INDEX. 
H< 
Hales's, fDr. Stephen) Letter concerning Captain H. Ellis's 
Backet Sea-gauge, p. 214. 
Hallerjlein S' (Father AuguJhn) Letter from Pekin to Dr. 
Mortimer , p. 319. 
• * agronomical Obfervations made at Pekin , ex- 
tracted by Dr. Bevis, p. 37 6. 
Harrifons (Mr. John) Two Letters concerning a fmall 
Species of W alps in New England , p. 184, 186. 
Plazen (Mr. William Van) concerning the Quantity of 
Rain which fell at Leyden in 1751, p. 360. 
Hcber den’s (Dr. Thomas ) Obfervations made in going up 
the Pic of Tenertff) p. 353. 
— upon the Weather in Madeira , p. 357. 
Heats and Colds, their Influence upon the Rod of a Pen- 
dulum, p. 479. 
Henbane ( white) or Hycfcyamtis alb its, of its Effects, by 
Dr. John Stedman , p. 1 94. 
Henry’s (Dr. William') Letter concerning the Copper 
Springs in Ireland , p. 500. 
Herculaneum , the Ruins thereof related by Mr. Freeman 
at Naples , p . 13 1. 
Description of the Place, and what has been 
found in it, p. 150. 
Herijfant’s (Dr.) Experiments made with the Poifon of 
Lamas and ot Ti curias , p. 75. 
Hermaphrodite , an Account of one, by Dr. James Parfons , 
p‘ 142. 
Hernia by Rupture, having an herniary Sack, obf. by 
Monf. /* Ctf/, p. 324. 
by Dilatation, having two Sacks, p. 325. 
Hijlory of Coral; new Difcoveries relating to the fame, 
by Dr. Vitaliano Donati , f- 95- 
Hope (Dr. Thomas) concerning M. David's Method of 
couching a Catarafr, p. 530. 
Horizontal Top, invented by Mr. Serfou J deferib’d by Mr. 
James Short , p. 352. 
4 D 2 
Hu x ham 
