ANTICIPATED RESULTS. 693 



problems directly connected with all his previ- 

 ous work. He believed the deeper sea would 

 show forms of life akin to animals of earlier 

 geological times, throwing new light on the 

 relation between the fossil and the living 

 world. In the letter above quoted, he even 

 named the species he expected to find most 

 prevalent in those greater depths : as, for in- 

 stance, representatives of the older forms of 

 Ganoids and Selachians ; Cephalopods, resem- 

 bling the more ancient chambered shells ; 

 Gasteropods, recalling the tertiary and creta- 

 ceous types ; and Acephala, resembling those 

 of the Jurassic and cretaceous formations. He 

 expected to find Crustaceans also, more nearly 

 approaching the ancient Trilobites than those 

 now living on the surface of the globe ; and 

 among- Radiates he looked for the older forms 



o 



of sea-urchins, star -fishes, and corals. Al- 

 though the collections brought together on 

 this cruise were rich and interesting, they 

 gave but imperfect answers to these compre- 

 hensive questions. Owing to defects in the 

 dredging apparatus, the hauls from the great- 

 est depths were lost. 



With reference to the glacial period he an- 

 ticipated still more positive results. In the 

 same letter the following passage occurs: 



