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THE FOSSIL Lag grein OF NOR PrE AMERICA. WirtnH NOTES on ogg = EUROPEAN SPE By 
Dr. SAMUEL H. Ze CUDDER, Paleontologist of the U. S. Geological Survey, in charge of the Division s 
> sil I fisacta: ith Sixty- three Plates and numerous Illustrations in t e text. Two volumes, 
oe CONTENTS —Vol. I. The Pretertiary Insects (with 35 plates). Vol. II. The Tertiary Insects (with 28 
t 
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especially amo g the Palæozoic and Mesozoic cockr aches „a cons siderable number of Taroa forms. But, 
ipti h l stud h both volumes essays on the 
penal, distribution, and seobgia sequence of the different g The term insects has been used in 
oad sense llas H p ds, or true insects. 


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MAMMALS. .—Living and Extinct. y Wirtit1am Henry Fow cer, C.B., F.R.S., D.C.L., Director 
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OUTLINES OF hg peg ge gee By HARALD poroa, Professor at the University of Copenhagen. 
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INTENT: d of Psycholog af and Body—The Conscious and the Unconscious 
irat of the iteal Mie The sychology of Cognition—The Psychology of a 
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LESSONS IN APPLIED MEFHANIOS. By James H. CorreriLL, F.R.S., and Henry Slane, R.N. 
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THE ee HYPOTHESIS. By J. Norman Lockyer, F.R.S., Corr rre spondent of the Instit 
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THE a eva OF THE er (Corvus corax sineratus). A Guide to ae sy of the Mus- 
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Comparative Medicine and Veter 
New Uniform Edition of Alfred Russel Wallace's Works. 
CONTRIBUTIONS TO THE THEORY OF NATURAL SELECTION: AND TROPICAL 
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