212 Miscellanies. 



braces a variety of Interesting and valuable communications, relative 

 to the Natural History, Topography, and Geography of the Cana- 

 (das I and in particular, a paper, entitled, " A Grammar of the Hu- 

 ron Language,''^ which occupies above one hundred pages of the 

 Transactions. Parts I. and II. of Vol. III. for July, 1832, contain 

 a Memoir on the Mirages of the St. Lawrence, one on the Climate 

 of Canada, a mathematical paper on parallel lines, and a communi- 

 cation on the plants of Canada. Part II. contains the continuation of 

 Mr. Sheppard'S Notes on the Plants of Lower Canada, Lt. Badde- 

 ley's Report on the Magdalen Islands, with a handsome lithographic 

 map, and a notice on the pigments of Canada. This society cannot 

 fail of receiving the high commendations which it deserves, for the 

 spirit and success with which it has thus far been conducted. 



25. Exchanges in Natural History. — M. T. D. Michahellp, Dr. 

 Med. and Phil., Munich, in Bavaria, in a letter to the Editor, dated 

 April 24, 1833, proposes to the naturalists of this country, to ex- 

 change the animals and plants of Southern and Central Europe, (par- 

 ticularly those from the Alps of Germany and Switzerland, Italy, 

 France, Dalmatia, and Albania, and their confines,) for those of 

 North America. 



Dr. M. is very desirous of these exchanges, and wishes to obtain of 

 the class mammalia, aves and amphibia, one, two, three, four, or 

 more specimens of each species; of the moUusca, only those species 

 which inhabit the land or fresh water ; of insects, only the coleoptera 

 and lepidoptera ; of plants, all, both phanerogamous and cryptoga- 

 mous. He will furnish to those who desire it a complete catalogue 

 of each class and order of his collection. 



26. Magnetic Oxide of Iron. — Copy of a letter from Thos. G. 

 Clemson, to Hez. B. Pierpont, Esq., dated Paris, May 23d, 1833. 



8ir, — Some two months since, Mr. Henry Evelyn Pierpont put 

 into my hands a specimen of a magnetic oxide of iron, having a crys- 

 tallized structure, color grayish black, and when reduced to powder, 

 of a greenish brown. It acts upon the needle, without possessing 

 evident marks of polarity. It was from Franklin County, State of 

 New York. 



As he desired, I examined the same, and the following are the 

 results, which he desired that I should forward to your address. 



The substance, when heated with muriatic acid, leaves no insolu- 

 ble residuum. 20 grammes of the ore, and 6 grammes of borax, 



