INDEX. 
page 
Staggers, cause of that disorder in sheep, - 205 
Stars, on their nature and construction, - - 46 
Steel, experiments and observations on a kind called JVootz , - 322 
specific gravity of several specimens of, - - 324 
properties of, - - 338, 340, 342 
Stodart, Mr. His opinion of a kind of steel called JVootz , 326 
Stones, account of a fall of, near Sienna, - - 103 
Sun, on its nature and construction, - 46 
Survey } trigonometrical, carried on in the years 1791, 1792, 1793, 
and 1 794, account of, - - 414 
* 1 particulars relative to its commencement, 428, 
441 
particulars relating to the operations of 
the year 1792, - - • - - - 446 
progress in the year 1793, - 457 
— particulars relating to the operations of 
the*year 1794, - - - - 466 
calculation of the sides of the great triangles, 488 
directions of the meridians at Dunnose 
and Beachy Head, &c. - - - 517 
Distances of the stations from the meri- 
dians of Greenwich, &c. - - 530 
— Secondary triangles, in which two angles 
only have been observed, - 539 
Distances of the objects intersected in the 
course of the survey, &c. . - 567 
Heights of the stations, &c. - 579 
• Remarks on the operation, - 589 
T 
Tania bydatigenia, description of, - 205 
Telescope, rejecting, description of one of forty feet, - 347 
— - — its gallery, - - 361 
■ its tube, - - - - 365 
method of observing with, - 382 
its speaking-pipe, - - 385 
— its right ascension apparatus, - 387 
■ its polar distance piece, - - 390 
its zone-clock, - - - 399 
— its great mirror, - - 403 
Theodolite used in a trigonometrical survey, improvements in, 445, 457 
