PHASES IN THE LIFE OF THE INDIVIDUAL 723 



appears to be about thirty-four months. 1 The white mouse is stated 

 to have a normal life of two years, and this whether it, has lired or 

 not, but females are slightly shorter lived than mal- 



For man the traditional duration of life is seventy, but, as every 

 one knows, this age is very often much exceeded. Women on the 

 average live to be somewhat older than men. 



Many instances are on record of extraordinary longevity, hut 

 perhaps the most trustworthy is the famous case of Thomas Pan, 

 described by Harvey in the 7V//Awy;A/m/ Ti-<m.-i<-tii>,ix of the Royal 



Fin. 189. Lonk sheep, aged eighteen years, with her last lanilt. Tin's sheep, 

 which belonged to Mr. William Peel of Knowlemeie Manor, Clitheroe, 

 lived to be twenty-one years. It hail thirty-live lambs, nine of which 

 were triplets. 3 



Society. 4 His death is said tu have been due to the change in his 

 mode of life, resulting from his migration from Shropshire to London, 

 "where he feil lii.irh anddiunk plentifully of the best wines." "He 

 died after he had outlived nine princes, in the tenth year <f the tenth 

 of them, at the age of one hundred and fifty-two years and nine 

 months." '' 



1 Donaldson, /<. ,//. 



- Kirkham, In,-, ,-lt. 



I am indebted ti> my friend Mr. \V. Ralph Peel. ,.f Trinity College, 

 ( 'ambi -idi:' 1 . f ' " thi.- photograph (taken by hi.- sister. Miss Peel), and for tli- 

 information which accompanied it. 



4 Harvey, "Anatomical Account of Thomas I 'an-." /'///. '/'/V//M.', vol. iii., 

 1700. A portrait of Pan jiainted by \an I >\vk may be seen in the Royal 

 Gallery at Dresden. 



5 For much further information about old age, longevity, etc., in man, see 

 Lnciani, ////<"/< Pkytiology, vol. \., Kn;, f lish Kilitioii, London, 1!21. See also I 'carl. 

 "On the Mean A gc at Death of < 't-ntenarians.' /' \ '^f. .\<-<t<l. >'/., vol. v.. |!l!i. 



