LA TACHYGÉNÈSE. 371 



Williams (S. R.). — Changes accompanying the migration of theeye 

 and observations on the tractus opticus and tectum opticum in 

 Pseudopleuronectes americanus (Bull, of the Muséum of compara- 

 tive Zoôlogy, vol. XL, p. 1-57, 5 pi.). 1902 



Wilson (E. B.). — The germ-bands of Lumbricus (Journal of Morpho- 



logy, vol. 1, p. 183-192, pi. Vil). 1887 



— The Cell-Lineage of Nereis. A contribution to the Cytogeny of the 

 Annelid Body (Journ. of MorphoL, vol. VI, p. 361-470, 8 fig., 



pi. XV-XX). 1892 



— The cell in development and inheritance, 2 e édition, New- York. 



The Macmillan Company). 1902 



Winiwarter (H.). — Le corpuscule intermédiaire et le nombre des 

 chromosomes du Lapin (Arch. de Mol., t. XVI, p. 685-707, pi. XXIX). 1899 



Zeppelin (M.). — Ueber den Bau und die Theilungsvorgânge des 

 Ctenodrilus monostylos, n. sp. (Zeitsch. fur wiss. ZooL, Bd XXXIX, 

 p. 615-652, 2 pi.). 1883 



Zoja (R.). — Sullo sviluppo dei blastomeri isolati dalle nova di alcune 

 Méduse (e di altri organismi) (Arch. fur Entwicklungsmech. , Bd I, 

 p. 578-595, pi. XXI-XX1II, Bd 11, p. 1-37, pi. 1-1V). 1895 



