241 Embryologia 



93263 McClenflon, J. F. 13 13 . 39 - 



lyiO. Further Proofs of the Increase in Pormeability of the Sea Ur- 

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

 S, Vol. 32 p. 317—318. 



64 Kite, Q. L. 13 13 . 39 5 Arbacia 



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

 Urchin (Arbncia punctulata). Science y. S. Vol. 36 p. 562—564. (Ab- 

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



65 Kobertson, T. Brailsford. 13.13 : 3U.5 Strongylocentrotus 



lyiJ. Un tne extraction of a substance from the sperm of a sea-urchin 

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

 Journ. biol. Chem. Vol. 12 p. 1—11. [Two substances can be extracted 

 by strongly hypotonic salt solutions; the acid-soluble substance acts as 

 c« ^,A P^'^,«^*"j. fertihzing, agglutinating and cytolyzing agent upon the eggs.l 



I ^^ *^\^«T^ -^^J^' p w ..u. 1^1'^ • ^^-5 strongylocentrotus 



f 191J. Ihe 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. 145-164, 18 figg. [Zona pellu- 

 cida furnishes the attraction stimulus for the spermatozoa! 



67 Meyes, f riedrich 13.13 : 49.3 Phallusia 



lyio. 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 Taf , 7 figg 



68 MacCallnm, G. A. , , , . 13.13 : 51.22 Microcotjle 



lyid. ^fertilization and Egg-laying in Microcotyle stenotomi. Science N 

 S. Vol. 37 p. 340—341. 



69 Packard, Charles. 13.13 : 51.7 Nereis 



iyi4. Ihe Effect of Radium Radiations on the Fertilization of Nereis 

 Journ. exper. Zool. Vol. 16 p. 85-129, 3 pis. [Both chromatin and 

 protoplasm affected. Various abnormalities.] 

 93270 Binford, Raymond. 13.13 : 53.842 Menippe 



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

 Memppe mercenaria. Journ. Morphol. Vol. 24 p. 147—202, 9 pis [Sper- 

 matogenesis. Fertilization by eversion of nuclear cup into the eee 1 



71 Nachtsheim, Hans. 13 13 . 57.5,9 Apis 



1913. Cytologische Studien iiber die Geschlochtsbestim'mung bei der 

 Honigbier.e {Ap>s mellifica L.). Arch. Zellforsch. Bd. 11 p. 169—241 4 



nc ^ ^^^ ' ^ '^*^-' ^ ^^S- (Referat, vide B. Z. Vol. 26 No. 86996.) ' 



72 Okkelberg, Peter. . , ^ 13.13 : 7.2 Entosphenus 



1914. Volumetric Changes in the Egg of the Brook Lamprey, Entosphe- 

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

 Michigan No. 141.) Biol. Bull. Woods Hole Vol. 26 p. 92-99, 2 fige' 

 [Decrease in size. Colloidal substance eliminated.] 



7b Sorokina, Marie. , 13.15 : 39.5 



1912. Ueber Synchromismus der Zellteiluneen. Arcli. Eutw.-Mech*. Bd. 

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

 Versuche an Paracentrotus.] 



74 Loeb, Jacques. 13 15 . gg 5 



1913. Die Ursache dor spontanen Furchung beim unbefruchteten Seei^el- 

 ei Arch. Entw.-.Hech. Bd. 36 p. 626-632, 18 figg. [Spontane Membi^an- 

 bilduDg.] 



75 Doucaster, L., and J Gray. 13.15 : .S9.5 Echinus 



Un.i. Cytolngical Observations on the Early Stages of Segmentation of 

 no« ^^'^^'^^'^ Hjbrids. Quart. Journ. niicr. Sc. Vol. 58 p. 483—510, 2 pis 

 93276 Chevroton, Mile., et t. Fnure-Fremiel. 13.15 ; 51.3 Ascaris 



IJld. Etude cinematographique des phenomenes cytoplasmiques de la 



division de I'cBuf d'Ascaru. C. R. Acad. Sc. Paris T. 156 i>. 815-818 



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



Bibliogr. Zool. XXVII Hj^ iyi5 



16 



