Bull. U. S. F. C. 1895. Soutces of Marine Food. (To face page 358.) 
Plate 65. 
Tli is plate illustrates organisms very abundantly found in common sea water that has stood a few days in an 
open, shallow dish, a, Acineta with embryo budding off : b, resting .spores of Alga, with bacteria; c, Chil- 
odon; d, small Navicula; e, Cocconeis: f, larger species of Navicula; g, heliozoan, with two entrapped 
infusoria ; h, germinating Alga cells ; i, small colony of bacteria in zooglea stage, with small flagellate 
infusoria near by ; k, flagellate infusorian : m, infusorian, Mesodinium ; n, ciliate infusorian ; v, Vorticella, 
with small portion of its stalk. Magnified 1,000 diameters. 
