288 LIMB FIELD OPERATIONS 



Taylor, A. C, i9'+5 - "Development of the innervation pattern in the limb bud of the frog." 

 Anat. Bee, 87:579- 



Thornton, C. S., 1958 - "The histogenesis of the regenerating forellmb of larval Amblystoma 

 after exartlculation of the hiunerus." Jour. Morph. 62:219. 



Tvrltty, V. C, 1957 - "Experiments on the phenomenon of paralysis produced by a toxin oc- 

 curring in Triturus embiyos." Jour. Exp. Zool. 76:67. 



Twltty, V. C. & J. L. Schwind, 1951 - "The growth of eyes and limbs transplanted hetero- 

 plastically between two species of Amblystoma." Jour. Exp. Zool. 59=61. 



Waddington, C. H. , I955 - "Heterogony and the chemical ground-plan of animal growth." 

 Nature. 151:15'+- 



Warren, A. E., 1959 - "Observations on limb development in Sana sylvatica following uni- 

 lateral eye extirpation." Arch. f. Ent. mech. 159:50. 



Weiss, P., 1955 - "Homologous function of supernumerary limbs after elimination of sensory 

 control." Proc. Soc. Exp. Biol. & Med. 55=50. 



Weiss, P. & E. Lltwiller, 1957 - "Quantitative studies on nerve regeneration in Amphibia. 

 II. Innervation of regenerated limbs." Proc. Soc. Exp. Biol. & Med. 



Weiss, P., 1959 - "The epigenetic factors in limb regeneration of Amphibia." Current 

 Science, August 1959- 



". . . we shall do well to give up all the old arguments 

 about form and matter, rep lac ing them by two factors more in 

 accordance with what we know of the universe , that is to say. 

 Organization and Energy. " 



J. Needham 19i2 



"Continuity of organization is indeed a species of 

 preformation. Genes are not produced e pigenet ically but 

 by division of pre-existing forms." 



C. 0. Whitman 



"However great the difference between an infusor ian 

 and a highly organized animal, it cannot be a qua 1 1 tat ive 

 one . " 



C. 0. H/iitman 



