28 



MR. G. H. WATLES ON' FRESHWATER RHIZOPODA 



List of the species recorded 

 not found by the writer : — 



Amoeba nobilis, Pen. (Ouramceba). 

 Ampliizouella violacea, Greeff. 

 Biomyxa vagaus, Leidy. 

 Cochliopodium Testitimi, Archer. 

 Dinamreba mirabilis, Leidy. 

 Gromia fliiviatilis, Duj. 



Actiuosphferium Eicliorni, Ehrenb. 

 ■ Elceorhanis cincta, Greeff. 

 Heterophrys myriapoda, Archer. 



from New Jersey by Leidy (30) which were 



Rhizopoda. 



Hyalodiscus rubicimdus, Her t jo. Sj- Less, 

 Painphagus mutabilis; Bailey. 



„ granulatus, F. E. Sch. 



Pellomyxa Tillosa, Leidy. 

 Vampyrella lateritia (Fres.), Leidy. 



Heliozoa. 



Pompbolyxophrys punicea, Archer. 

 Eaphidioplirys elegans, Herhv. 8,' Less. 

 „ A'iridis, Archer. 



Synonyms for some of the species described by Leidy (30, 10, 36) 



Amoeba radiosa, Ehrenb. 

 Difflugia compressa, Carter. 



„ cornuta, Leidy. 



„ globularis, Leidy. 



,, globulosa, Leidy. 



„ nodosa, Leidy. 



„ pyriformis, Perty. 



„ spkalis, Ehrenb. 



„ vas, Leidy. 

 Hyalospbenia tincta, Leidy. 

 Pampbagus avidiis, Leidy. 

 „ ciirvus, Leidy. 



Dactylospliferium radiosum, JSiifschli. 

 Difflugia obloiiga var. nodosa, Leidy. 



,, oblonga var. cornuta, Leidy. 



„ globulus (Ehretib.), Hopk. 



„ do. do. 



„ oblonga rar. nodosa, Leidy. 



,, oblonga, Ehrenb. (10). 

 Lesquereusia spiralis (Ehreiib.), Biltschli. 

 Pontigulasia vas {Leidy), Schout. 

 Nebela tincta {Leidy), Aiver. 

 Pampbagus granulatus, F. E. Sch. 

 do. do. 



Heliozoa. 

 Acantbocystis cbsetopora, Leidy now A. turfacea, Archer. 

 Hyalolampe fenestrata, Greeff. ,, Pompbolyxopbrys punicea, Archer. 

 (Penard, Les Heliozoaires, 1904.) 



According to Penard TAplophrys: Archeri, pi. 45. figs. 7, 8, should be iden- 

 tified as Eheorlianis cincta, Greeff. Also Onramceha butuJicanda and 0. vorax 

 are no dombt Amoeba nobilis, Penard (36. Les Heliozoaires, 1904). 



List of Rhizopoda and Heliozoa fomid in New York City drinking-water, 

 supplied from the Croton Reservoir during the autumn of 1911 : — 



Rhizopoda. 

 Areella discoides. 

 ,. vulgaris. 

 „ vulgaris var. gibbosa. 

 Assulina seminulum. 

 Centropyxis aculeata. 



„ aculeata var. discoides. 



Campascus minutus. 

 Corytbion pulcbellum. 

 Cyphoderia ampulla. 



„ trocbus var. amphoralis. 



Difflugia acuminata. 

 „ constricta, 



Difflugia elegans. 

 ,, gram en. 

 Euglypba alveolata. 



„ ciliata. 

 Nebela collaris. 

 Plagiop3'xis callida. 

 Pbryganella hemispberica. 

 Trinema liiieare. 



Heliozoa. 



Acantbocj'stis turfacea. 

 Actinophrys sol. 



