BOOKS FOR STUDENTS OF BIOLOGY. 
MARSHALL. Microbiology. A Text-book of Microdrganisms, General 
and Applied. By various writers. Edited by CaarLes E. MarsHaLt, 
Professor of Microbiology and Director of Graduate School, Massachusetts 
Agricultural College. Discusses Morphology, Culture and Physiology 
of Microérganisms, including Nutrition and Metabolism, Physical 
Influences; Bacteriology of Dairy, Soil, Water Supplies, Sewage Disposal, 
Air, Special Manufactures, Diseases of Man, Animals and Plants. 
t Colored Plate. 128 Other Illustrations. 12mo, xxi+724 pages. 
Flexible Cloth, $2.50. 
MINOT. Embryology. A Laboratory Text-book of Embryology. By 
CHARLES S. MINOT, S. D., LL.D., Professor of Comparative Anatomy, 
Harvard University Medical School. Second Edition, Revised. With 
262 Illustrations. xiit+4o2 Pages. Cloth $3.50. 
VINAL. A Guide for Laboratory and Field Studies in Botany. By 
WILLIAM GOULD VINAL, A. M. (Harvard), Salem Normal School, Salem, 
Massachusetts. Second Edition, Revised. Square Octavo. 
Paper Covers, $.60. 
STEVENS. Plant Anatomy from the Standpoint of the Development 
and Functions of the Tissues. By Ww. C. STEVENS, m. s., Professor 
of Botany in the University of Kansas. Second Edition, Enlarged. 
152 Illustrations. 8vo; 394 pages. Cloth, $2.00. 
STOHR, Text-book of Histology. Arranged upon an Embryological 
Basis. By Dr. Freperic T. Lewis, Assistant Professor of Embryology 
at the Harvard Medical School. From the Twelfth German Edition by 
Dr. PHitir Stour, Professor of Anatomy at the University of Wurzburg. 
Sixth American Edition, Revised. 450 Illustrations, 45 in Colors. 8vo; 
443 pages. Cloth, $3.00. 
CRARY. Field Zoology, Insects and Their Near Relatives and Birds. 
By L. E. Crary, Assistant Professor of Biology and Geology, Kansas 
State Normal College, Emporia. 117 Illustrations. 1t2mo. 376 pages. 
Cloth, $1.25. 
McMURRICH. The Development of the Human Body. A Manual of 
Human Embryology. By J. PLavYrarr McMurricu, A. M., PH. D., 
Professor of Anatomy, University of Toronto: American Editor of Morris’ 
“ Text-book of Anatomy.” ‘Third Edition, Revised. 277 Illustrations. 
Octavo; 528 pages. Cloth, $3.00. 
PATTEN. The Evolution of the Vertebrates and Their Kin. By 
WILLIAM PATTEN, PH. D., Professor of Zoology, and Head of the Depart- 
ment of Biology, Dartmouth College, Hanover, N. H. With 307 Figures 
engraved especially for this book, largely from original sources. Octavo. 
Cloth, $4.50. 
P. BLAKISTON’S SON & CO., PHILADELPHIA. 
