CHAPITRE YI 

 I.a li'atoinse. 



Baldwin (W. M.). Tlip pffecl of ultra-violet light rays npon tlie 

 deveJopment of the frogs e.gg. (Biol. Bull., XXXVII, 294-311, i fig.) [ri2 



Bellamy (A. "W.j. Differential smceptihilitg as a hasis for modification 

 and contrai of earli/ development in the frog. (Biol. Bull., XXXVII, 312- 

 361, 25 fie ) ' [6? 



Cole (Lon J.). -.1 defect ofhair and teeth inCattle, prohahlg hereditary. 

 (The Journ. of Heredity, X, 30.3-30G.) [64 



Herwerden (Miss M. A. van). Effects of the rays of radium on the 

 ogenesis of Daphnia pulex. (Proceed. Acad. Amsterdam, XXI, 540-548.) 



[61 



Me Clure (C). On the exprimental nroduction of dema in larval and 

 adult Ainra. (Journ. gen. Physiol., I, 3, 261-V69.J [64 



Merrill (C. V.). - Symmetry reversai and mirror imaging in monstrous 

 troiil and a comparison vnlh similar conditions in human double monsters. 

 (Anatomical Record, XVI, N" 4, juin, 265-282, 4 pi.) [64 



a) Redfeld (A.) and Bright (E.). Temprature coefficient of the action 

 f>f '?.-i'(iys upon the egg ofNereix. (Journ. gen. Physiot., I, 3. 255-V61.) [61 



b) The relative physiologicaJ effects of ^-and -(-rays upon the egg of 

 Nn-eis. (Ibid., II, 25-30, 1 fig.) [61 



c) The relative physiological effects of [irays of diffrent velocities. 



(Ibid., 31-47, 6 fig.) ' [61 



Richards (A.) and Good (Donnell J.). iXotes on the effects of r- 

 radiation on the development ofthiminr/ia eggs. (Biol. Bull., XXXVII, 209- 

 221.) ' [61 



Spemann (H.) und Falkenberg iH. J.). Ueber asymmetrische Ent- 

 vricklung und Situs inversus viscerwn bei Zwillingen uni Doppelbildun 

 gen. (Arch. Enlw-Mech., XLV, .371-422, 3 pi., 5 fig.)" [63 



a) Zirpolo (G.). Nuovi casi di anom.alia dlie braccia in Asiropecien 

 aurantiacus L. (Boll. Soc. Natur. Napoli, XXXI, 100-109, fig., 1918.) 



[Description de 3 cas d'anomalies : 1" individu 

 6 bras; V" individu c 4 br'as;3 indiviau 3 bras normaux et 2 rgnrs 

 d'une faon anormale, rendant Tanimal asymtrique. M. Go dsmith 



b) 5m di un Asiropecien aurantiacus L. con tre piastre madreporiche. 



(Ibid., XXXIl, 71-76, 1 fig.) [Individu 3 plaques madrpiriques 



disposes ct l'une de l'autre dans un interradius, M. Goldsmitii 



