23 Verm. 
Subject Index. — Physiology. 
1811 
CHAETOGNATHA, GASTRO- 
TRICHA, ROTIFERA. 
SUBJECT INDEX. 
COMPREHENSIVE AND GENERAL. 
1603 
Bibliography. 
Woodcock, 239. 
STRUCTURE. 1607 
[Vacant.] 
PHYSIOLOGY. 1611 
Environmental Effects. 
Schaedel, 187. 
DEVELOPMENT. 1615 
Oogenesis. 
Bordas, 22 ; Hartmann* 102. 
ETHOLOGY. 1619 
Bionomics. 
Heuscher, 108 ; Schaedel, 187. 
Plankton. 
Allen, 2 ; Heuscher, 108 ; List, 134. 
VARIATION, PHYLOGENY. 1623 
Variation. 
Hartmann, 101. 
DISTRIBUTION (GEOGRAPHY). 
1627 
Europe. 
Brehm, 35 & 36 ; Vanholfen, 229. 
A frica. 
Cunnington, 59. 
SYSTEMATIC. 1631 
(a) Chaetognatha. 
[Vacant.] 
(b) Gastrotricha, 
Chaelonotus heidcri sp. n. Franzcns- 
baderMoor; Brehm Arch. Hydro biol. 
11 p. 315 1 text-fig. 
(c) Rotifera. 
Anuraea aculcala and other Rotifera, 
study of polymorphism and variation ; 
Hartmann Arch. Hydrobiol. 12 
pp. 209-310 89 text-figs. 
ANNELIDA, GEPHYREA, 
PH0R0NIDEA, 
PTEROBRANCHIATA. 
SUBJECT INDEX. 
COMPREHENSIVE AND GENERAL. 
1803 
Bibliography. 
Woodcock, 239. 
Museum Collections. 
Wessely, 238. 
Technique. 
Boule, 29. 
STRUCTURE. 1807 
General Anatomy. 
Annelida. 
Beddard, 19 ; Haswell, 103 ; Jegen, 
117 ; Johnst4n & Tiegs, 120 ; Lam, 131 ; 
Prashad, 175 ; Shannon, 190 ; Soder- 
strom, 196. 
Alimentary Canal. 
Eeilin, 125. 
Glands. 
Hammarsten & Runnstrom, 99. 
Excretory System. 
Boveri-Boner, 32. 
Nervous System. 
Boule, 28. 
PHYSIOLOGY. 1811 
Secretion. 
Hammarsten & Runnstrom, 99 ; 
Keilin, 125. 
