INDEX. 147 
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Arcella Okeni Perty . 126 | Dactylospheria ads 
patens Clap. & Lachm. 120 Bitsch. . ‘ 68 
peristicta Khrenb. . 128 radiosa Laness. 66 
stellaris Perty 126 radiosum Bitsch. . 66 
stellata Ehrenb. 126 | Dactylospherium Hertw. & 
viridis Perty 120 Less. 64 
vulgaris Hhrenb. . . 118 polypodium (Maz Sch.) 
var. angulosa (Perty) Biitsch. : 67 
Leidy. . 121 radiosum (Hhrenb.) Biitsch. 64 
var. compressa Cash 188 vitrewm Hertw. & Less. . 68 
var. discoides Issel 123 | Der Kleine Proteus Résel 4] 
var. gibbosa (Penard) Difflugia Perty 131 
G. S. West . 121 | Diglugia Wallich 117 
ARCELLIDA 115 aculeata Perty 132 
Arcellina Canton 181 arcella Wallich . 120 
Arcellina Carter 117 | Echinopyxis Clap. & Lachm. . 131 
aculeata Canton 132 aculeata Clap. & Lachm.. 133 
dentata Carter 126 australis Lendenf. . 133 
vulgaris Carter 120 ? hemispherica Barnard . 138 
Archerina Ray Lank. . 112 | Gymnophrys Cienk. 86 
Boltoni Ray Lank. 113 cometa Cienk. 86 
Astrameba radiosa Vejdovs. 66 | Guttulidium guttula Frenz. 55 
Biomyxa Leidy 88 | Heliophrys Greeff 109 
vagans Leidy . 88 variabilis Greeff . 110 
Centropsis aculeata Parona . 133 varians G. S. West 110 
Centropyxis (Ehrenb.) Stein . 131 | Heterophrys Archer . 109 
aculeata Stein 132 ? myriapoda Archer 110 
var. ecornis (Ehrenb.) varians F, BE, Sch. . 110 
Leidy . 186 | Hyalodiscus Hertw. & Less. . 106 
var. spinosa Cash 135 guttula Blochm. . 55 
ecornis Leidy 185 limax’ Blochm. 57 
levigata Penard . 137 rubicundus Hertw. & Less. 106 
Chaos Linn. 40 | Leptophrys vorax Zopt . 102 
protheus Linn. 41 | Lithameba Ray Lank. 81 
Chlamydomyxa Archer 91 discus Ray Lank. . 81 
labyrinthuloides Archer . 92 | Loposa 39 
labyrinthuloides Hieron. . 140 | Mastigameeba F. E. Sch. 69 
montana Ray Lank. 140 aspera F'. H. Sch.. 70 
? Cochliopodiwm actinophorum var. cestriensis Cash 72 
Penard 48 ramulosa Kent 73 
CoNCHULINA . . 87 | Nuclearia Cenk, . 109 
Dactylosphera poe ne conspicua G. S. West 112 
Lank. : 68 delicatula Cienk. . 109 
