Copepods (Leptodiaptomus minutus) from Lake Simoncouche, (a) under the ice in winter (27 January 2017) and (b) in summer (18 September 2017). Photos were obtained from an inverted microscope with ...

AMONG some small organisms including a single ostracod shell, washed from a sample of clay brought to me for identification by Dr. W. A. Macfadyen, was a small tapering object about 1 3 mm. long, ...

HÆMOGLOBIN has only recently been found in free-1iving copepods. Munro Fox 1 found that certain mud-dwelling harpacticoids contained this respiratory pigment, while allied species living in moss or ...