Natural Science, vol. vii. 



Deep-Sea Deposits. 



Fig. I. Radiolarian 

 Ooze, Central Pacific, 

 4,475 fms. X 100. 



Fig. 2. Diatom Ooze, 

 Antarctic Ocean, i,goo 

 fms. X 200. 



Fig. 3. Tooth of an 

 extinct species of Car- 

 charodon. 



Fig. 4. Globigerina 

 Ooze, North Atlantic. 

 I, goo fms. X 50. 



