THE HAEMATOZOA OF AUSTRALIAN BIRDS. 415 



The HAEMATOZOA of AUSTRALIAN BIRDS, No. II. 



By J. Burton Cleland, m.d., ch.M., Government Bureau 

 of Microbiology, N.S.W., and T. Harvey Johnston, 

 m.a, d.sc, Queensland University, Brisbane. 



With Plates XXX - XXXIII. 



[Read before the Royal Society of N. S. Wales, December 6, 1911.] 



In a communication that we submitted to the Royal 

 Society of South Australia last year, we detailed the results 

 of an examination we had undertaken of the blood of vari- 

 ous Australian birds for haematozoa. Since then, we have 

 continued our observations, being greatly helped by the 

 kindness of Dr. T. L. Bancroft, of Queensland, who has so 

 materially assisted us with valuable material. To this 

 pioneer of parasitology in Australia, science is indebted for 

 much important work. The results of these further exam- 

 inations are incorporated in the present paper, including 

 descriptions of halteridia, trypanosomes, embryo filarise, 

 and other (presumed) parasites. Appended are lists of the 

 additional positive and negative findings. The numbers 

 (M. 7) etc., refer to the Hand-list of the Birds of Australasia 

 published by Mathews in "The Emu," (Vol. vn, 1907-8). 



Halteridia in Australian Birds. 

 In this further examination of Australian birds, halteridia 

 were met with in 16 species. In 14 of these, they have 

 not been recorded before, whilst in the other two, Zosterops 

 ccerulescens and Tropiclorhynchus comiculatus, we have 

 recorded their presence in our former paper and now extend 

 their geographical distribution. 



In these halteridia, we have not attempted to define 

 specific differences, merely stating the outstanding features 



