[ 49i ] 
lives lofl; at Palmi, and other diftrefsful circumftances, p. 192. See Hor/es. Natar* 
of the fire which iflucd from the earth in many places, p. 194. 199. Farther account 
of the manner of the (hocks, ibid. Remarkable fertility and beauty of Magna Grecia, p. 
195. See Agrume. Humanity of the Abp. of Reggio, p. 196. Earthquakes therein 
1770 and 17S0, ibid. Effects of the earthquakes on the fifties, explained, p. 201. 
Cafe of a girl whole foot was cut off by a barrel, p. 204. Reafons for believing the .? 
earthquakes were occafioncd by a volcano, p. 205 — 207. 
Edgvuert/j, Richard Lovel, Efq. See Rejijlance of the air. 
Elective attraction, what, p. 35. 
El ter lei ft (Von). Sec ^uickJU-ver . 
Endemial difeafes, what, p. 8 q . 
Eudiometer , an account of a new one, by Henry Cavcndilh, Efq. p. 106. That 
invented by the Abbe Fontana by much the moft accurate hitherto publiftied, ibid. . 
Obfervations on different methods of mixing airs, ibid. One propofed, which feems 
more accurate than the Abbe Fontana’s, p. 107. See p. 1 22. 1 26. Mr. Cavendifh’s 
apparatus described, p. 108. His two methods of proceeding, ibid. Notwith- 
ftanding the Aube Fontana’s precautions in meafuring the quantity of air ufed, that 
method is liable to very confulerable errors, p. 109. Method of weighing the con- 
taining velfels under water, ibid. A caution to be obferved in this manner of deter* • 
mining the quantities by weight, p. no. Mr. De Saulfure’s method of weighing » 
the quantity of air, ibid. Method of determining the proper quantity of nitrous 
air, p. hi. A ftiorter method for trying common air, p. 112. Obfervations ori the 
different methods, p. 112 — 115. Table (hewing the diminution produced in trying 
common air with different kinds of water, &c. p. 116. Chief caufe of uncertainty * 
in trying the purity of air, ibid. Bed way of obviating it, p. 1 1 7. Experiment 
with diililled water purged ot its air by boiling, ibid. Table of the obferved and 
corrected tefts of the diminution of nitrous air by (baking in the water, p. 118. 
Table of the ufual diminution on trying common air with different quantities of 
nitrous air, when diliilled water was employed, p. 119. Obfervations thereon, ibid. 
Table of the firft and fecoud method ot mixing airs. Sec. p. 121. Method of adding 
nitrous to common air, without coming in contact with water, ibid. Method of r ' 
trying whether air is more phlogiificated at one time than at another, p. 126. Obfer- 
vations on the refult thereof, 127, 128. Rule for computing the ftandard of any . 
mixture of dephlogiilicated and phlogifticated air, p. 130. Table of the ftandards * 
anfwering to different tells on the author’s and Fontana’s eudiometers, p. 1 3 1 . Re- 
marks thereon, p. 132. Different methods ot procuring phlogifticated air, p. 133. 
Our fenle of fuelling can, in many cafes, perceive infinitely imaller alterations in the 
purity of the air than can be perceived by the nitrous tell, p. 134. 
Eyc-glaJ]'es % a defeription of a new conftru&ion of, for fuch telefcopes as may be applied 
to mathematical inllruments, by Mr. Ramfden, p. 94. In telefcopes applied to mathe- 
matical inftruments, the interference of the firft eye-glafs before the image is forme '3 
productive of many bad confequences, ibid. See Micrometer 1 Frifm . Advantageous ■> 
pofition of the eye-glaffes, p. 96. 
Fixed ■ 
