STANDARD ZOOLOGICAL BOOKS 
BEEBE’S The Bird. By C. W. Breese, Curator of Ornithology 
in the New York Zoological Park. (American Nature 
Series.) $3.50 net. 
HERTWIG’S Manual of Zoology. Translated by J. S. 
KINGSLEY. $3.00. j 
JORDAN’S Fishes. By Davip STARR JORDAN. New one- 
volume edition with 67 1 illustrations and 18 colored plates. 
(American Nature Sentes: ) $6.00 net. 
KELLOGG’S American Insects. New Epirion. By VER- 
NON L. KELtocc. (American Nature Series.) $5.00 net. 
New Students’? Edition, $4.00. 
—— Darwinism To-day. By V. L. KELLOGG. $2.00 net. 
KINGSLEY ’S Vertebrate Zoology. By J.S. KrNcsLEy. $3.00. 
KNOWLTON’S Birds of the World. By Frank H. Know1- 
TON, Ph.D., United States National Museum, with chapter 
on the Anatomy of Birds by FREDERICK A. Lucas, Chiet 
Curator, Brooklyn Academy of Arts and Sciences. Edited 
by Ropert RIDGWAY, Curator of Birds, United States 
National Museum. 2 volumes, large $8vo. Illustrated 
with colored plates, and several hundred text cuts. (Amert- 
can Nature Series.) [In press.] 
LANKESTER’S Extinct Animals. By E. Ray LANKESTER, 
Director of the Natural History Departments of the British 
Museum. $1.75 met. 
LOCY’S Biology and its Makers. By Wutiam A. Locy, 
Professor in Northwestern University. $2.75 met. 
McMURRICH’S Text-book of Invertebrate Morphology. By 
J. P. McMurricH. $3.00. 
MONTGOMERY ’S Analysis of Racial Descent in Animals. 
3y THomAs H. MONTGOMERY, Jr., Professor in the Univer- 
sity of Pennsylvania. $2.50 net. 
REIGHARD & JENNINGS’S Anatomy of the Cat. By 
JAcoB REIGHARD, Professor in the U niversity of Michigan, an d 
H. S. JENNINGS, Professor in Johns Hopkins University. $4.00. 
VERNON’S Variations in Animals and Plants. By H. M. 
VERNON, M.D., Fellow of Magdalen College, Oxford. 
$1.75 net. 
HENRY HOLISAND: GOw aia watasn Aven Chicace 
