INDEX. 
Copper Springs , in the County of Wicklow , an Account of, 
by the Rev. Dr. William Henry , p. 94. 
Experiments and Obfei vations on them by 
John Bond , M. D. p. 1 8 1 . 
Coralline , Obfervations on a remarkable one, by Mr. John 
Ellis , p. 1 1 5. 
• a particular Species of it defcribed by Mr. John 
Ellis , p. 504. 
concerning the animal Life of fome which refemble 
very minute Trees, p. 627. 
Cornea , Defcription of a new Method of opening it, in order 
to extradt the Cornea, by Mr. Samuel Sharp , p. 161. 
- - Second Account of the new Method of opening it, 
for taking away theCataradt, by Mr. Sam. Sharp , p. 322. 
da Cojla ( Emanuel Mendez), Letter to the Rev. Dr. Tho. 
Birch , Seer. R. S. concerning the Foffil found at Dudley 
in Staffordjhire , and defcribed in Phil. Tr. N° 496. 
Cojlard (Rev. George ), Letter to Dr. Bevis, concerning the 
Tear of the Eclipfe foretold by Thales, p. 17. 
- ■■ - Letter to Dr. Bevis , concerning an Eclipfe mentioned 
by Xenophon , p. 155. 
concerning the Ages of Homer and Hefiod , p. 441. 
Crufio {Carlo), Account of an extraordinary Difeafe of the 
Skin, and its Cure, p. 579. 
Cryjlalline Humour , Defcription of a new Method of ex- 
tracting it, by opening the Cornea, by Mr. Samuel Sharp , 
p. 161. 
D. 
Demidoff (Monf), Extradl from his Thermometrical Ob- 
fervations on the Borders of Siberia , after p. 107. 
Dodfon Mr. James), Extract of a Letter of his to Mr. Wil- 
liam Mount aim , p. 273. 
• Letter to the Right Honourable the Earl of Mac- 
clesfield, Pref. R. S. concerning the Value of an Annuity 
for Life, and the Probability of Survivorlhip, p. 487. 
- and Mjountaine (Mefileurs), Advantages of a periodic 
Review of the Variation of the Needle, p. 875. 
Dollond 
4 
