ILLUSTRATIONS xix 



117. The three-starred anglerfish 216 



118. Five-Hned constellationfish 217 



119. A Percy Crosby cartoon 220 



120. The perils of the deep . 221 



121. Section of the 1930 bathysphere 236 



122. Deck machinery of the bathysphere 236 



123. Section of the 1934 bathysphere 237 



COURTESY NOTE 



Figures i, 121, 122, 123, and End Paper drawn by John Tee- Van; 

 Figures 3, 4, and 20 drawn by George Swanson; Photograph Figures 54, 

 55, 92, and 102 by Amos Burg; Figures 31 to 44 inclusive by Jack 

 Connery; Figures 22, 2^, 24, 25, 26, and 28 by Floyd Crosby; Figures 

 91 and ^8 by Gloria Hollister; Figure ^8 by Patten Jackson; Figures 



^9> 70, 7^> 72, Jh ^3> ^4> ^^> ^7> 93' 94> 9h 9^' 97» 104, loy, and 

 106 by Helen Tee- Van; Figures 4J, 48, 4^, yo, yr, 59 to 68 inclusive, 

 73' 74' 7^ to 82 inclusive, 85, 88, 89, 99, 107, 109, in, and 112 by 

 John Tee- Van; Figures 29, 45, 46, 52, 53, 100, and 103 by Bob 

 Whitelaw. 



