16 Echin. 
V. Echinoderma. 
[1907] 
Artificial parthenogenesis through 
momentary elevation of temperature, 
Asterias forbsii; Lillie, 140. 
Artificial parthenogenesis and fertiliza- 
tion in the same egg; Loeb, 145. 
Artificial parthenogenesis ; Delage, 63, 
64, 65, 66 ; Delage & Beauchamp, 67. 
Segmentation, investigation of physical 
factors ; Spaulding, 207. 
Mode of segmentation influenced by 
ripeness of ova, Ophiothrix ; MacBride, 
154. 
Action of C0 2 on fertilised and un- 
fertilised ova of Asterias forbesi ; 
Tennent & Hogue, 212. 
Influence of light on development ; 
Loeb, 149. 
Influence of light of different wave- 
lengths on segmentation; Fuchs, 88, 
p. 519. 
Influence of dye-stuffs on develop- 
ment; Loeb, 149. 
Development of centrifugalized eggs ; 
Lyon, 153. 
Organogeny. 
Coelome and liydrocoele, Ophiothrix ; 
MacBride, 154. 
Ambulacral appendages, Ilolothuria ; 
Edwards, 79. 
Skeleton, Anasterias ; Koehler, 130. 
Spicules, Synapta and ‘ Aurieularia ’ 
larva; Woodland, 230. 
Larval Organs. 
“Umbilical cord,” Anasterias; 
Koehler, 130. 
Regeneration. 
Antedon ; Chadwick, 39. 
Corona, Bathyerinus ; Doderlein, 74, 
p. 6. 
Spines and jjedicellariae of Echini ; 
Poso, 187. 
Synaptidae ; Clark, 52, p. 65. 
ETHOLOGY. 1019 
General. 
Antedon bifida ; Chadwick, 39. 
Asterias forreri; Jennings, 115. 
Synaptidae ; Clark, 52, p. 66. 
Molpadiidae ; Clark, 52, p. 154. 
Rhabdomolgus ruber ; Becher, 19. 
Habit forming; Jennings, 116, 117. 
Intelligence, experimental investiga- 
tion in 0 phi ura ; Glaser, 98. 
Problemsolving; Jennings, 116. 
Tropisms. 
Pliototropism, Asterias rubens ; Bohn, 
25. 
Locomotion. 
Locomotion and movements, Ophiura ; 
Glaser, 98. 
Locomotion, Amphiura etc. (use of 
mucus) ; Ster^inger, 208 p. 378. 
Feeding Habits. 
Echinoidea ; Schmalz, 200. 
Breeding Habits. 
Synaptidae ; Clark, 52, p 66. 
Incubation, Anasterias ; Koehler, 130. 
Luminosity. 
Amphiura ; Sterzinger, 208. 
Habitat. 
Crinoida, origin of free habit ; 
Doderlein, 74. 
Rock-boring, Ec.liinometra ; Verrill, 
219, pp. 151, 324. 
Brackish water, occ. few spp. ; Roule, 
195. 
Parasites, Commensals, etc. 
Parasites of Antedon bifida; Chad- 
wick, 39. 
Fish (Fierasfer a finis) in Stichopus 
mocbii; Linton, 141. 
Fish (Fierasfer homei ) in Stichopus ; 
Fisher, 84, p. 678. 
Gastropod (Eulima) on Ptiloerimis; 
Bartsch, 9 ; Clark, 48. 
Myzostoma on Opliiacantha , etc. ; 
Koehler, 132. 
