H^MOPROTETJS. 



217 



Habitat. — Blood of the oommon pigeon, Golumha livia 

 Gmelin, and body of Lynchia maura Bigot : Punjab, Amballa ; 

 Bengal, Calcutta. 



151. Haemoproteus coraciae de MeUo & Afonso. (Fig. 106.) 



"fHcetnoproteus coraciae benghalensis, de Mello & Afonso, 1935,. 

 pp. 67-8, pi. i ; de Mello, 1937 a, p. 100. 



Sexual dimorphism of gametocytes shown by tinctorial 

 reactions of cytoplasm, which stains blue in female gameto- 

 cytes and is colourless or shghtly yellowish-blue in male 

 gametocytes. Young female gametocytes small, more or less 

 ovoid ; when full grown are typical halteridia, embracing the 



E 



F 



G 



H 



Fig. 106. — -Hsemoproteus coracise de Mello & Afonso. A-C, female 

 gametocytes ; D, free female gametocyte ; E-G, male 

 gametocytes ; H, free male gametocyte. (After de Mello 

 and Afonso.) 



nucelus of the red cell and displacing it to the periphery. 

 These halteridia may be pointed, with a tail-like appendage, 

 but when full grown they are broad, regular, lodging the 

 nucleus of the host-cell in their concavity ; cytoplasm alveolar, 

 not staining uniformly, the blue colour more pronounced at 

 the poles and hghter in the centre, and showing violet rings in 

 some specimens ; nucleus compact or more or less granular ; 

 pigment yellow- brown, in minute granules or big dots, showing 

 a tendency to collect at the poles. When free the female 

 gametocytes are roundish or oval, with blue cj^oplasm, 

 nucleus compact or irregular, pigment irregularly scattered over 



