666 
HOX 
HUG 
Hoxton, Walter. An account of an unufualagi- 
ta ion in the magnetical needle, obferved tc 
laft fome time in a voyage from Maryland 
The variation of the magnetic needle as ob> 
ferved in three voyages from London to Mary- 
land - 
Huber, ■■ — . Epiftola de cadavere aperto in quc 
non exflitit vefica fellea ; et de ftreno gibbofc 
Hubner Martin. An account of lome obferva- 
tions relating to the produ&ion of the Terra 
Tripolitana, or Tripoli 
Hubdart. Joseph. An account of perfons who 
could not diftinguifli colours 
Hudson, William. Catalogue of fifty plants from 
Chelfea Garden, 1766 
— — 1768 - » • 
•— — - * 1769 - - 
Hugens, Christian. Hopes given of his making 
fome improvements in optic-glafles 
— - An obfervation on Saturn, Aug. 17, 1668, at 
Paris - 
Summary account of the laws of motion 
Inftru&ions concerning the ufe of pendulum 
watches for finding the longitude at fea, to- 
gether with a method of a journal for fucb 
watches 
V — Difcourfe concerning the caufe of halo’s and 
pareik’s 
— — Obfervations on the appearance of Saturn’s 
ring in 1670 
—— Letter on fo ne obfervations made at Paris on 
Saturn’s ring 
Art attempt to render the caufe of that odd 
phenomenon of the quickfilver remaining 
fufpend'ed far above the ufual height in the 
Torricellian experiment 
Letters between him and M. Slufius, about an 
optic problem 
His thoughts of Mr. Hooke’s obfervations fo, 
proving the motion of the earth 
Account of very exaff and portative watches 
Experiments on the air pump 
Experiments made on the air pump upon plants, 
together with a way of taking exhaufled re- 
ceivers away from off the faid engine 
Tranf. 
Abridg. 
XXXVII S 3 
VI 2 304 
XLI 171 
VIII 744 
XLVI 92 
XI 972 
LI 186 
LXVII 260 
LVII 47 o 
LVIII227 
LIX 384 
LX 541 
I 98 
I 193 
IV 900 
— 92 5 
— 365 
— * 46O 
“ 937 
V 1065 
I 547. 
555 
II 185, 
189 
— 2093 
I 366 
VI 3026 
— 
vir 5027 
VIII 6119 
6139 
II 23 
I 172 
— 1 74 
IX 90 
X 272 
— 443 
— 4 % 
II 239 
— 477 
— 205 
Hugen * 9 
