The Biology of Senescence 



Drosophila (Diptera) (Pearl, 1928; Pearl and Parker, 1922, 



1924; Gonzalez, 1923; Alpatov and Pearl, 1929; Alpatov, 



1931; Pearl and Miner, 1935; Bilewicz, 1953). 

 Aedes aegypti (Diptera) (Kershaw, Lavoipierre and Chalmers, 



1953). 

 Acrobasis caryae (Lepidoptera) (Pearl and Miner, 1936). 

 Fumea crassiorella (Lepidoptera) (Mathes 1951) (Fig. 26). 

 Telea polyphemus (Lepidoptera) (Pearl and Miner, 1935). 

 Bombyx mori (Lepidoptera) (Alpatov and Gordeenko, 1932). 

 Tribolium confusum, T. madens (Coleoptera) (Park, 1945; 



Pearl, Park and Miner, 1941) (Fig. 36). 

 Cockroaches (Blatta orientalis, Periplaneta americana) (Rau, 



1924; Griffiths and Tauber, 1942). 

 Bees (Ribbands, 1952, 1953). 

 Locusts (Bodenheimer, 1938). 

 Daphnia (Cladocera) (McArthur and Bailey, 1926; 1929a, 



1929b; Ingle, Wood and Banta, 1937; Dunham, 1938; 



Anderson and Jenkins, 1942). 

 Latrodectes (Arachnida) (Deevey and Deevey, 1945) (Figs. 34, 



35). 

 Rotifers (Jennings and Lynch, 1928; Lynch and Smith, 1931; 



Miller, 1931; Edmondson, 1945a, b; Lansing, 1942 etc.), 



Figs. 20, 22, 23). 

 Hydra (Pearl and Miner, 1935) (Fig. 5c). 



There must be others which have been overlooked, especially 

 in the entomological literature. Some unpublished survival 

 curves, mostly from populations too small for actuarial treat- 

 ment, are given in the text figures: 



Lebistes reticulatus (teleost) (Fig. 18&). 

 Night heron {Nycticorax nycticorax). (Fig. 9). 

 African Ibis (Threskiornis aethiopicus) (Fig. 9). 

 Orkney vole (Microtus orcadensis) (Fig. 10). 

 Patagonian cavy {Dolichotis patagond) (Fig. 11). 

 Mouflon sheep (Ovis musimori) (Fig. 12). 

 Irish wolfhounds (Fig. 13). 



Figs. 9-12 are prepared from data in the records of the London 



44 



