SCIENCE 
Fripay, Aprit 12, 1912 
SINGLE COPIES, 15 CTs. 
ANNUAL SUBSCRIPTION, $5.00 
NEw SERIES 
VoL. XXXY. No. 902 
COMPARATIVE ANATOMY OF THE VERTEBRATES 
By J. S. KINGSLEY, Professor of Biology in Tufts College, Boston. 
This book is to be regarded rather as a comparative morphology of vertebrates with, here and 
there, hints at the physiological side. 
and thoroughly illustrated by original figures. 
The subject has been presented in a masterly manner 
The book contains a bibliography and about 
450 Octavo Pages and will be bound in durable cloth. Ready shortly. 
The Evolution of the Vertebrates 
By WILLIAM PATTEN, PH.D., Professor of 
Zoology and Head of the Department of Biology 
in Dartmouth College, Hanover, N. H. With 309 
Illustrations, from original sources. Square 
Octavo. Cloth, $4.50. 
Outlines of Applied Optics 
A work dealing with Optical Measurements from 
the standpoint of sensibility and precision. By 
PERLEY GILMAN NouttTina, Pu.D., Bureau of 
Standards, Washington, D. C., Formerly Assistant 
Professor of Physics, George Washington Univer- 
sity, Washington, D.C. With 73 Illustrations. 
Octavo, ix+234 pages. Cloth, $2.00. 
A Handbook to Medical Europe 
A Ready Reference Book to the Universities. 
Hospitals, Clinics, Laboratories and General Medi- 
cal Work of the rincipal Cities of Europe. By 
JAMES HENRY HONAN, M.D., Imperial Freder- 
ich Wilhelm University of Berlin, M.D.; Honor- 
ary President and Formerly Active President of 
the Anglo-American Medical Association in Berlin; 
Mitglied des Vereins fuer Innere Medicin, Deutsch- 
land; Member of the Continental Anglo-American 
Medical Association, etc. 12mo. Limp Cloth, 
Round Corners. Contains Diagrammatic maps of 
London, Paris, Berlin, Edinburgh. viii+261 
pages. Cloth, $1.50. 
Cocoa and Chocolate 
Its Chemistry and Manufacture 
A Standard Reference-work dealing with Cacao 
from its growth till manufactured into Cocoa and 
Chocolate. By R. WHympeER, London, England. 
Contains a Bibliography and Chapters upon the 
History and Mythology of Cacao. With 12 Plates 
and 19 Figures in the text. Cloth, $5.00. 
Microbiology 
Textbook for students of Agriculture and Do- 
mestic Science. By various writers. Edited by 
CHARLES E. MARSHALL, Professor of Bacteriology 
and Hygiene, Michigan Agricultural College. 
Discusses Morphology, Culture and Physiology of 
Microorganisms, including Nutrition and Meta- 
bolism, Physical Influences; Bacteriology of Dairy, 
Soil, Water Supplies, Sewage Disposal, Air, Special 
Manufactures, Diseases of Man, Animals and 
Plants. 1 Colored Plate. 128 Other Illustrations. 
12mo, xxi+724 pages. Flexible Cloth, $2.50. 
Immunity 
Methods of Immuno Diagnosis and ther— 
apy and their Practical Application 
By Dr. JULIUS CiTRON, of Berlin. Translated 
and edited by A. L. GARBAT, M.D., of New York. 
Octavo, 27 Illustrations. 2 Colored Plates. 8 
Charts. Cloth, $3.00. 
A Laboratory Manual of Physiology 
By JoHn C. HEMMETER, M.D., Philos.D., _ 
Professor in the Medical Department of the Uni- 
versity of Maryland; Consultant to the University.\~ 
Hospital, Director of the Clinical Laboratory, ete. ; 
formerly Clinical Professor of Medicine \ the/ | 
Baltimore Medical College, etc. 
An entirely new work by DR. ae 
has recently made a number of very impor 
discoveries. Illustrated. Octavo. Cloth, $2.5 
Quantitative Analysis 
Adapted for Use in the Laboratories of Schools 
and Colleges. By FRANK CLOWES, Sc.D., 
Emeritus Professor of Chemistry, University Col- 
lege, Nottingham ; and J. BERNARD COLEMAN, 
Assoo. R. C. Sci., Dublin. Professor of Chemistry, 
Southwest London Polytechnic. Ninth Edition. 
133 Illustrations. xxiv-++565 pages. Cloth, $3.50 
P. BLAKISTON’S SON & CO. 
1012 Walnut Street, 
Publishers 
PHILADELPHIA, PA. 
