VOL. LXXIX.] 



PHILOSOPHICAL TRANSACTIONS. 



563 



similar to that given by my Lord Clanbrassil to the Earl of Pembroke, which 



bred again. (See Philos. Trans, vol. TT ^ p. 255.) It would have proved the. 



same fact if she had been lined by either a wolf, a dog, or one of the males of 



her own litter. 



I may just remark here, that the wolf seems to have only one time in the year 



for impregnation natural to her, and that is in the month of December ; for 

 every time Mr. Gough's wolf has been in heat was in this month, and it proves 

 to be the same month in which Mr. Symmons's wolf was in heat ; for his half- 

 bred wolf is nearly of the same age with mine, and the time she was in heat was 

 also the same with that of her own mother, and the present brood corresponds 

 in time with the brood of Mr. Gough's wolf. 



XVL Abstract of a Register of the Barometer, Thermometer , and Rain, at 

 Lyndon in Rutland, for 1788. By T. Barker, Esq, Also of the Rain in 

 Hampshire and Surrey, p. 162, 



XFIL On the Method of Correspondent Falues, &c. By Edw. Waring, 



M.D., F.R.S. p. \QQ. 



§ 1. — 1. In the year 1762 I published a method of finding when 2 roots of a 



4c2 



