INDEX. 
Cocoon , or Silk pod, account of a particular fpecies thereof 
from America — — — Page 54 
Cohf/ton (eledrical) concerning it — 359 
concerning the force of it — 390 
Coin (Sidonian) account of one — 637 
(Parthian) conjedures on an inedited one — 680 
. (Samnite-Etrufean) fome obfervations upon one never 
before fully explained — — — 853 
Cold fufion, the received opinion thereof uncertain 294 
Cold ('artificial) how produced — — — 670 
Colebrooke (Mr. Jofiah ) his experiments concerning the 
encauftic painting of the antients — — 40 
— his letter to Lord Charles Caven- 
difh, concerning the fuccefs of the above-mentioned ex- 
periments — — — 53 
his account of a meteor feen at 
Bath, October 20, 1759 301 
Collinfon (Mr. Peter ) his letter concerning the migration 
of fvvallows — — 459 
Colon of an horfe, account of a ftony concretion taken 
therefrom — ^ 94 - 
Colour, remarkable alteration of it in a Negro woman 175 
Comet, accounts of that feen in May 1759 — 93, 94 
obfervations on that feen in January 1760, by Mr. 
Short — — — — 465 
D° by the Rev. Mr. Michell — — 466 
account of the fame, by Nich. Munckley, Efq; 467 
obfervations on one, made at Paris in February 1 760, 
by the Abbe de Caille 635 
Concretion (ftony) account of one taken from the colon of 
an horfe — 694 
Conjectures, on the caufe of earthquakes 566 
on an inedited Parthian coin 680 
ConJlruRion and effeds of windmill-fails — 138 
Conji derations on a late treatife, intituled, A new fet ol lo- 
garithmic folar tables for finding the latitude at fea, 9 10 
Cooper (Mr. Samuel ) his account of a ftorm of thunder and 
lightning at Norwich — — — 3 8 
0 0 Corn - 
