2 
CHAETOGNATHA, GASTROTRICHA, ROTIFERA. 
Subject Index : — 
Comprehensive and General = 1603 
Structure =1607 
Physiology = 1 61 1 
l)ovelopmont=1615 .. 
Ethology = 161 9 
Variation, Phytogeny = 1623 
Distribution (Geography) = 1627 
Systematic = 1631 : — 
Chaetognatha . . 
G astro tricha 
Rotifera 
PAGE 
39 
40 
40 
40 
40 
40 
40 
41 
41 
41 
ANNELIDA, SIPUNCULOIDEA, PH0R0NIDEA, 
INCERTAE SEDIS. 
Subject Index : — 
Comprehensive and General =1803 .. .. .. ..42 
Structure=1807 .. .. .. .. .. ..42 
Physiology =18 11 .. .. .. .. .. ..43 
Development=1815 .. .. .. .. .. ..43 
Ethology =1819 .. .. .. .. .. ..44 
Variation, Phylogeny= 1823 . . .. .. .. .. 44 
Distribution (Geography) = 1827 .. .. .. .. 44 
Systematic = 1831 : — 
Annelida . . . . . . . . . . . . 46 
Archiannelida . . . . . . . . . . . . 46 
Pol} r chaeta . . . . . . . . . . . . . . 46 
Myzostomida . . . . , . . . . . . 48 
Qligochaeta .. .. .. .. .. .. ..48 
Hirudinea . . . . . . . . . . . . 50 
Echiuroidea .. .. .. .. .. .. .. 51 
Sipunculoidea .. .. .. . , .. .. ..51 
Phoronidea . . . . . . . . . . . . 51 
Iucertae sedis . . . . . . . . . u . . 51 
