2 BRITISH FRESHWATER RH1ZOPODA. 



Family 2. RETIOTJLOSA. 



(7) Gymnophrys, (8) Biomyxa, (9) Penardia, (10) 

 Chlamydomyxa. 



Family 3. VAMPYRELLIDA. 



(11) Vampyrella, (12) Hyalodiscus, (13) Nuclearia, 

 (14) Archerina. 



Order II. CONCHULINA. 

 Family 1. ARCELLIDA. 



A. ARCELLIN& : (15) Arcella, (15a) Pyxidicula, (15b) 

 Microcorycia, (15c) Parmulina, (16) Pseudochlamys, 

 (16a) Capsellina, (16b) Diplochlamys, (17) Centropyxis. 

 B. DIFFLUGIN& : (18) Difflugic^ (18a) Bullinula, 

 (18b) Plagiopyasi8 t (18c) Cucurbitella, (19) Pontigulasia, 

 (20) Lesquereusia, (21) Phryganella, (22) Difflugiella, 

 (23) Gryptodifflugia. C. NEBELINJE: (24) Hyalosphenia, 

 (25) ^e6eZa, (26) Quadrulella, (27) Heleoprea, (27a) 

 Averintzia. D. PSEUDONEBELIN& : (28) Leptochlamys, 

 (29) Cochliopodium, (30) Amphizonella, (31) Zonomyxa. 



Family 2. BUGLYPHINA. 



(32) Euglypha, (33) Placocysta, (34) Assulina, (35) 

 Sphenoderia, (36) Paulinella, (37) Cyphoderia, (38) 

 Campascus, (39) Trinema, (40) Gorythion. 



Family 3. GROMIINA. 



A. PSEUDOGROMIINJE : (41) Lecythium, (42) Pseudo- 

 diffiugia, (43) Diaphoropodon, (44) Clypeolina. B. 

 ALLOGROMIIN& : (45) Microgromia, (46) Lieberkuehnia, 

 (47) Allogromia, (48) Rhynchogromia. 



Family 4. AMPPISTOMINA. 

 (49) Diplophrys, (50) Amphitrema. 



