(Numb, a^i.) 
PHILOSOPHICAL 
TRANSACTIONS. 
For the Months of May md June, 1704. 
The C O N T E N T S. 
'L Fart of two Letters i;^^?;^ iWr Edward Lhwyd, Keeper cf ihc 
Aftmolean Repofitory in Oxford, to Mr Samud Dale tfhm^- 
tree in Effex, concerning Fo^ljus, 
II. A "Letter from Mr Samuel Dale iU^- Edward Lliwyd, . 
Keeper of the Aflimolean Repofitory in Oxford, concerning 
Harwich Cliffy and the FoJJil Shells there, 
IIL An Inftrument, for feeing the Sua, Moon or Stars, pafs the 
Meridian of any Place. Ufefulfor jfettingWatches in all parts 
of the World with the great efi exaUnefs^to correal Sun-Dyais x^io 
(ijftfi inthe dtfcovery of the Longitudes of Viaces^ By the 
Reverend Mr William Derham, F. R. 5. 
IV. A Supplement to the account of the Pediculus Pulfatorius, or 
Death.Watch, in Phi/of. Trsnf, No 271- Serving tothe^mre 
perfeS Natural Uijlory of that Infeft. By the Reverend Air 
. William Derham, E R. 5. 
V. An Extra^i of a Letter from Mr Ralph Thoresby, F. R. S. 
to Dr Nehemiah Grew, Fellow of the College of fhyficians and 
R. S, concerning a Ball voided by Stool 
VL Defe^us Lun^e Obfervatio^ die Sojh 1 2^ Decemhri^^ hahita 
prope Mercatorium Regium Londini^ a f, Hodgfon^ R. S, • 
tempore mutatino^ A. 1705. 
VIL An account of Books i, Epiftola D. Guilhelmi* Mufgrave^ 
S.R. S, ad Editorem miffa^ in qua ratio rcddiiur lihri nuper 
editi^cui titulus^ De Jrthritide Symptomica Differtatio, Autlo- 
re Guilhelmo Muf grave ^ /J. 1), Inclyti JMelicorum Londinen- 
fium Collegii^ t^" Regime Societal is Sccio^ in 8vo. 2. Speci?nen 
Lithographice Helvetica curiope^ quoLapides ex Figur at is hel- 
met ids SekQiJjimi Mri in&iji flfiuntur difcrihuntui\ a fa- 
hanne Jaeobo Scheuchzero^ M. D. Tiguri^ 17^2, 8vo. ' 0,. De 
Locis folidis fecundd Divinatio Geometrica^ in quinquc Libros 
injuria Temporum a?mjTos^ Ariflcd Sen 'wris Geometrd;. Aulhore 
Vincentio Viviani^ Magni Duels Elriirix Mathe/ziatico Frima- 
rio^ Regalk Societatis Londini S^odali, Op:>'S Conicum in 
Luce?n prolatum^ Ann. 1701. Folio. 
M m m m in m m m m I. Fsrt 
