90 
CEI 
CH A 
Ceilan. Method of catching fowl and deer in the 
Illand of Ceilan, with an account of the cin- 
namon - - Strachan 
- Some obfervations made in Ceilan Strachan 
Celandine. A letter concerning the tubes or ca 
nals that convey the yellow fap in the herb 
called Chelidonium Majus, or Celandine 
- - Leewenhoek 
Cement Waszser. An hiflorico-phyflcal obferva- 
tion of the brafs waters of Neofolis, commonly 
called Cement Wafzfer, changing iron to brafs 
- Beliui 
Center, On the finding of the center of ofcillation 
- Taylor 
— — . An account of an experiment explaining a me- 
chanical paradox, viz. that two bodies of equal 
weight, fufpended on a certain fort of balances, 
do not lofe their equilibrium, by being re- 
moved one farther from the other nearer to the 
center - - Dejagullers 
Centrifugal Force. A commentary of fome new 
obfervations to difeover whether pendulums are 
obftru&ed by any centrifugal force Polenus 
Centrifugal Bellows. See Bellows . 
Centripetal. On the laws of the centripetal forces 
- KeiU 
■ Obfervations on the phyfico-mathematical com- 
mentaries of T. Bernoulli on centripetal force 
Kelli 
Cbpphus. A defeription of the cepphus Lyfons 
Cerebellum. An observation on a fchirrus of the 
cerebellum - - Haller 
Cereus. A defeription of the Cereus Peruvianus, 
which flowered at Norimberg in 1730 
- Steigertahl 
Ceruss. A relation of the making of cerufs Vematti 
Chaffe. A way of preferving ice and fnow by 
chaffe « - Ball 
Chalk. A letter containing certain chalky tubulous 
concretions called malm - Needham 
— An account of large fubterraneous caverns in 
the chalk-hills near Norwich Arderon 
-• — Remarks upon a petrified echinus of a lingular 
kind, found on Bunnan’s land, in the parifh 
of Bovingdon in Hertfordfhire, which is a 
clay, and fuppofed to have been brought with 
the chalk dug out of a pit ia the field Parfons 
Tranf. 
Abridg. 
XXIII 1094 
— 1248 
V 2 179 
— - 181 
XXIV 1730 
— - 267 
XL 351 
VIII 645 
XXVIII 2 
IV 3S4 
XXXVII 1 25 
VI 310 
XLII 299 
VIII 250 
XXVI 174 
IV 359 
XXIX 91 
LII 135 
— 3 6 7 
XLIII 100 
XXXVI 462 
XII 93 S 
VI 2 330 
II 576 
1 139 
III 240 
XLII 634 
VIII 732 
XLV 244 
X593 
XLIX 1 55 
Chalk- 
