ORIGIN OF AMPHIBIAN PIGMENT 275 



DuShane, G. P., I943 - "The embryology of vertebrate pigment cells. I. Amphibia." Quart. 



Rev. Biol. 18:109. 

 Eaatllck, H. L,, 19i^0 - "The localization of pigment- forming areas in the chick blastoderm 



at the primitive streak stage." Physiol. Zool. 13:202. 

 Elias, H., 191+3 - "Cause for blue, green, and red colour in Anura." Aaat. Sec. 87:12. 

 Etkln, v., 191+1 - "On the control of growth and activity of the pars intermedia of the 



pituitary by the hypothalamus in the tadpole." Jour. Exp. Zool. 86:113. 

 Fostredt, G., 1939 - "Preliminary in vitro studies of melanophore-principle activity of 



the pituitary gland." Proc. Soc. Exp. Biol. & Med. Ii0:302. 

 Harrison, E. G., I955 - "Heteroplastic grafting in embryology." The Harvey Lectures, 



p. 116. 

 Humm, F. D. , I9I+2 - "The growth and migration of cultured melanophor^s from the neural 



crest when grafted into the embryo." Jour. Exp. Zool. 90:101. 

 Lehmann, F. E., I929 - "Die Entwicklung des Anlagenmusters im Ektoderm der Tritongastrula. " 



Arch. f. Ent. mech. II7. 

 Lynn, W. G, & Sr. A. de Marie, 19^+6 - "The effect of thiouracil upon pigmentation in the 



tadpole." Science, 10li:31. 

 Marsland, D. M. , 191+5 - "The mechanism of pigment displacement in unicellular chromato- 



phores." Biol. Bull. 87:252. 

 Niu, M. C, 19l*-7 - "The axial organization of the neural crest, studied with particular 



reference to its pigmentary component." Jour. Exp. Zool. 105:79. 

 Parker, G. H. , I9U3 - "Animal color changes and their neurohumors . " Quart. Eev. Biol. 



18:205. 

 Eaven, Chr. P., I936 - "Zur Entwicklung der Ganglienlelste. V. Uber die Dlfferenzlerung 



lea RuBipfganglienleistemnaterials." Arch. f. Ent. mech. l^k:122. 

 Bosln, S., 191*^3 - "Experimente zur Entwlcklungsphysiologie der Pigmentierung bei Amphibien." 



Eev. Suisse de Zool. 50:1+85. 

 Sawyer, C. H. , I9I+7 - "Cholinergic stimulation of the release of melanophore hormone by 



the hypophysis in the salamander." Jour. Exp. Zool.. I06. 

 Serra, J. A., I9I+3 - "Sur la nature des melanlnes et la melanogenese. " Genetlca, 23:300. 

 Stone, L. S., 1952 - "Selective staining of the neural crest and its preservation for 



microscopic study." Anat. Rec. 51^267. 

 Stone, L. S., 1933 - "The development of the lateral-line sense organs in Aniphibiana in 



living and srital-stained preparations." Jour. Comp. Neur. 57:507. 

 Szepsenwol, J., I9I+5 - "The influence of the eyes on the melanophores in Amphibia." Anat. 



Rec. 93:185. 

 Twitty, V. C, I9I+5 - "The developmental analysis of specific pigment pattern." Jour. 



Exp. Zool. 100:11+1. 

 Twitty, V. C. & D. Bodensteln, I9I+I+ - "The effect of temporal and regional differentials 



on the development of grafted chroma tophores . " Jour. Exp. Zool. 95:213. 

 Waring, H., I9I+I - "The co-ordination of vertebrate melanophore responses." Biol. Eev. 



17:120. 

 Watterson, E. L., 191+2 - "The morphogenesis of dovm feathers with special reference to the 



developmental histoiy of melanophores." Physiol. Zool. 15:23l+. 

 Weiss, P., I9I+I - "Melanin formation by deplanted fragments of thalBmus In Amphibian 



larvae." Proc. Soc. Exp. Biol. & Med. l*8:3'+5. 

 Willler, B. H. , 191+1 - "An analysis of feather color pattern produced by grafting melano- 

 phores during embryonic development." Am. Nat. 75:156. 



"There is fundamentally a natural corrective for our 

 inclination to allow likes and dislikes to influence our 

 reason. This corrective is found in the instinct of curi- 

 osity, the faculty that impels men to seek the truth, even 

 if it be unpalatab le . 



A. J. Lotka 1925 



