24 Echin. 
V. Echinoderma. 
[1913] 
8. Experimental Embryology. 
Bierens de Haan, 19 & 20 : Godlewski, 
88 : Teichmann, 305 : Wetzel, 348. 
Homogene und heterogene Keim- 
verschmelzungen bei Ech. ; Bierens 
de Haan, 18. 
Einwirkung dor Tomporatur 0° C. 
auf die Entwioldung dor Echinidoneicr ; 
Bury, 28 : Temperature coefficient of 
cytolysis in unfertilized eggs of 
Strong ylocentrotus ; Moore, 170 : 
Electrical conductivity of fertilized 
and unfertilized eggs ; Gray, 91. 
Artificial parthenogenesis ; Heil- 
brunn, 99 : Lloyd, 130 : Loeb, 131 & 
132. 
Hybridization ; Fuchs, 79 : Moore, 
171 : Newth, 186 : Tennent, 308 & 
309. 
Production of grafted embryos ; 
Goldfarb, 89. 
Action du sperme d’AnnMides sur 
la d6veloppement de l’ceuf d’Oursin ; 
Brachet, 23 : of extracts of ova, etc., 
on spermatozoa ; De Meyer, 160 : 
Extraction of substance from the 
sperm of Strong ylocmtrotus which will 
fertilize the eggs ; Robertson, 242. 
Effects of injury upon fertilizing 
power of sperm ; Dungay, 63. 
Initiation of development of Arbacia 
with dilute sea water ; Glaser, 87 : 
Effoct of hypertonio solutions on eggs 
of Echinus ; Gray, 92 : of alkalies, 
etc., on cell division in ova of Echinus ; 
Moore, Roaf & Whitley, 172 : of 
Na Cl. ; Warburg, 342. 
ETHOLOGY. 1019 
1. General accounts. 
Janson, 109 : Jordan & Kellogg, 111 : 
P6rez, 213 : Winkler, 357. 
Activity and repose in Ech. ; Poli- 
manti, 223. 
Of Cyst . ; Bather, 11 : Woodward, 
363. 
Beginnings of dependent life ; 
Clarke, 45. 
2. Special habits. 
Coordination and righting move- 
ments in Asterias ; Cole, 48. 
Adaptation of Ordovician Cyst, to 
shallow water conditions; Bather, 11. 
3. Habitat. 
Of Ech. in Irish Sea ; Massy, 151 ; 
of recent Crin. ; Clark, A. H., 35. 
Of Mediterranean Neogene Ech. ; 
Cottreau, 52. 
Influence of surroundings on move- 
ment of Ech. ; Dubois, 62 : on evolu- 
tion of Cretaceous Ast. ; Spencer, 290. 
4. Feeding. 
Nahrungsaufnahme der Spatangiden ; 
Gandolfi-Hornyold, 80. 
Influence, of size of visceral sac on 
evolution of Cretaceous Ast. ; Spencer, 
290. 
5. Defence and Protection. 
Colours of Ech. are not protective ; 
Thomson, 312. 
6. Locomotion. 
Of Starfish and Sea Urchins ; 
Stirling, 297. 
Of Dendrocystis, Pleurocystis and 
other Pehnatozoa ; Bather, 11. 
Recurrent freedom of Carboniferous 
(and other) stalked Crin. ; Bather, 10. 
7. Autotomy and Regeneration. 
Autotomy ; Pi6ron, 222. 
In Linckia ; Clark, H. L., 44. 
Presumed growth of fresh columnals 
at distal end of severed Crin. stems 
from Roscobie ; Bather, 10. 
Assumption of elcutherozoic habit 
in Cyst. ; Bather, 11. 
Regeneration ; Morgan, 174 : 
Thesing, 310 : Triepel, 321. 
Under experimental conditions ; 
Stockard, 298. 
Influence of age and degree of 
injury ; Zeleny, 369 & 370. 
