

Transactions of the Society. 



the 6wt and Becond trunk-segments and the pre-anal being especially 

 prominent, and in certain hemispherical processes on the rump, 

 which have not been seen in the type. 



Habrotrocha pusilla (Bryce). 

 The Hawaiian form is the one with very thick case of many 

 layers. 



Habrotrocha caudata Murray, and H. auriculata Murray. 

 Both these species were only recently discovered in Africa, and 

 afterwards in Australia and Hawaii. 



Habrotrocha perforata (Murray). 



It is noted that in Hawaii the examples of this species were 

 considerably larger than the type, but the exact measurements are 

 not given. 



List of all Bdelloids recorded for Pacific Islands. 





Philodina brcvipcs Murray 



P. rugosa Bryce 



P. plena (Bryce) 



P. vorax (Janson) 

 Plcuretra brycci (Weber) . . 

 P. humcrosa (Murray) 

 Callidina habita Bryce 



C. plicata Bryce 



C. punctata Murray . . 

 C. quadricornifera (Milne) 

 C. ehrenbergii Jauson . . 



C. pacifica sp. n 



C. papillosa (Thomp.) . . 



C. multispinosa (Thomp.) . . 



C. rediviva Ehr 



C. triodon Ehr 



obia symbiotica (Zel.) . . 



M. russcola (Zel.) 



"Rotifer longirostris (Janson) 

 Habrotrocha pusilla (Bryce) 

 11. angusticullis (Murray) . . 

 //. longiceps (Murray). . 



rforata (Murray) 

 11. caudata Murray* 

 II. constricta (Duj.) 



//. hitgebii (Zel.) 



//. nodosa sp. n 



//. auriculata Murray 

 Adunta vaga (Davis) .. 

 A. gracilis Janson 

 A. longicorms Murray 



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