241 



Embryologia 



93263 McClendon, J. F. 13.13 : 39.5 



1010. Further Proofs of the Increase in Permeability of the Sea Ur- 

 chin's EgÊc to Electrolytes at the Beginning of Development. Science N. 

 S. Toi. 32 p. 317-318. 



64 Kite, G. L. 18.13 : 39.5 Arbacia 



1912. The Nature of the Fertilization Membrane of the Egg of the Sea 

 Urchin {Arhacia punctidatd) , Science N. S. Toi. 36 p. 562—564. (Ab- 

 stract, vide B. Z. Vol. 25 No. 80t)82.) 



65 Robertson, T. Brailsford. 13.13 : 39.5 Strongylocentrotus 



1912. On the extraction of a substance from the sperm of a sea-urchin 

 {Strongylocentrotus purpuratus) which will fertilize the eggs of that species. 

 Jonrn. biol. Chem. Toi. 12 p. 1 — 11. [Two substances can be extracted 

 by strcngly hypotonie sait solutions ; the acid-soluble substance acts as 

 a powerful fertilizing, agglutinating and cytolyzing agent upon the eggs.] 



66 Elder, Jay C. 13.13 : 39.5 Strongylocentrotus 



1912. The Relation of the Zona pellucida to the Formation of the Fer- 

 tilization Membrane in the Egg of the Sea-Urchin {Strongylocentrotus pur- 

 puratus). Arch, Entw.-Mech. Bd. 35 p. 145— 16i, 18 tigg. [Zona pellu- 

 cida furnishes the attraction stimulus for the spermatozoa.] 



67 Meyes, Friedrich. 13 13 : 49.3 Phallusia 



1913. Ueber das Verhalten des plastomatischen Bestandteiles des Sper- 

 miums bei der Befruchtung des Eies von Phallusia mamillata. Arch, 

 mikr. Anat. Bd. 82 Abt. 2 p. 215-260, 4 Tal, 7 figg. 



68 MacCallnm, G. A. 13.13 : 51.22 Microcotyle 



1913. Fertilization and Egg-laying in Microcotyle stenotomi. Science N. 

 S. Toi. 87 n. 340—341. 



69 Packard, Charles. 13.13 : 51.7 Nereis 



1914. The Effect of Radium Radiations on the Fertilization of Nereis. 

 Joarn. exper. Zoöl. Toi. 16 p. 85—129, 3 pis. [Bcth chromatin and 

 protoplasm affected. Varions abnormalities.] 



93270 Binford, Raymond. 13.13 : 53.842 Menippe 



1913. The Germ-cells and the Process of Fertilization in the Grab, 

 Menippe mercenaria. Journ. Morphol. Toi. 24 p. 147 — 202, 9 pis. [Sper- 

 matogenesis. Fertilization by eversion of nuclear cup into the egg.] 



71 Nachtsheini, Hans. 13.13 : 57.99 Apis 



1913. Cytologische Studien über die Geschlechtsbestimmung bei der 

 Honigbiene {Aps mellifica L.). Arch. Zellforsch. Bd. 11 p. 169—241, 4 

 Taf,, 1 Tab., 6 figg. (Referat, vide ß. Z. Vol. 26 No. 86996.) 



72 Okkelberg, Peter. 13.13 : 7.2 Entosphenus 



1914. Volumetrie Changes in the Egg of the Brook Lamprey, Eiitosphe- 

 nus (Lampetra) wildert (Gage), alter Fertilization. (Contr. zool. Lab. Univ, 

 Michigan No. 141.) Biol. Bull. Woods Hole Toi. 26 p. 92—99, 2 figg. 

 [Decrease in size. CoUoidal substance eliminated.] 



73 Sorokina, Marie. 13.15 : 39.5 



1912. Ueber Synchromismus der Zellteilungen. Arch. Eutw.-Mech. Bd. 

 35 p. 30—45, 6 figg. [Durch Zusammenhang der Blastomeren bedingt. 

 Versuche an Faracentrotus.] 



74 Loeb. Jacques. 13.15 : 39.5 



1913. Die Ursache der spontanen Furchung beim unbefruchteten Seeigel- 

 ei. Arch. Entw.-Mech. Bd. 36 p. 626-632, 18 figg. [Spontane Merabran- 

 bildung.] 



75 Doncaster, L., and J. Gray. 13.15 : 39.5 Echiuus 



1913. Cytolooical Observations on the Early Stages of Segmentation of 

 Echinus Hjbrids. Quart. Journ. micr. Sc. Toi. 58 p. 483—510, 2 pis. 

 93276 Chevroton, Mlle., et E. Fauré-Fremiet. 13.15 : 51.3 Ascaris 



1913. Etude cinématographique des phénomènes cytoplasmiqaes de la 

 division de l'œuf d'Ascaris. C. R. Acad, Se. Paris T. 156 p. 815—818. 

 (Analyse, vidb B. Z. Vol, 25 No. 81735.) 



BibUogr. Zool. XXVII 



IIL 1915 



16 



