Foreign Literature and Science. 373 



doos ; 4. Homo Scythicus — the Scythians ; 5. Homo Sini- 

 cus-the Chinese. Secondly, those smooth haired men which 

 are common to the old and new world, as 6. Homo Hyper- 

 boreus — the Laplanders ; 7. Homo Neptunianus — the Ma- 

 lays and New-Zealanders ; 8. Homo Australasius — the 

 New-Hollanders. Thirdly, the straight haired men which 

 are peculiar to the new world, as 9. Homo Columbicus — 

 the Carribees ; 10. Homo Americanus — the Americans ; 

 and 11. Homo Patagonicus — the Patagonians. The sec- 

 ond section he designates by the name of Ouloitrichi, or 

 crisped haired men ; usually called negroes. The white va- 

 rieties of this tribe are not known ; 1 2. Homo Oethiopicus — 

 the Ethiopians; 13. Homo Cafer — the Cafre ; 14. Homo 

 Melaninus — the Cochin Chinese; and 15. Homo Hotten- 

 tottus — the Hottentots. — Ann. Phil. 



8. A new mode of preparing paper for draughtsmen, fyc. 

 — Reduce to a powder, and dissolve quickly in a glazed 

 earthen vessel, containing cold water, some gum tragacanth, 

 having been well worked with a wooden spatula, to free it 

 from lumps. There must be a sufficient quantity of water, 

 to give to this diluted gum the consistence of a jelly. Paper, 

 and some sorts of stuffs upon which this composition is 

 smoothly applied, with a pencil or a brush, and dried before 

 a gentle fire, will receive either water or oil colors ; in using 

 water colors they must be mixed with a solution of the 

 above gum. This cloth or paper so prepared, will take 

 any color except ink. When it is intended to retouch any 

 particular part of the drawing, it should be marked with a 

 sponge or clean linen, or a pencil, (containing some of the 

 above mentioned liquid ;) if the part is only small, it will 

 then rise quickly, and appear as if repainted. — Frank. Jour. 



9. Formation of metallic copper by water and fire. — In 

 making cement copper in Germany, plates of solid copper 

 are obtained, and also reguline copper in the fibrous, capil- 

 lary, dentiform, reniform, and botryoid external shapes ; and 

 in the smelting of some sulphurets of copper, fibrous, lamel- 

 lar, and crystallized pure copper is formed. — Edin. Phil. Jour. 



10. On the poison of the common Toad. — The following 

 is an abstract of Dr. Davy's paper on this subject, lately 

 read before the Royal Society. 



