Tue American Museum Journac 
VoLUuME XV APRIL, 1915 NuMBER 4 
CONTENTS 
Cover, Voices from the Pond at the Time of Apple Blossoms 
Design from photograph of the Toad Group in the American Museum 
Portraits of John Burroughs, Naturalist and Author.......:..........6..... 146 
John Burroughs and Henry Ford 
John Burroughs with his grandchildren at Riverby 
At Woodchuck Lodge 
A Naturalist on the Bepscron River 
Posing for the sculptor, C. 8. Pietro 
Frontispiece, Marble Bust of John Burroughs by C. 8S. Pietro................. 150 
Presented to the American Museum by Mr. Henry Ford 
Fniings the: African’ Bultaloss si. 85 as ee Ge Be Cart E. Axetry 151 
One of the most dangerous big-game animals in British East Africa — A series obtained 
representing development from babyhood to old age 
The “Toad Group” in the American Museum...... Mary Cyntuta Dickerson 163 
The composite construction and interest of a group recently constructed, the fourth of the 
reptile and amphibian series under the supervision of M. C. Dickerson 
With a four-page insert in sepia from photographs of the Toad Group 
Aquarelles of our Common Woodlands................. WarrEN H. Miter 167 
Tilustrations from photographs of the Toad Group by Mr. Julius Kirschner, Museum 
bird Baths andsbrinkine Pools... oi. e.g eae: ERNEST HAROLD Baynes 176 
Illustrations from photographs by the Author 
Motion Picture Records of Indians..................... Puiny E. Gopparp 185 
Films that show the industries of the Apache Indians, for immediate comparative study of 
tribes and historical record for the future 
August Weismann, Zodlogist: an Appreciation........... Frank R. Linu 189 
Morgan’s “Heredity and Sex”; a Review................. E. G. Conkiin 194 
Note on the Crocker Land Expedition Ship............ GEORGE H. SHERWooD 195 
The *‘George B. Cluett’’ has been chartered to proceed northward to Etah July 1, to bring 
back to New York the members of the expedition who went north in 1913 on the ‘' Diana’”’ 
SEM ICES es eats Seb, cisco akties as iret SO a ate A Bee 196 
Mary Cyntuta Dickerson, Editor 
Published monthly from October to May by the American Museum of Natural History, at the 
Cosmos Press, Cambridge, Mass. Terms: one dollar and a half per year, twenty cents per copy. 
Entered as second-class matter January 12, 1907, at the Post-Office at Boston, Mass., Act of Congress, 
July 16, 1894. 
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Central Park West, New York City. 
The Journal is sent free to all members of the Museum. 
