INDEX 



589 



Planaiia by meaiif; of potassium cyanide. 

 ■Studies on the dynamics of morphogene- 

 sis in experimental reproduction and in- 

 heritance. IX. The control of headform 

 and head frequency in 101 



Potassium cyanide. Studies on the dynamics 

 of morphogenesis in experimental repro- 

 duction and inheritance. IX. The con- 

 trol of head-form and head frequency in 

 Planaria by means of 101 



Production in Hydatina. Factors affecting 

 male- 127 



RADIATIONS on the rate of cell division. 

 The effect of radium 199 



Radium radiations on the rate of cell division. 

 The effect of 199 



Rat as affected by feeding various ductless 

 glands (thyroid, thymus, hypophysis, 

 and pineal). The growth of the body and 

 organs of the albino 295 



Rate of cell division. The effect of radium 

 radiations on the 199 



Regeneration in Cassiopea .xamachana. The 

 influence of the marginal sense organs on 

 the rate of 1 



Reproduction and inheritance. IX. The con- 

 trol of head-form and head frerjuency in 

 Planaria by means of potassium cyanide. 

 Studies on the dynamics of morphogenesis 

 in experimental 101 



Resistance of the dividing sea-urchin egg to 

 hj'potonic sea water and their physiologi- 

 cal significance. The physiology of cell- 

 division. \T. Rhythmical changes in 

 the 369 



Rheotaxis in Asellus. Chemical control of... 163 



Rhythmical changes in the resistance of the 

 dividing sea-urcnin egg to hypotonic sea 

 water and their physiological significance. 

 The physiology of cell-division. \l 369 



Ricini Boisd. cf X Philosamia cynthia 

 (Drury) 9 . The effect of moisture upon 

 the silk of the hybrid Philosamia (Atta- 

 cus) .51 



Root, F. M., Mast, S. 0.,and. Observations 

 on ameba feeding on rotifers, nematodes 

 and ciliates, and their bearing on the sur- 

 face-tension theory 33 



Rotifers, nematodes and ciliates, and their 

 bearing on the surface-tension theory. 

 Observations on ameba feeding on 33 



SEA-URCHIN egg to hypotonic sea water 

 and their physiological significance. The 

 physiology of cell-division. VL Rhyth- 

 mical changes in the resistance of the 

 dividing 369 



Sense organs on the rate of regeneration in 

 Cassiopea xamachana. The influence of 

 the marginal 1 



.Shitll, a., Fr.\nklin and Ladof;'', Soxia. 

 Factors affecting male-production in Hy- 

 datina 127 



Silk of the hybrid Philosamia (Attacus) ricini 

 Boisd. cf X Philosamia cynthia (Drury) 

 9 . The effect of moisture upon the .51 



Structure of Metridium (.4ctinoloba) margi- 

 natum Milne-Edwards wita special ref- 

 erence to its neuro-muscular mechanism. 

 The 433 



Surface-tension theory. Observations on 

 ameba feeding on rotifers, nematodes and 

 ciliates, and their bearing on the 33 



TERATOPHTHALMIC embryos and its 

 significance for the normal develop.-nent 

 of the lens in vertebrates. On the blas- 

 tolytic origin of the 'independent, lenses of 

 sonie 347 



Thymus, hypophysis, and pineal). The 

 growth of the body and organs of the al- 

 bino rat as affected by feeding various 

 ductless glands (thyroid, 295 



(Thyroid, thymus, hypophysis, and pineal). 

 The growth of the body and organs of the 

 albino rat as affected by feeding various 

 ductless glands 295 



Titus, E. G., Parker, G. H., and. The 

 structure of Metridium (.\ctinoloba) mar- 

 ginatum Milne-Edwards with special ref- 

 erence to its neuro-muscular mechanism . . 433 



RCHIN egg to hypotonic sea water and 

 their physiological significancd. The 

 physiology of cell-division. \T. Rhyth- 

 mical changes in the resistance of the di- 

 vidingsea- 369 



u 



V 



ERTEBRATES. On the blastolytic ori- 

 gin of the 'independent' lenses of some 

 teratophthalmic embryos and its sig- 

 nificance for the normal development of 

 the lens in 347 



WERBER, E. I. Experimental studies 

 on the origin of monsters. I. An eti- 

 ology and an analysis of the morpho- 

 genesis of monsters 48.5 



Werber. E. I. On the blastolytic origin of 

 the 'independent' lenses of some terato- 

 phthalmic embryos and its significance 

 for the normal development of the lens in 

 vertebrates 347 



X 



AM ACHA NA . The influence of the mar- 

 ginal sense organs on the rate of regen- 

 eration in Cassiopea 1 



