Published Date
published 1940
[page 8]
6. Shell Book (p. III)
Julia Rogers
Doubleday, Doran and Co.,
Garden City, N. Y. 1937
7. Florida Sea Shell (pp. 68-70)
Aldrich and Snyder
Houghton Mifflin Co., N. Y. 1936
8. Certain Citizens of the Warm Sea
National Geographic
January 1932
9. Exploring Neptune's Hidden World of Vivid Color
National Geographic
September 1909
10. Glass Bottom Boat
National Geographic (pp. 761-788)
September 1909
11. Treasure House of the Gulf Stream:
The Completion and Opening of the
New Aquarium, Miami
National Geographic
Vol. 39