Fads, 509 ; Change of Ownership of the 
American Naturalist, 699; Association of Agricultural Colleges 
and Experiment Stations, 700; The American Naturalist, 800; 
L’ Année Biologique, 802 ; Scattered Biological Data, 803 ; Amer: 
ican Journal of Physiology, 804; The Toronto Meeting of the 
British Association, 896 ; The Louisiana Society of Naturalists, 
got; Milk Supply, 971; Government Publications, 97113 ; Ac- 
43; Biological Examination of Lake Michigan, 45 ; Indiana 
Academy of Science, 46; Beal’s Grasses, 47; Brush’s Mineral- 
ogy, 48 ; Chudzinzki on Facial Muscles, 49; Bailey’s Survival 
of the Unlike, 140; Prillieux’s Diseases of Plants, 142; Camp- 
bell’s Mosses and Ferns, 143 ; Experimental Morphology, 212 ; 
Oceanic Ichthyology, 213 ; Fishes of North America, 214; Evo- 
lution or Creation, 216 ; Sudworth’s Arborescent Flora of U. S., 
310; Lehmann and Neumann’s Bakteriologie, 312; Science 
Sketches, Let ; Recent Papers on Vertebrate Paleontology, 314; 
Surface Features, Missouri Geological Survey, 419; Life in 
Ponds sey Streams, 510; Year Book of the Department of 
Agriculture for 1895, 511 ; Mack’s Popular Lectures, 511; Mar- 
tin’s Human Body, 511; Geology of Pennsylvania, 511 ; Report 
of the U, S. Fish Commission, 512; Animals at Work and Play, 
785 
