INDEX. 25 



M!ca memhraiiacea, taken out of tumuli, Vol. IV. p. 203, 204 — its ufcs 



among the Mexicans, ib. 

 Miihlh colonies of N. America, their climate changed, Vol. I. p. 272. 

 Milh, method of preftrving. Vol. II. p. 31. 

 Miller (Peter) of Euphrata, on the time for fowing peafe. Vol. I. p. 243 — 



his defcription of a grotto at Swatara in Pennfylvania, Vol. II. p. 177. 

 Mills, an eiTential millake correfted in the theory of, Vol. III. p. 144. 



- fiu'ther obfei-vations on, Vol. III. p. 185, 319 — obfervations and cal- 

 culations concerning. Vol. IV. p. 350, &c. 



Minerals, &c. in America, obfei-vations on, Vol. \. pref. p. xi. xiil. — abundant 



in Weft Florida, 251. 

 Mineral 'waters of Briftol (Pennfylvania) aualized. Vol. I. p. 303 — in ^^hat 



difeafes recommended, 306, 31G, 313. 

 Miners, how to provide them with frclh air. Vol. II. p. 32. 

 Mijcellaneous papers. Vol. I. p. 281. 



Mifflfflppi, apparent height of its water formerly. Vol. III. p. 219. 

 Mobile bay, latitude of. Vol. J. p. 253. 



- country, great quantities of very large oifter fhells there, Vol. 

 p. 218. 



Mnift air, not unwholefomc, Vol. II. p. 21. 



Moijliirc, certain laws of, Vol. II. p 51. 



difcharged from pit-coal. Vol. II. p. 54. 



Moijlnefs of atmofphere in England and France greater than in N. America, 

 Vol. il. p. 53 to S5- 



MoUaJm fnake is a non-defcript. Vol. IV. p. 380. 



Molajfes of maple-fug.ar, agreeable. Vol. III. p. 73 — yields a fpirit, ib. 



Moon, viewed through a telefcope, to different perfons prefents a different 

 face. Vol. II. p. 38 — inverted appearances on her face, when feen 

 through the Calfegrain telefcope, accounted for, 41, 42. 



. ecllpfed and obferved. Vol. III. p. 150. 



Morel CJohn) his account of benni-feed oil. Vol. I. p. 239. 



Morgan (Dr. John) his eifay on the exprefllng of oil from fun-flower feed, 

 Vol. I. p. 235 — his communication of the medical hiftory of the red 

 bark. Vol. II. p. 28\) — his art of making anatomical preparations by 

 con'ofion, 366 — his defcription of a living fnake in a horfe's eye, and 

 of other unufual productions of animals, 383 — his account of a mot- 

 ley coloured, or pyed u.'gro girl and mulatto boy, 392. 



Mofs (Henry) a negro, turned white, Vol. IV. p. 295. 



Mcjjcs and Mitftnooms, their fexual organs determined, Vol. III. p. 204. 



Munld-hoarci, one ol the leaft refiftance and ealieft and moft certain con- 

 ftruftion defcribed. Vol. IV. p. 313. 



Mounds (Indian artificial) fome account of curious dlfcoveries made therein. 

 Vol. IV. p. 179, 181, 203, 205. 



Mountains (ivhite) of N. Hampihire defcribed — the higheft lands in N. En- 

 gland — Indian fiiperftition towards them — tlicir figure and extent ; 

 number ot their fummits uncertain — their materials and productions — 

 meteors ; why named the White Moimtains, Vol. II. p. 42 to 49. 



■- in Virginia, barometrical meafurement of thofe called the Blue 



Pvidge 



