B; 
Barometrica Experimenta in Montibus Helvetic, ». 344, 
p. 7.66. 
Accounts of Books : Commercium Epiftolicum 
Collinii , Szc. n. 542. p. 175. & feq. Bibliographic Ana- 
tomies Specimen per, j. Douglas , M. D. n. -343. p. 265. 
L. Ferd. Marfilii de Generatione Fungorum, n. 34^. p. 3 yo.. 
Guil. Mufgrave , Geta Britannicus, «. 546. p. 38^. G«//. 
Mufgrave, G. Fil. </e Salute. J. Petiver Botanicum 
Hortenfe IV. ». 34 y.p. 229. n. 344 />. 269. ». 346. p. 35-3. 
Linear PerfpeCtive by Dr. BrookTayior , ». 344. p. 300. 
Mechodus Incrementorum per D. B. Taylor , n. 345-. p. 339, 
Ducat us Leodienjis Topog. by M. Ralph Thoresby , 344, p. 304... 
C. 
Colours , fee Light. D. 
Diving , or the Art to live under Water, n. 349. p. 492.* 
E. 
Eclipfes, fee Aftronomy. Elephants Teeth found in Ireland , 
n. 346. p. 367. Experiments. Barometrica in Helvetia 
montibus, «. 344. />. 266. Of Light and Colours repeated, 
n. 348. & 43 S', p . 448. Of the Law of the Encreafe of 
the Magnetical Attrattion y ». 344, p. 294. Of the Motion - 
of tRg Sap in Vegetables, n. 349. p. 486. 
F. 
Flamingo or Phcenicopter , it’s Natural Hiftory, ». 35'cv. 
p. 5-23. Account of Falkftone Cliff finking, n. 349. f 469. 
Fruit- Sfe»adangerous to fwallow, 0. 349.- />. 484. 
G. 
Geometry. Vera denfitatis regula, 0. 338. p. 4?. 
Defcription and Quadrature of a kind of Foliate Curve, 
n. 3 4 S’, p . 329. Logometria five de Menfura Rationis, 
n. 338. />. y. De divifibilitate Materia, n. 339. p. 82. 
To find the Center of Percujfion in Bodies, «. 345-. />. 349. 
'Problematis y de Motu Corporuui, urgente Vi Centripeta quc - 
fit reciproceut Cubi diftantiarum a Centro, Solutio, «. 338. 
p. 3y. Solutio altera ejufdem, p. 99. Problematic 
inverfi Virium Centripetarum Solutio, n. 340. p. 9r. Pro- 
blematic olim in A&is Lipjia propofiti Solutio generalise 
». 347. p. 399. I 
A Correction of the Computation of Intere(l y fee Arith- 
metic. Inoculation of the Small Pox, n, 339, p. 72. and 
»•. 347* ?• 3?3» ‘ ' - A 
