TABLE OF CONTENTS. 



Pago. 



Title of Volume XII of the Final Reports i 



Letter to the Secretary - iii 



Title of Fresh-water Rhizopods v 



Letter of Transmittal vii 



Table of Contents is 



Introduction - 1 



General Remarks on the Rhizopods 4 



Fresh-water Rhizopoda , 23 



Protoplasta - 23 



Protoplasta Lobosa 23 



Aniccba 30 



Amoeba proteus 30 



verrucosa 53 



radiosa 58 



villosa 62 



Ourarnceba 66 



Ourainoeba vorax - 67 



botulicauda 71 



Pelomyxa -. - 72 



Pelomyxa villosa 76 



Dinamoeba 80 



Dinamoeba mirabilis 81 



Hy alodiscus - 94 



Hyalodiscus rubicundus 94 



Difflugia 95 



Difflugia globulosa 96 



pyriformis 98 



urceolata *- 106 



cratera - 108 



acuminata 109 



lobostoma 112 



arcula 116 



corona - - 117 



constricta - 120 



spiralis 124 



Hyalosphenia 128 



Hy alosphenia cuneata 129 



papilio 131 



tincta 138 



elegana 140 



Quadrula 142 



Quadrula symmetrica 142 



Nebela \ 145 



Nebela collaris 145 



ix 



