2 
CHAETOGNATHA, GASTROTRICHA, KINORHYNCHA, 
ROTIFERA. 
PAGE 
Subject Index : — 
Comprehensive and General = 1603 .. .. .. 25 
Structuro=1607 . . . . , . .. .. ..25 
Physiology =1611 .. .. .. .. .. ..25 
Development= 1615 .. .. .. .. .. ..25 
Ethology=lG19 .. . . .. .. .. ..25 
Variation, Phylogeny= 1623 . . .. .. .. .. 26 
Distribution (Geography) =1627 .. .. .. .. 26 
Systematic=1631 : — 
Chaetognatha . . . . . . . . . . . . . 26 
Gastrotricha (vacant). 
Kinorhyncha (vacant). 
Rotifera . . . . . . . . . . . . . . 26 
ANNELIDA, SIPUNCULOIDEA, PRIAPULOIDEA. 
PHORONIDEA, PTEROBRANCHIATA. 
Subject Index : — 
Comprehensive and General = 1803 ., .. .. ..27 
Structure =1807 .. .. .. .. .. ..27 
Physiology =1811 .. .. .. .. .. ..28 
Development =1815 .. .. .. .. .. ..28 
Ethology =1819 .. .. .. ..28 
Variation, Phylogeny= 1823 . . .. .. .. ..28 
Distribution (Geography) = 1827 .. .. .. ..28 
System ati c = 1 83 1 : — 
Annelida . . . . . . . . . . . . 29 
Archiannelida (vacant). jKfj 
Polychaeta . . . . . . . . . . . . . . 29 
Myzostomida. . . . . . . . . . . . . 30 
Oligochaeta . . . . . . . . . . . . . . 30 
Ilirudinea .. .. .. .. .. .. ..31 
Ecliiuroidea (vacant). 
Sipunculoidea (vacant). 
Priapuloidea (vacant), 
Phoronidea (vacant). 
Pterobranchiata (vacant). 
