24 Elchin. 
V. Echinoderma. 
[1912] 
8. Digestive system. 
Jatvs and Perignathic girdle in 
Holecty poida and Clypeastroida ; Haw- 
kins, 191 : Aristotle’s lantern and peri- 
gnathic girdle of Echini, especially 
Strongylocentrotus ; Jackson, 220. 
Pharynx of Asteroidea ; Simroth, 378. 
9. Nervous system, etc. 
Statoliths and other nervous struc- 
tures in Solaster endeca ; GemmiU, 159 : 
Ocular plates of Echini ; Jackson, 220. 
10. Mesodermal tissues. 
Cytology of muscles ; Prenant, 343. 
12. Generative organs. 
Genital plates of Echini ; Jackson, 
220 . 
PHYSIOLOGY. 1011 
1. General. 
Driesch, 136: Ludwig & Hamann,302. 
Locomotor, etc., functions of Lantern 
in Echinus ; GemmiU, 164 : righting 
movements of starfish ; Moore, 320. 
Impossibility of precision in studying 
physiological cycles in Ech ; Bohn, 36. 
3. Respiration, 
Of Irregular Echinoids; Hawkins. 
191 : of Asteroids ; Bohn, 37 & 38. 
Consumption of oxygen in proportion 
to size ; Buytendijk, 59. 
L’effet de l’inanition sur la larve de 
1’Oursin ; Runnstrfim, 364. 
4. Alimentation, etc. 
Adaptation of feeding habits to 
environment in Ast. Clarke, 96. 
Methods of feeding among Irregular 
Echinoids ; Hawkins, 191. 
6. Excretion. 
Chez la 1 arve de Strongylocentrotus ; 
Runnstrom, 363. 
Statozyston im Synapta ; Buddenbrock, 
56. 
7. Experimental. 
Henneberg, 200 : Henze, 202. 
Regenerationsphysiologie bei Ophiu- 
ren ; Morgulis, 325. 
Influence of extracts from Ech. on 
blood-pressure ; Brown & Joseph, 51 : 
Attempt to form Cytolysins and Precipi- 
tins in Ech ; Drew, 135 ; Influence of Ox- 
blond serum on ova of Ech. ; Robertson, 
358 & 359. 
Narcosis of Ech. by Alcohol ; Fiihner, 
155. 
Arsenic occurring in Ech. ; Beitrand, 
29. 
Chromatin-formation ; Boveri, 44. 
Rendering resistant sturfish eggs 
normal ; Lillie, 275. 
Osmotic and surface tension phenomena 
of cells ; McClendon, 307 : on internal 
fluids of Ech. ; Russo, 367 & 368. 
Cytological experiments in Ech. ; 
Bonnevie, 40. 
Reactions of sea urchins and starfish 
to light ; Cowles, 109. 
Influence of ultra-violet light ; Henri 
& Henri, 201: of Radium on Cells; 
Hertwig, O., 209 & 210. 
Coagulation of blood in Ech. ; Bot- 
tazzi, 42. 
Abhiingigkeit der Kernplasmarelation 
von der Temperatur und vom Reifezus- 
tand der Eier bei Strongylocentrotus ; 
Koehler, 241. 
Die relative Giftigkeit von distillierten 
Wasser u.s.vv. fur Seetiere ; Loeb, 281. 
Anticytologische Wirkung von Salzen 
mit zweiwertigen Metallen; Loeb, 285. 
Theory of tropisms Loeb, 283. 
DEVELOPMENT. 1015 
1. General Principles. 
Natural parthenogenesis ; L6caiUon, 
267. 
2. General accounts. 
Acloque, 1 & 2 ; Ludwig & Hamann, 
302. 
Of crinoidea; Clark, A. H., 74. 
Of Solaster endeca ; GemmiU, 159. 
