[ 478 ] 
I. 
Jackal , Wolf, and Dog, obfervations tending to (hew them to be of the fame fpecies, 
p. 253. 
Inks of the ancients, obfemtions on, p. 45 t. Method of recovering decayed wri- 
tings, p. 451. 
Intejlines of Whales, p. 409. 
K. 
Keir, James , Experiments on the Congelation of the Vitriolic Acid, p. 267 
Kidnies of Whales, p. 412. 
Kohler, Oblervations on the Tranfit of Mercury, May 4,-1786, p. 47. 
L. 
\ 
l^imb killed fuddenly, p. 67. 
Lande , M. de la, errors in his tables, p. 38. 
Larynx of Whales, p. 416. 
Lauder , James , killed by thunder, p. 62. 
Light , effeCt of, in the production of dephlogifticated air, p* gr. 
Limbird, James , Strata of earth obfcrved in finking for Water at Bolton, Lincolnlhire* 
p.50. 
Linen , ravelings of, power of extracting air from water, p. 98. 
Liver of Whales, p. 410. 
Logarithms , the principles and illuftration of an advantageous method of arranging 
the difference of logarithms on lines graduated for the ptupofe of computation, 
p. 246. 
Longitude of Drefden, from obfervations on the tranfit of Mercury, May 4, 7786, 
p. 47. On the differences of, p. 212. Correction of the method for determinng 
the longitude by the pole ftar, p. 468* 
Lungs of Whales, p. 418. 
M. 
Maclaurin, on fome improvements in algebra by him, p. Sr. 
Magnet fm, experiments and obfervations, p. 6. Needle fufpended to a chain of hair, 
a good way of trying the magnetifin of bodies, p. 6. Of bodies belt tried on a fur- 
face of quickfdver, p. 7. Directions for making experiments, p. 10. EfFeCt of, on 
heated iron and Iteel, p. 12. Iron and Iteel lofe fome degree of llrength by being 
heated, p. 15. EffeCt by decompofing the iron, p. 16. Obfervations on the variation 
oi the needle, p. 22, EffeCt of the’aurora borealis on magnets, p. 24. 
Manufcripts , 
