

Okcoceros. Hall, Pal. N. Y., I. p. 196. 



constriotuui, Hall. Newark, Beloit, Fairwater. 



CEUSTACEA. 



AsAPHUs, Brougniait. 



Earrandi, Hall, in Fost. it Whitney's Report, p. 212. Near Platteville. 

 extans, Hall, Pal. N. Y., I. p. 228. Patch Grove, Mineral Point. 



Cytherixa. 



fabulites, Conrad. Proc. Acad. Nat. So. Vol. I., p. 332. Beloit, Mineral 



Point' 

 Illjexcs. 



crassicauda, Dalman. Hall, Pal. N. Y. I. p. 229. Mineral Point, Hazel 



Green. 

 IsoTELUs, De Kay. 



gigas, De Kay. Hall, Pal N. Y, I. p. 231. Mineral Point, 



Ceraurus, Green. 



pleurexanthemus. Green. Hall, Pal. N, Y, I. p. 242. Beloit, Mineral 



Point, Patch Grove, 

 insignis, Beyrich. Hall, Pal. N. Y., II. p. 300. 



Phacops. 



Dalmani, Portlock. (P. callicephalus. Hall, Pal. N. Y., I. p. 247.) 



Patch Grove. 



BUMASTIS. 



barriensis, Murcliison. Hall, Pal. N. Y., II. p. 302. Burlington Racine, 



Co.; Milwaukee; Hartford, Washington Co. 

 Calymene, Brongniart. 



Blumenbchii, Brongniart. Hall, Pal. N. Y., II. p, 307. Milwaukee. 



Racine. 



PLANTS OF WISCONSIN. 



The vicinity of the " Great Lakes," Superior and Michigan; the elevated 

 plateau between Lake Superior and the Mississippi River ; the " pineries;'* 

 the heavily timbered land ; the "oak openings," and the prairies, may 

 each be considered as distinct botanical districts, within the State, afford- 

 ing plants peculiar to themselves, and giving great richness and variety 

 to our flora. 



Mr. Thomas Nuttall was the first botanist, so far as I can learn, who 

 visited Wisconsin. He passed Green Bay, by the Portage of the Neenali 



