2 
CHAETOGNATHA, GASTROTRICHA, ROTIFERA 
PAGE 
Subject Index : — 
Comprehensive and General = 1603 , . 
. . 43 
Structure=1607 
43 
Physiology=1611 
. . 43 
Development= 1615 .. 
..43 
Ethology = 1619 
. . 43 
Variation, Phylogeny= 1 623 
. . 44 
distribution (Geography) = 1627 
. . 44 
Systematic = 1 63 1 : — 
Chaetognatha 
• • 
. . 44 
Gastrotriclm . . 
# . 
. . 44 
Rotifora 
.. 45 
ANNELIDA, GEPHYREA, PTEROBRANCHIATA 
Subject Index : — 
Comprehensive and General = 1803 .. 
• > 
.. 46 
Structure =1807 .. .. 
.. .. 46 
Physiology =1811 .. .. .. 
. . 
, . 47 
Development=1815 . . . . 
. . 
. . 47 
Ethology =1819 
. . 
.. 48 
Variation, Phylogeny= 1823 
. . 48 
Distribution (Geography ) = 1827 
. . 49 
Systematic = 1831 : — 
Annelida 
. . 50 
Archiannelida 
50 
Polycliaeta . . 
. . 50 
Myzostomida . . 
. . 
. . 52 
Oligochaeta .... 
., 52 
Hirudinea 
55 
Echiuroidea (Vacant) 
Gephyrea . . . . 
.. 56 
Phoronidea (Vacant) 
Pterobranchiata 
.. 56 
