JOURNAL OF MICROSCOPICAL SCIENCE. 
EXPLANATION OF PLATE V, 
Illustrating Professor Haeckel’s views on Bathybius and 
Coccoliths. 
Fig. 
1.—Myzxobrachia rhopalum, from the Atlantic Ocean, off Lanzarote, Canary 
Islands. cc, Central capsule; v7, vesicula intima, enclosed with 
numerous small reproductive cells and red oil-globules, not seen in 
the drawing, within the central capsule; ac, alveolar cells or extra- 
capsular vesicular tissue (Blasengewebe); og, extra-capsular oil- 
globules ; a, calcareous concretions. x 10. 
2.—Myzxobrachia pluteus, from the same locality; letters as in Fig. 1. 
y ¢, Rows of the ‘yellow cells,’ forming the axes of the finger-like 
processes. X 10. 
3.—Vesicula intima or Binnenblase of Myxobrachia, showing radially dis- 
posed bladder-like constrictions. x 180. 
4,—End of a process of M. pluteus, showing—a, coccospheres and cocco- 
liths ; yc, yellow cells; ps, pseudopodia. x 100. 
5.—A small cytod of Bathybius. x 700. 
