AN ESSA Y 'ON LONGEVITY. 



59 



BIRDS (continued). 



? Pelicans and Herons, 40-50 years. 



Hawis 

 Peacocks . 

 Goldfinches 

 Blackbirds 

 Pheasants 



Nightingales 

 Domestic Fowls 

 Thrushes . . 

 Wrens . . 



(L. Grindon, ' Life, its Nature.') 



30-40 years. 

 20 years. 



15 years. 

 10 years. 

 8-g years. 

 2-3 years. 



Mr. Grindon does not give his authority for these ages. It will be 

 seen that he differs from Bacon as to the ages of some birds and 

 mammals. 



MAMMALS. — The general cause of death is the same as for birds. 



? Greenland Whale, 300-400 years, inferred from the growth of the 



Baleen. (Grindon, loc, cit.) 

 ? Dolphin, 30 years. (Bacon.) 



Elephant (Asiatic), 120 years. 



150 years. 



1 ' 200 years. 



200 years. 



500 years. 



(De Blainville.) 

 (Flourens.) 

 (Buffon.) 

 (Aristotle.) 

 (Sunt qui.) 



* At 30 years the epiphyses were not joined. (' Philos. Trans.' 



Everard Home.) 



Rhinoceros and Hippopotamus, 70-80 years. (Grindon.) 



Horse, 25 years. (Flourens.) But the Bishop of Metz had one 



that lived to be 40 years old. 

 9 or 10 years for most, but some live to 40 years. (' Engl. 



Cyclop.' article Horse.) 



20 years. (Bacon.) 



Horse and Ass, 25-30 years. (Grindon.) 



* Mule, is longer-lived than these. (Bacon.) 



? Camel, 40 years. (Flourens.) May live to 100 years. (Aristotle.) 



50 to 100 years. (Bacon.) 



? Ox, 15-20 years. (Flourens.) 



Bull, 16 years. (Bacon.) 



