440 



DR. P. CHALMEES MITCHELL OX LONGEVITY AND 



with hot-water pipes. They have had little room for exercise. 

 The lower viability of the striped species is difficult to explain. 

 Capt. Stanley Flower quotes a Spotted Hyaena and a Striped 

 Hysena, each with a duration of over 10 years, and still alive. 



CaniDjE. -No- "^ ^^- '^'^^- Max. dur. 



Indiv. in months, in months,. 



Canis lupus (Common Wolf) 18 29 72 



C. hodophylax (Japanese ,, ) 1 90 90 



G.pallipes (Indian „ ) 5 42 149 



G. latrans (Prairie ,, ) 4 59 115 



C . oMtarcticus {Awtsivctic ,, ) 2 41'5 64 



C.niger (Black „ ) 2 75 90 



All Wolves 32 40 149 



C. fm«A^ (North- African Jackal)...... 36 13-3 82 



G. aureus (Common „ ) 16 22'4 122 



G. lateralis {^ide-stri'ped ,, ) 8 24 56 



6'. mesome^as (Black-backed ,, ) 39 19 164 



All Jackals 99 18 164 



G. dingo (Bingo) 11 43 145 



G. {Guon) primoivus (Indian Wild Dog) 6 35 55 



C.(6W7i) ™«i7a??s (Malay Wild Doo). 4 22 28 



G. jttbatus (" Ma,ned Wolf ") ^ . . 2 15-5 23 



G. azarce (Azara's Dog) 19 35 103 



G. cancrivorus (Crab-eating Dog) . . 19 15 60 



C. 'magellanicus (Magellanic Dog) 4 32 100 



G . fulvicaudujS (KeA-tailed T>og) 1 53 53 



6'. /"w^OT^es (Red- footed Dog) 1 16 16 



G. {JVyctereittes) proci/07ioides {Heiccoon 13 26 69 



Dog). 



G. microtis (Small-eared Dog) 1 4 4 



All fox-like Dogs 58 27 103 



G. argentatus (Silver Fox) 1 48 48 



G. hengalensis (Bengal Fox) 12 21 68 



C. cercZo (Fennec Fox) 10 24-9 110 



G. chama (Silver-backed Fox) 15 19 62 



G.famelicus (Syrian Fennec) 5 14*4 32 



C./«feMs (Red Fox) 21 30 97 



G. lagopus (Arctic Fox) 24 48-8 132 



C. ^e^tcopzts (Indian Desert- Fox) 6 50 91 



G. niloticus (Egyptian Fox) 9 32*5 77 



G. palUdus ( Pale Fennec Fox) 5 15 60 



G. velox {Kit Fo^) 5 34 71 



G. virginia^itcs (Virginiim. Fox) 11 12"6 30 



G. vulpes (Common Fox) 41 14-6 87 



All Foxes and Fennec Foxes 165 26-7 132 



Zycaojijoici^ts (Cape Hunting-Dog) ... 6 19'3 56 



Icticyon venaticus {B\x^\-(\.og) 1 2'5 4 



Otocyon 7)iegalotis {Ijong-eiiTQA Fox) .. . 4 4*5 8 



The potential longevity of Canine animals is probably not much 



