from rhodesia, lophopodella thomasi. 47 



List of the Known Fresh-water Polyzoa. 



British Species. 



Lophophore horse-shoe shaped. 



Cristatdla mucedo. Cuvier. Statoblasts circular, with hooked 



spines. 

 Lophopus crystallinus. Pallas. Statoblasts elliptical, pointed at 



both ends, without spines. 

 Plumatella repens. Linnaeus. Statoblasts oval, without spines. 

 fruticosa. Allman \ 



5? 



,, coralloides ,, 



,, emarginata ,, 



„ elegans „ 



,, dumortieri „ 



,, jugalis „ 



„ allmani. Hancock 





All these are considered 

 to be synonyms or 

 varieties of PI. repens 

 by continental writers. 



Alcionella fungosa. Pallas 



,, benedeni. Allrnan 



„ flabdlum. Van Beneden 



Plumatella lineata. Parfitt \ Two very doubtful 



,, limnias. ,, j species. 



,, (Hyalinella) punctata. Han- ) With soft gelatinous 

 cock i creeping tubes. 



Lophophoi'e circular. 



Fredericella sultana. Blumenthal. Statoblasts kidney -shaped, 



without annulus. 



Paladicella ehrenberqi. Van Beneden ) c ,, ,, , 



* \ Statoblasts absent. 



Victorella , pavida. Kent » 



Foreign Species. 

 Lophophore horse-shoe shaped. 



Cristatella idae. Leidy (America) \ All three considered to 

 „ ophidioidea. Hyatt „ r be synonyms of 



,, lacustris. Potts „ ) C. mucedo. 



Lophopus jheringi. Aleissner (Brazil). 



,, {Hyalinella) lendenfeldi. Kidley (Australia). 



Lophopodella thomasi. Rousselet (Rhodesia, S. Africa). 



,, (Pectinatella) carter i. Hyatt (India, East Africa). 



