VI. VERMIDEA 
ARRANGED RY 
R. W. HAROLD ROW. 
CONTENTS 
PAGE 
Titles (for all groups) . . . . . . . . . . . . 3 
PLATYHELMINTHIA, NEMERTINEA, MESOZOA. 
Subject Index: — 
Comprehensive and General = 1203 .. .. .. .. 15 
Structure =1207 .. . . .. .. .. .. 15 
Physiology=1211 .. .. .. .. .. ..15 
Development=1215 .. .. .. .. .. .. 15 
Ethology = 1219 .. .. .. .. .. ..15 
Variation, Phylogeny=1223 . . . . . . . . . . 16 
Distribution (Geography) =1227 . / .. .. .. 16 
Systematic = 1231 : — 
Platyhehninthia . . . . . . . . . . . . 16 
Turbellaria . . . . . . . . . . ..16 
Trematoda .. .. .. .. .. .. ..17 
Cestoda . . . . . . . . . . . . . . 18 
Nemertinea .. ,. .. .. .. .. ..19 
Mesozoa . . . . . . . . . . . . 20 
NEMATHELMINTHIA. 
Subject Index : — 
Comprehensive and General = 1403 .. .. .. ..20 
Structure =1407 .. .. .. .. .. ..20 
Physiology=141 1 .. .. .. .. .. ..20 
Development = 1415 .. .. .. .. ,. ..20 
Ethology=1419 .. .. .. .. .. ..20 
Variation, Phytogeny =1423 . . . . . . . . . . 21 
Distribution (Geography)= 14 27 .. .. .. .. 21 
Systematic = 1431 : — 
Nematoda . . . . . . . . . . . . . . 21 
Nematomorpha . . . . . . . . . . . . 25 
Acauthocephala . . . . . . . . . . . . 25 
(n-9974 o) b 6 
