250 



S. J. JOHNSTON. 



liornum, Nicoll, found in the trachea and oesophagus of the 

 Nankeen Heron, Nycticorax caleclonicus is also related to 

 C. marginatum and to 0. complanatum, Rud., parasitic in 

 the European Heron, Arclea cinerea. 



BlLHARZIID^E. 



Austrobilharzia terrigalensis parasitic in the sea-gull r 

 Larus novce-lwllandice finds its nearest relative in Ornitho- 

 bilharzia intermedia., parasitic in various European species 

 of Larus. 



MONOSTOMID.E. 



Cycloccelum taxorchis, from the body cavity of Limosa 

 novce-hollandice is closely related to C. brasilianum para- 

 sitic in Totanus flavipes. Totanus and Limosa are closely 

 related bird-genera. 



Hcematotrephus consimilis, Nicoll, found in the Spur- 

 winged Plover, Lobivanellus lobatus and H. adelphus sp. n. 

 parasitic in Himantopus leucocephalus are both closely 

 related to H. similis, Stossich, found in the abdominal 

 cavity of Himantopus atropterus in Egypt. All these birds 

 are members of the family Charadriidse. Typhlocoelum 

 reticulare, mihi, parasitic in Anseranas semipalmatus is 

 the Australian representative of T. cucumerinum, Rud. r 

 found in various species of Anas in Europe. Allopyge 

 antigones, mihi, parasitic in the great Australian Crane, 

 Antigone australasiana is closely related to Hyptiasmus 

 ominosus, Stoss. and H. adolphi, Stoss., found in several 

 species of European Cranes. Hyptiasmus magnus, found 

 in the pharynx of the Black Swan, Chenopsis atrata is 

 closely related to H. arcuatus, H. laevigatus and H. tumidus 

 all parasitic in various Anseriform birds in Europe. 



Notocotylus attenuatus, Rud., common in European ducks 

 and geese has also been recorded from a considerable 

 number of related birds in Australia. 



