Bibliography 



Mandl, M., and Zuckerman, S. (1952). 'Factors influencing the onset 



of puberty in albino rats.' J. Endocrinol., 8, 357. (179) 

 Manschot, W. A. (1940). 'Een geval van progero-nanie (Progeria von 



Gilford).' Nederl Tijdschr. Geneesk, 84, 3374. (134) 

 (1950). Acta Paediatr. Stockh., 39, 158. (134) 

 Marinesco, G. (1934). 'Nouvelle contribution a l'etude du mecanisme de 



la vieillesse.' Bull. Acad. Med. Paris, 111, 761. (7) 



(1934). 'fitudes sur le mecanisme de la vieillesse.' Rev. Soc. argent. Biol., 



10, 355. (7) 

 Markus, H. G. (1934). 'Life history of the blackhead minnow (Pimephales 



promelas): Copeia, 116. (70) 

 Marshak, A. (1936). 'Growth differences in reciprocal hybrids and cyto- 

 plasmic influence on growth in mice.' J. exp. £ool., 72, 497. (129) 

 Marshak, A., and Bryon, R. L. (1945). 'The use of regenerating liver as 



a method of assay.' Proc. Soc. exp. Biol., N.T., 59, 200. (155) 

 Marshall, H. (1947). 'Longevity of the American herring gull.' Auk, 64, 



188. (109) 

 Mason, K. E., and Wolfe, J. M. (1930). 'The physiological activity of the 



hypophyses of rats under various experimental conditions.' Anat. Rec, 



45, 232. (151) 

 Masters, W. H. (1952). 'The female reproductive system.' In Cowdry, 



E. V. Problems of ageing. Williams and Wilkins Co. (181) 

 Matheson, C. (1950). 'Longevity in the grey seal.' Nature, Lond., 166, 73. 



(48) 

 Matthes, E. (1951). 'Der Einfluss der Fortpflanzung auf die Lebensdauer 



eines Schmetterlings (Fumea crassiorella) .' %• vergl. Physiol., 33, 1. (44, 99) 

 Maupas, E. (1883). 'Contribution a l'etude morphologique et anatomique 



des Infusoires cilies.' Arch. £ool. exp. gen. S, 2, vol. 1. 



(1886). 'Recherches experimentales sur la multiplication des Infusoires 



cilies.' Arch. £ool. exp. gen. S. 2, 6. (116) 

 Maurizio, A. (1946). 'Beobachtungen iiber die Lebensdauer und den 



Futterverbrauch gefangen gehaltener Bienen.' Beih. Schweiz. Beinenztg., 



2, 1. (101) 



(1950). 'Untersuchungen iiber den Einfluss der Pollennahrung und 



Brutpflege auf die Lebensdauer und den physiologische Zustand von 



Bienen.' Schweiz. Beinenztg., 73, 58. (101) 

 Mayer, J. (1949). 'Definition and quantitative expression of ageing.' 



Growth, 13, 97. (180) 

 Maynard Smith, J., and Maynard Smith, S. (1954). 'Genetics and cyto- 

 logy of Drosophila subobscura. VIII. Heterozygosity, viability and rate of 



development.' J. Genet., 52, 152. (129) 

 Medawar, P. B. (1940). 'The growth, growth-energy and ageing of the 



chicken's heart.' Proc. Roy. Soc. B, 129, 332. (31) 



(1942). 'Discussion of growth and new growth.' Proc. R. Soc. Med., 35, 



500. (156, 157, 159) 



226 



