VI. VERMIDEA 
ARRANGED BY 
11. W. HAROLD ROW. 
CONTENTS 
PAGE 
Titles (for all groups) . . . . . . . . . . . . 3 
PLATYHELMINTHIA, NEMERTINEA, MESOZOA. 
Su eject Index: — 
Comprehensive and General = 1203 . . .. .. .. 19 
Structure =1207 .. .. .. .. .. .. 19 
Physiology=121 1 .. .. .. .. .. .. 19 
Development=1215 .. .. .. .. .. ..20 
Ethology =1219 20 
Variation, Phylogeny= 1223 . . .. .. .. .. 20 
Distribution (Geography) =1227 .. .. .. ..20 
Systematic = 1231 : — 
Platyhelminthia . . . . . . . . . . . . 21 
Turbellaria .. .. .. .. .. .. ..21 
Trematoda .. .. .. .. .. .. .. 21 
Cestoda . . . . . . . . . . . . . . 24 
Nemertinea . . , . . . . . . . . . . . 26 
Mesozoa . . . . . . . . . . . . . . 26 
NEMATHELMINTHIA. 
Subject Index : — 
Comprehensive and General= 1403 .. .. .. ..26 
Structure = 1407 .. .. .. .. .. ..27 
Physiology=14l 1 .. .. .. .. .. ..27 
Development=1415 .. .. .. .. ,. ..27 
Ethology = 1419 .. .. .. .. .. ..27 
Variation, Phylogeny= 1423 . . .. .. .. .. 28 
Distribution (Geography)== 14 27 .. .. .. .. 28 
Systematic= 1431 
Nematoda . . . . . . . . . . . . 28 
Nematomorpha . . . . . . . . . . 33 
Acanthocephala . , . . . . , . . . 33 
tN-8913 o) a 9 
