21 Verm. 
vi. Vermidea. 
[1920] 
Nervous Functions. 
Bovard, 30 & 31. 
Sexuality. 
Malaquin, 142 ; Nachtsheim, 161. 
REPRODUCTION AND DEVELOP- 
MENT. 1815 
Asexual Reproduction. 
Caullery & Mesnil, 39 ; Malaquin, 
142. 
Regeneration. 
Janda, 115. 
Spermatogenesis, Oogenesis, etc. 
de Baehr, 6 ; Goodrich, 94 ; Kho- 
mova, 126 ; Mehra, 150 ; Nachtsheim, 
161. 
Oviposition. 
Delphy, 62. 
Embryogeny. 
Aiyer, 1 ; Delphy, 63 ; Dimpker, 68 ; 
Soderstrom, 196. 
Larval Forms. 
Apstein, 5 ; Peacock, 169 ; Soulier, 
198. 
ETHOLOGY. 1819 
Bionomics. 
Aiyer, 1 ; Jegen, 117 ;' Malaquin, 
142 ; Smith, 192 ; Watson, 234. 
Parasitism. 
Jegen, 117. 
VARIATION, PHYLOGEN V. 1823 
Variation. 
Prashad, 175. 
Phylogeny, Classification. 
Michaelsen, 152 ; Welch, 236. 
DISTRIBUTION (GEOGRAPHY.) 
1827 
l. Recent (Geographical). 
Europe. 
Beddard, 19 ; Friend, 82 ; Horst, 
113 & 114; Renouf, 180; Rosa, 183; 
Vanhoffen, 229 ; Wessely, 237. 
Asia. 
Annandale, 3 ; Ehlers, 71 ; Harding, 
100 ; Hoagland, 110 ; Prashad, 174 & 
175 ; Stephenson, 204 ; Treadwell, 
215. 
A frica. 
Cunnington, 59 ; Johansson, 118. 
Australia. 
Haswell, 103 & 104. 
America. 
Treadwell, 217. 
Arctic. 
Chamberlin, 44 & 45 ; Smith, 193 ; 
Welch, 235. 
2 . Fossil (Geological). 
Tertiary. 
Clark, 49. 
Secondary. 
Jaworski, 116, 
Primary. 
Bassler, 8 ; Bather, 9 ; Richter, 181. 
SYSTEMATIC, 1831 
1. Annelioi. 
(a) Archiannelida. 
Prolannelis gen. n., meycri sp. n., 
a now Archianneliil, described ; Lam 
Tijdschr. Ned. Dierk. Vor. (2) 18 pp. 44- 
84 pi. i. 
(f>) Polychaeta. 
Poly chaeta, notes ; Chambeulin Rep 
Canad. Arctic Exped. 9 Pt. B pp. 1-41 
C pis. 
Polychaeta, Java and Amboina, 
notes on ; Ehlers Abh. Ges. Wiss. 
Gottingen 10 No. 7 pp. 1-73 pis i-iii. 
Polychaeta ( Syllulae & Autolytidae) p 
Australia, described ; Haswell Proc. 
Linn. Soc. N.S.W. 45 pp. 90-112 
pis. x-xiii. 
