15 Echin. 
Subject Index — Ethology. 
1007, 1019 
6. Hydrocoel, etc. 
Gemmill, 75 & 76. 
8. Digestive system. 
Gemmill, 71. 
9. Nervous system. 
Bauer, 12. 
12. Generative organs. 
Herwerden van, 101. 
PHYSIOLOGY. 1011 
1. General. 
Clark, 31 & 32; Kossel & Edlbacher, 
115 ; Montuori, 145. 
3. Respiration. 
Gemmill, 71. 
4. Alimentation. 
Gemmill, 71. 
5. Excretion. 
Dubois, 63 ; Fosse, 70 ; Herwerden 
van, 101 ; Krueger, 116 ; Moore, 
Whitley & Adams, 147 ; Moore, Whitley 
& Webster, 148; Wester, 216. 
6. Sensation. 
Clark, 42 ; Cowles, 54 ; Hess, 102. 
7. Experimental. 
Bertolo, 14 ; Clark, 42 ; Crozier, 58 ; 
Harvey, 90; Nolf, 155; Ruediger & 
Davis, 182. 
DEVELOPMENT. 1015 
1. General Principles. 
Bather, 7 ; Clark, 26. 
2. General accounts. 
Schuchert, 190. 
3. Formation of Gonads. 
Gemmill, 75; Gray, 85; Moore, 
Whitley & Adams, 147 ; Mortensen, 149 ; 
Retzius, 179. 
4. Oviposition, etc. 
Brachet, 16 & 17 ; Cary, 22 ; Gemmill, 
73 & 75 ; Grave, 84 ; Harvey, 89 ; Heil- 
brunn, 91 ; Herbst, 94 ; Herlaut, 96 & 
97 ; Lichti, 121 ; Lillie, 122, 123 & 127 ; 
Loeb, 129 & 132; McClendon, 137 { 
Mortensen, 149 ; Ohshima, 159. 
5 Larval stages. 
GemmiU, 71, 73, 74, 75 & 76; Herbst, 
94 ; Medes, 138 ; Mortensen, 149 & 
150; Nachtsheim, 152 ; Runnstrdm, 
183 & 184; Terni, 206; WUson, 219; 
Ziegler, 224. 
8. Experimental Embryology. 
BataiUon, 5 ; Brachet, 16 & 17 ; De- 
lage & Goldsmith, 61 ; Dustin, 65 ; Glaser, 
79, 80 & 81 ; Goldfarb, 82 & 83 ; Gray, 85 ; 
Heilbrunn, 91 & 92 ; Herlant, 96 & 97 ; 
Lillie, 123, 124, 125, 126, 127 & 128 ; 
Loeb, 130, 131 & 132; Moore, 146; 
Richards & Woodward, 180 ; Runn- 
striim, 183 ; Tennent, 205 ; Woodward, 
220 . 
ETHOLOGY. 1019 
1. General accounts. 
Bather, 7 ; Clark, 31. 
2. Special habits. 
Strauss, 203. 
3. Habitat. 
Beauchamp & Zaclis, 13; Clark, 27, 
32 & 42 ; Southern, 197. 
4. Feeding. 
Blegvad, 15; Clark, 41. & 42; Gem- 
miU, 75 ; Milligan, 142 & 143. 
5. Defence and protection. 
Milligan, 144. 
6. Locomotion. 
Clark, 42 & 43 ; Cowles, 54 ; Gemmill, 
75 ; Schmalz, 186. 
7. Autotomy and Regeneration. 
Crozier, 57 ; Milligan, 141 ; Nusbaum 
& Oxner, 157 ; Runnstrom, 184 ; Scha- 
piro, 185. 
8. Parasites and Commensals. 
Cosmovici, 51 Herpin, 100 ; Jacobs, 
108 ; Pearson, 162 ; Pixell-Goodrich, 
170 ; Potts, 173 & 174. 
12. Geological aspect. 
Kew, 110. 
