CHAP, i.] INTRODUCTION. 23 



surface, and when they die their shells settle to the 

 bottom. 1 



The next high authority who expressed an opinion 

 was Professor Huxley, and he was very guarded. The 

 samples procured by Capt. Dayman in the 'Cyclops,' 



FIG. 3. Orlmlina imiversa, D'ORBIGNY. Highly magnified. 



in 1857, were submitted to him for examination, and 

 in his report to the Admiralty 2 in 1858 he says : 



1 Explanations and Sailing Directions to accompany the Wind and 

 Currents Charts. By M. F. Maury, LL.D., Lieut. U.S.K, Super 

 intendent of the National Observatory. 6th Edition. Philadelphia, 

 1864. P. 299. 



2 Appendix A to Deep Sea Soundings in the North Atlantic Ocean 

 between Ireland and Newfoundland, made in H.M.S. ' Cyclops/ 

 Lieut. -Commander Joseph Dayman, in June and July 1857. Pub 

 lished by order of the Lords Commissioners of the Admiralty. 

 London, 1858. 



