JOURNAL OF MICROSCOPICAL SCIENCE. 



DESCRIPTION OF PLATE IV, 



Illustrating Prof. Huxley's paper on Organisms from Great 

 Depths in the North Atlantic Ocean 



Fig. 



1. — Masses of the gelatinous substance. 



2. — DiscolifM from Atlantic mud. 



3. — ,, from the chalk of Sussex. 



4. — Cyatholithi from the Atlantic mud. 



5. — ,, from the chalk of Sussex. 



6. — Coccospheres of the compact type. 



7.— „ of the loose type. 



8. — A crucigerous disk from Atlantic mud. 



All the figures are drawn to the same scale, and are supposed to be 

 magnified 1200 diameters. 



