POLYSPERMIE EXPERIMENTALE 97 



1906 LiLLiE (Fr-R.). Observations and experiments concerning the 



elementary phenomena of embryonic development in Chœ- 



topterus. (Journ. of. exper. Zool. III.). 

 1906. Makcus (H.). Ueber die Wirkung der Temperatur auf die Furchung 



bei Seeigeleiern. {Arch. f. Entwick.-Mech. XXII.) 

 1897 .MicHAELis (L ). Zur Richtungsbestimmung der ersten Furche des 



Eies. (Inaug. Diss., Berlin.) 

 1897 a. MicHAELis (L.). Die Befruchtung des Triloneies. {Arch.f. mikrosk. 



Anat. 48.) 

 1902 MoszKowsKi (M.). Ueber den Einfluss der Schwerkraft auf die 



Entstehung und Erhaltung der bilateralen Symmetrie des 



Froscheies. (Arch. f. mikrosk. Anat. 60 ) 



1902 a. MoszKOWSKi (M.). Zur analysis der Schwerkraftwirkung auf die 



Entwicklung des Froscheies. {Arch. f. mikrosk. Anat 61.). 

 1894 Morgan (T.-H ). and Tsuda. The orientation of the frog's egg. 

 {Quart. Journ. of. Microsc. science. XXXV.) 



1903 Morgan (T.). and A. Boring. The relation of the first plan of 



cleavage and the grey crescent to the médian plane of the 

 embryo of the frog. {Arch. f. Entwick.-Mech. XVI.). 

 1902 Morgan (T. -H.). The relations between normal and abnormal 

 development of the frog. I as determined by injury of the 

 yolk portion of the egg. {Arch. f. Entwick.-Mech. XV.). 



1904 Morgan (T. -H.). III. As determined by some anormal forms of 



development. {Arch. f. Entwick. Mech. XVIII.). •► 



1904 a. Morgan (T.-H.). IV. As determined by Roux's experiment 



of injuring the first formed blastomeres of the frog's egg. 

 (With E. Torelle.) {Arch. Entwick.-Mech. XVIII.) 



1905 Morgan (T.-H.). VI. As determined by incomplète injury to one 



of the first two blastomeres. {Arch. f. Entwick.-Mech. XIX.) 

 1905 a. Morgan (T.-H.). VIII. As determined by injury caused by a 

 low température. {Ibid.) 



1905 h. Morgan (T.-H.). IX. As determined by insuffîcient aération. 



{Ibid.) 



1906 Morgan (T.-H.). Experiments with frog's eggs. {Biol. Bull. XI.) 

 1906 b. MORG.4N (T.-H.). The influence of a strong centrifugal force on 



the frog's egg. {Arch. f. Entwick.-Mech. XXII.) 



1908 Morgan (T.-H.). The effect of centrifuging the eggs of the Mollusc 



Cumingia. {Science N. S. XXVII.) 



1909 Morgan (T.-H.) and Spooner. The polarity of the centrifuged 



egg. {Arch. f. Entwick.-Mech. XXVIII.) 



ARCH. DE ZOOL. EXP. ET GÉN. — 5 SÉRIE. — T. VI. — (I). 7 



