XVI 



CONTENTS. 



DireUions for piUting up Seeds and Plants, fo as to prefcrve them in aftate of Veg€^ 

 talion^ for king Irartjporled fo drftant countries. p. ^'^q, 



An Attempt to account for the Change of Climate, which has been ohjcrved in the 

 Middle Colonics in Norih-ylvicrica. By ITughWilliamson. Af, D. p 



^ 3?S^ 



CONTENTS of Sect. III. 



An Account of the Eruption of Mouiit Vefuvius, in 1 767^' in a Letter from an Eng^ 

 lifh Gentlonan refiding at Naflcs. ;^a John Mokgan, M. D. Prof, Med. ColL 

 Philadelphia, • P' SA'^i 



A Defcription of a Scf -moving or Se n t i n e l Rii g 1 s te k ; invented by Mr, W i l- 

 LiAM Henkv, oJ Lamcafer^ in Pennfylvania, p, ggo 



An Account of a Machine for pumping VeJJcls at Sea without the Labour of Men^ 

 By Mr. Richard Wells. p^ qcq 



An AhfhraH offundry Papers and Propofals for improving the Inland Navigation 

 of Pennfylvania a,nd Maryland^ by opening a Communication between the Tide- 



Waters af Delaware and Chefapeak-Bay, itlujlrated with a Map^ &c, 

 A Defcription of a Machine for cutting Files, 



C O N T E N T S of Sect. IV. 



t' 357 



r 



An Analyfis of the Chalybeate Waters of Briftol, in Pennfylvania; in two Txitcrs 



from Dr, John De Normandie of Briflol, to Z)r. Thomas Bond of Phila~ 



delphia, V.P, of the American Philafophical Society. p, 368 



Remarkable Cafe of a Tetanos and Loxked Jaw cured by amazing (Quantities 

 of Opium; by i)r. Archibald GhOsn^K^ of Antigua; communicated by Joim 

 Morgan, M. D. Prof, Phyfic, ColL Philadelphia, p, ^yg 



An Account of the EffeBs of the Strammonium, or Thorn Apple. By Benjamin 



Rush, M. D. Prof, Chym^Coll. Philadelphia, p, 384 



An Enquiry into the Nature, Caufe apd Cure of the Angina Suffocati va, or 

 Sore Throat Difcwper. By Samuel Barb, M, D, Prof, Phyfic, King's ColL 

 Nezv-York; communicated by John Morgan, M, D, Prof ' Phyfic,'' College 

 Philadelphia, ' ' p^ i^%% 



An Account of an Aurora Borealis, from a Correfpondcnt at Lancafler, in Penn- 

 fylvania, p, 404 

 An Account of a Horizontal Wind-Mill, by Mr. Thomas Gilpin. 405 

 An Account of a new Species of Grape Vines, by Mr, John JoneSj at Indian 

 Riyer^ Worcefler County^ Maryland, p, 406 



rMi 



^ 



y 



PREFACE 



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