1913. 



NATURAL SCIENCES OF PHILAt)ELPHIA. 



131 



111 the summary, Table IX, the accepted predommance of in- 

 testinal parasites is shown. The next most frequently affected organ 

 is the stomach. The peritoneum comes next, due to the presence 

 of Filarise, which also account for the fourth position of the blood. 



Part II. 



Spiroptera incerta (Smith). 



This worm has been encountered 119 times, as follows: 

 Table X. 



Parrots 



Blue-headed Pigeons 

 Ashy-headed Barbet 

 Banded Toucan . 

 Green glossy Starling 

 Sulphur-breasted Toucan 

 Barbary Turtle Dove 

 White-crowned Pigeon 

 White-throated (^uail 

 Transvaal Barbet 

 Himalayan Jay... 

 Double-striped Thicknce 

 Natal Francolin.. 

 Larger hill Mynah 



102 

 3 

 1 

 2 

 1 

 2 

 1 

 1 

 1 

 1 

 1 

 1 

 1 

 1 



119 



Since the greatest number occurred in parrots, our attention has 

 been especially called to those birds. In fact, our work on this 

 parasite of parrots has constituted bj^ far the greatest part of our 

 studies in metazoan parasitology" at the Gardens. 



The appended table shows the exact findings since March 1, 1906: 



