ter fuhfervknt to the viewing both near and diflinSl * 
Oljecls^ with the Defoription of a Natural reflecling 
Micro/cope, VII. Extra of Two Letters ^ the one to 
Dr. William Gibbons,. Fe//ow of the College of Phyfi^ 
tians, London ; the other to Mr. Nicholas Staphorft, 
Operator in Chyrynflry at Apothecaries Hall , from 
Mr. Edward Coles, giving an Account of a Red Co- 
lour .produced by Mixture of a Sulphureous Spirit^ with a 
Volai He Alkali. VIII.^ Note Communicated ly Mr Hill, 
confirming the great Age of Henry Jenkins, mention 
ned Numh. zzi, p. 165.. of thefe Tranfatlions, 
VI !L An Account of the making Pitchy Ta/^ and Oyl, ^^1 
out of a llackifh Stone in Shropftiire, Communicated ^ 
M*. Martin Ele, the Inventor of it, IX. Account 
of a Book, Marcelli Malpighii Thilofofhi & Medici 
BGnonienJis e Regia vSoc. Lond. Opera Pofthuma Fig. 
ceneis illuftrata quibus prcefxa eft ejufdem Vita a fsip' 
Jo Scripta Lond. Impenfn A. ^ J. Churchill, ad In- 
figne nigricygni in Vico Patcr-nofter-row, 1697. 
in FoL 
I. Fart of a Letter from Dr. Richardfon , 
cont dining a Relation of Subterraneous TreeSy 
Dug Hp at Youle m York/hire. 
I Have had the opportunity fincel was with you laft, 
to fee fevcral Subterraneous Trees, dug up at a 
place called Totile, about Twelve Miles below Tork ^ 
upon the Paver Humber. There are feveral Perfons 
there which are called Tryers^ who, with a long piece 
