[ io 7 4 ] 
/Diet, Concerning the antifeptic regimen among the Ruffians, p. 622, See Jintifeplic 
Regimen, joLi- 
Digejlion of food, requires the greateft power of heat an animal can exert, p 31. 
Dipping-needle. Remarks and obfervations on the dipping-needle in a voyage to the 
Baft Indies, p. 391 — 41B. Dip of the needle obferved during a voyage from Eng- 
land to Davis’s Streights and Tabradore in 1776, p. 1057 — .106 3. 
jDi/eq/es . Obfervations on the population and difeafes of Chefter in the year 1774, 
p. 1 3 1. See Chejler. State of difeafes at Fort St. George in the Eaft Indies during 
the months of Qdiober, November, December, 1776, and January and February 
1777,?. 193. Small rooms and dole beds unvvholefome in difeafes, p. 199, 200 
Difeafes, occafioned by unwholefome food, mu ft be cured by a corre&ion of the food 
itfelf, p. 661, & c. Stagnated ditches produce difeafes, p. 137 — 139. 
Ditches , ftagnated, produce difeafes, p. 137— 139. 
Dog , experiments on one relative to its heat, p. 22, 23. The Battas of Sumatra eat 
dogs, p. 168. 
Dog-fijh^ its Ikin very ufeful in cleaning ele&rical cylinders, p. 861, 862. 
Doopattee , the chief of each village in Sumatra fo called, p. 164. 
Doo/anSy the villages in Sumatra, fo called, p. 164. 
Dormice , experiments on fome relative to their heat, p. 17 — 20. 
Drefs of the unmarried women of the Caffia country in Sumatra, p. 167. 
Drones 3 what their ufe, p. 108. Conjedlure concerning the difference of fize i* 
drones, p. 109.. 
Drunksnnefs and gluttony deftrudlive to health, p. 1 34.- 
JDubliny the proportionable number of inhabitants that die there annually, p. 134. 
, DuJfeUorffy the court of the palace of the ele&or-paiatine there paved with a lav* 
brought from Unkel, p. 2. 
E. 
M&rth kept warm' by Tnow, p. 33. 
R&arth. An account of the calculations made from the furvey and meafures taken at 
Schehallien, in order to afeertain the mean deniity of the earth, p. 689. A fynopfis of 
the horizontal and vertical angles that were obferved at the principal points in making 
the furvey about Schehallien, p. 691 — 701. Of the meafure of the two principal bafes, 
p. 702 — -710. Meafure of fhorter lines, p. 710. Other methods of making the cal- 
culations, p. 711—725'. Abftrad of the refults of the computation of the fedtions, p. 
726 — 742. Refults of the irregular fedlions, p 0 742 — 745. Three fedlions taken in 
different manner, p. 745, 746. Application of the relative altitudes to determine 
the attradlion of the hill, p. 747, 748. The calculations and conftrudlions applied to 
-the determination of the efe& of the aitra&ion in the diredtion of the meridian, p. 
74* 
