PRESIDENTIAL ADDRESS. 



'2\ 



TABLE I. 

 General Numerical Results. 



TABLE II. 

 Genera represented by more than one Species in the Abyssal Area. 



Total, 24 Genera and 87 Species. 



For the naturalist of to-day the most interesting feature of 

 abyssal life is not that it furnishes him with singular and 

 archaic forms, useful in his study of extinct genera ; nor the 

 beauty and rarity of the creatures living under such unusual 

 conditions. The most important characteristic of abyssal life is, 

 that it, and it alone, exhibits a fauna in which reciprocal strug 

 gle is nearly eliminated from the factors inducing variation and 



