24 Verm. 
Vl. Vermidea. 
[ 1917 ] 
STRUCTURE. 1807 
General Anatomy. 
POLYOHAETA. 
Bergstrom, 18 ; Borg, 24 ; Ditlevsen, 
59 ; Hessle, 89 ; Horst, 94 ; Livanoff, 
123. 
Hirudinea. 
Blanchard, 22 ; Oka, 149 ; Ryerson, 
169. 
Phoronidea. 
Harmer, 87. 
Muscular System. 
Charrier, 36 ; M'Intosh, 130. 
Genital Organs. 
Bonnet, 23 ; Stephenson, 197a. 
Histology, Cytology. 
Abbott, 1 ; Fauvel, 67 ; Harvey, 88 ; 
Leigh- Sharpe, 118; Stephenson, 197. 
PHYSIOLOGY. 1811 
Respiration. 
Abbott, 1. 
Digestion. 
Stephenson, 197. 
Environmental Effects. Response 
to Stimuli. 
Child, 38 ; Garrey & Moore, 74 ; 
Moore & Kellogg, 140 ; Welch, 228. 
DEVELOPMENT. 1815 
Asexual Reproduction. 
Beauchamp, 12. 
Development. 
Arcuiiannelida. 
Beauchamp, 12. 
POLYOHAETA. 
Charrier, 36 ; Child, 38 ; Mesnil & 
Caullery, 137 ; Schneider, 174 ; Soulier, 
195 ; Ziegler, 245. 
Pterobranchiata. 
Gilchrist, 77. 
Larval development. 
Meek, 133- 
ETHOLOGY. 1819 
Bionomics. 
Greuter, 81 ; Welch, 228a. 
Plankton. 
Lebour, 114. 
Symbiosis. 
Gravier, 80 ; Monticelli, 139. 
Parasitism. 
Delanoe, 51 ; Mesnil & Caullery, 136 ; 
Seyfurth, 183. 
VARIATION, PHYLOGENY. 1823 
Classification, Phylogeny. 
Fauvel, 67 ; Hessle, 89 ; Rosa, 165a ; 
Stephenson, 197b. 
Variation. 
Bonnet, 23. 
Dimorphism. 
Mesnil & Caullery, 137. 
Teratology. 
Weber, 226a. 
DISTRIBUTION. 1827 
1. Recent. 
General. 
Benham, 17 ; Germain & Joubin, 76 ; 
Hessle, 89. 
Europe. 
Borg, 24 ; Carr, 33a ; Dequal, 51a 
Greuter, 81 ; Rioja, 162. 
Asia. 
Horst, 94 ; Stephenson, 197a & 197b. 
