Published Date
published 1940
[page 7]
REFERENCES
1. National Geographic
Vol. 70: 229
August 1936
2. A Wanderer Undersea
National Geographic
Vol. 62: 746-755
December 1932
3. Marine Life in Its Natural Habitat along the Florida Keys
National Geographic
Vol. 51: 56-61
January 1927
4. Life on a Coral Reef (Florida)
National Geographic
Vol. 51: 61-83
January 1927
5. Interesting Citizens of the Gulf Stream
National Geographic
Vol. 39
January 1921