100 QUARTERLY CHRONICLE OF MICROSCOPICAL SCIENCE. 



owing, as he supposes, to the difficulties of the Swedish 

 language. We may hope that Professor Sinitt will add 

 himself to the number of those Scandinavian naturalists — 

 including Mr. G. O. Sars and Professor Thorell — who have 

 recently adopted the English language for the purposes of 

 scientific publication. 



The Formation of the Ovum, Fate of the Germinal Vesicle, 

 and First Appearance of the Blastoderm in the Bony Fishes 

 and other Vertehrata. — We are not able to do more on the 

 present occasion than draw the reader's attention to the 

 important work and controversy Avhich is going on upon 

 these questions. 



The papers of Dr. Oellacher are to be found in ' Schultze's 

 Archiv,' vol. viii, part 1, and a more recent paper in ' Koll. 

 und Siebold's Zeitschrift/ vol. xxiii, 1873. 



Van Bambecke has published in ' Coraptes Rendus,' t. 

 Ixxiv. No. 16, April, 1872, a paper entitled " Premiers effets 

 de la fecondation sur les oeufs des poissons," &c. 



Professor His has published a separate work at Leipzig, 

 lavishly illustrated, on the structure and mode of growth of 

 the egg of bony fish. 



Dr. Goette treats of the same general questions in a paper 

 in ' Schultze's Archiv,' vol. ix, 4th part, 1873. References 

 to the earlier papers of Strieker, Klein, &c., are given in the 

 above papers. 



