VI. VERMIDEA 
‘ *• < ARRANGED BY 
F. A. POTTS 
Tho groups included under Yermidea are — 
( 1 ) PL AT Y HE r jM I NTH ES, NEVIERTINRA, MESOZOA ; (2) NEMA- 
: THE EMI NTHES ; (3) 0 II AETOGN A TH A, ROTLFERA, 
GASTROT RICJHA ; (4) ARGHIANNELIDA, POLYOEtAETA, 
: OL1GOOHAETA; GEPHYREA, PIIORONIS, HIRUBINEA. 
’ * For ENTEROPNEUSTA vide PROCHORDATA • 
•' " CONTENTS' “ 
. ' ' PAGE 
Titles (for the four divisions) . , . . .... .1 3 
* PLATYHELMINTHES, NEMERTINEA and MESOZOA 
Subject* Index-:* — ° * ** ,, . 
General = 1 203 . . * . . •* . . ’ . . •• .. , . . ' . . 22 
/Structures 1207 .. ‘ .. . .. , ( J2 
1 Physiology^ 1211' ' . . *• . . “ 6 .. , .... ... 23 
c [Development = 1215 . . • * . . * • . . * * ; %3 
^ Ethology —1219 - • . . * * . . • * . . " • . . . . . . 24 
Vari ition=1223 . . . . : V. ; : ’ 24 
? Distributions 1227 , .... .. «. .... .. ' j. 24 
Systematic Index=1231: — •• 
PJatyhelminuhes .. " .. ** . . c * . . '. i ... 22 
Turbellaria . . •* • ** . . . . ° • . . . 25 
. Trematoda . . - • . . - ■ r . . 27 
; Gestoda 1 ” .. .. •• .. • .. .. .29 
Nemertinea^ c . . *• , . •• . . - n . . ° 5 .. . . 32 
Mesozoa . . . . . . . . . . . . . . 33 
(n-9720 o) b 11 
