18 NATURAL SCIENCE [JuLy 
been overlooked or forgotten. Huxley! discussed this question, and, 
while not coming to any definite conclusion on the subject, he held 
that the balance of evidence was in favour of those who maintained 
that the Globigerinae lived on the bottom of the ocean. 
During the first few months of the Challenger Expedition 
the attention of the naturalists was almost wholly taken up with the 
Fic, 1.—Hastigerina pelagica (d’Orbigny) [murrayi, Wyville Thomson] with floating 
apparatus and pseudopodia extended, as found floating on the surface. 
examination of the deep-sea organisms obtained in the trawl and 
dredge, and with the larger animals procured at the surface. When, 
however, the expedition entered the tropics I frequently observed 
Globigerinae, Orbulinae, Pulvinulinae, and Spheroidinae at the bottom 
of the glass globes into which the contents of the surface-nets were 
washed, and the attention of Wyville Thomson ‘and the other 
1 Appendix to Dayman’s Report, already cited. 
