389 
Embryologia. 
88844  Tennent,  Dayid  H.  13.9  : 39.5 
1909.  Experiments  in  Echinoderm  Hybridization.  8th  Yearbook  Carne- 
gie Inst.  Washington  p.  136—138. 
45  Mathews,  A.  P.  13.9  î  39.5  Arbacia 
1909*  The  Influence  of  Some  Amino-Acids  on  the  Development  of  Echi- 
noderms.   Biol.  Bull.  Vol.  16  p.  44—46. 
46  Payne,  Fernandus.  13.9  :  39.5  Arbacia 
1909.  The  Separated  Elastomeres  of  Centrifuged  Eggs  of  Arbacia.  Science 
N.  S.  Vol.  30  p.  934—935.  [Separation  of  visible  materials  without  influ- 
ence on  production  of  plutei.] 
47  Borinar,  Alice  M.  13.9 :  51.3  Ascaris 
1909.  On  the  Effect  of  Différent  Températures  on  the  Sitze  of  the  Nu- 
clei  in  the  Embryo  of  Ascaris  megalocephala  with  Remarks  on  the  Size-Re- 
lation  of  the  Nuclei  in  univalens  and  bivalens.  Arch.  Entw.-Mech.  Bd. 
28  p.  118-124,  2  pis.  • 
48  Boveri,  Th.,  und  M.  J.  Hogue.  13.9  :  51.3  Ascaris 
1909.  Ueber  die  Möglichkeit,  Ascarîs-'Eio.x  zur  Teilung  in  zwei  gleich- 
wertige Blastomeren  zu  veranlassen.  Sit.-Ber.  phys.  med.  Ges.  Würz- 
burg 1909  p.  44—48,  5  figg.  [Teilung  unter  der  Einwirkung  starker 
Zentrifugalkraft.  Erste  Teilungsebene  senkrecht  auf  der  künstlichen  Schich- 
tung. Furchung.] 
49  Stevens,  N.  M.  13.9  :  51.3  Ascaris 
1909.  The  Effect  of  Ultra- Violet  Light  upon  the  Developing  Eggs  of 
Ascaris  megalocephala.    Arch.  Entw.-Mech.  Bd.  27  p.  622—639,  3  pis. 
50  Kostanecki,  K.  13.9  :  51.7  Aricia 
1909.    Einleitung  der  künstlichen  Parthenogenese  bei  Aricia.  Bull,  intern. 
Acad.  Sc.  Cracovie  1909  Sém.  1  p.  238—253,  16  figg. 
38851  Lilie,  Frank  R.  13.9  : 51.7  Chaetopterus 
1909.  Polarity  and  Bilaterality  of  the  Annelid  Egg.  Experiments  with 
Centrifugal  Force.   Biol.  Bull.  Vol.  16  p.  54—79,  9  figg. 
52  Whitney,  David  Day.  13.9  :  51.8  Hydatina 
1909.  The  Effect  of  a  Centrifugal  Force  upon  the  Development  and  Sex 
of  Parthenogenetic  Eggs  of  Hydatina  senta.  Journ.  exper.  Zool.  Vol.  6 
p.  125-146,  1  pl.,  5  figg. 
53  Schiller,  L  13.9  :  53.4  Cyclops 
1909.  Ueber  künstliche  Erzeugung  „primitiver"  Kernteilungstormen  bei 
Cyclops.    Arch.  Entw.-Mech.  Bd.  27  p.  560—609,  62  figg. 
54  Hegner,  R.  W.  13.9  :  57.68  Chrysomelidae 
1909.  The  Effects  of  Centrifugal  Force  upon  the  Embryonic  Development 
of  some  Chrysomelid  Beetles.  llth  Uep.  Michigan  Acad.  Sc.  (Darwin 
Centenary  Public.)  p.  123—125.  —  The  Effects  of  Centrifugal  Force  upon 
the  Eggs  of  Some  Chrysomelid  Beetles.  Journ.  exper.  Zool,  Vol.  6  p. 
507—552,  24  figg. 
55  Reiff,  William.  13.9  :  57.89  Junonia 
1909.  Contributions  to  Expérimental  Entomology.  L  Junonia  coenia  Hüb- 
NEK.  (Contrib.  entom.  Lab.  Bussey  Inst.  Harvard  Univ.  No.  1.)  Journ. 
exper.  Zool.  Vol.  6  p.  553—569. 
56  Chapman,  T.  A.  13.9  :  57.89  Pieris 
1909,  Température  experiments  with  pupae  of  Pieris  brassicae.  Trans, 
entom.  Soc.  London  1909  p.  LVIÏ— LVIII,  1  pL 
57  Cooke,  Elizabeth,  and  Leo  Loeb.  13.9  :  7.55  Fundulas 
1909.  The  comparative  toxicity  of  sodium  Chloride  and  of  staining  so- 
lutions upon  the  embryo  of  Fundulus.  Proc.  Soc.  exper.  Biol.  Med.  Vol. 
6  p.  113-115. 
58858  Stockard,  Charles  R.  13.9  :  7.55  Fundulus 
1909.  The  Development  of  Artificialy  Produced  Cyclopean  Fish  —  „The 
Magnesium  Embryo".  Journ.  exper.  Zool.  Vol.  6  p.  285—337,  63  figg., 
1  pl.  _  The  Artiflcial  Production  and  the  Development  of  One-eyed  Mon- 
sters.   (Amer.  Soc.  Zool.)    Science  N.  S.  Vol.  29  p.  429. 
25.  IL  1911. 
■■i 
