Botany and Zoology. 293 
casts “y great perfection of the following parts in the structure of the 
animal :— 
worm, and called it Distoma Ca but Dr. Cobbold, who is especially 
n the science of intestinal worms, states that it is the Distoma 
: hematobium, and that the disease is the same that is well known in 
Parts degraded, 
are attributed by Mr. Lavoeat to the several cephalic segments considered 
48 vertebra.—Les Mondes, May 26. 
9%. Marine Crustaceans in freshwater lakes of Norway.—G. O. Sars 
(son of Prof, Sars) has detected in. one of the freshwater lakes of Nor- 
> & red Copepod, the salt-water species Harpacticus chelifer of Lillje- 
i the Mysis rel 
the sea, in the Post-tertiary period, and that they have 
i Gammarus (probably 
