50 



EINAR LÖNNBERG, BIRDS. 



With regard to the shape of the horn this organ is said to be pointed in N. pt. ptilo- 

 rhyncha, N. pt. macroceras, and N. pt. somaliensis, and probably N. pt. omoensis as well, 

 although Neumann has deemed it sufficient in his »description » of this species to tell 

 the reader only that the »helmet is somewhat smaller» than that of N. pt. macroceras. 



The wattles of the present specimens vary in size and shape as can be seen from the 

 figures. They are blne in all except one viz. the male with the longest horn in which the 



Fig. 1. Ileads of threo malö specimens of Numida ptilorhyncha rendilis sliot out of the same flock at Luazoinola 



river y /-' to show the variability of the lielniet. 



tip is red. This may be an individual aberration but the wattles do not give any distin- 

 guishing characteristic from other races than from N. pt. somaliensis. 



The nasal bristles are well developed and stout. Throngh this the Guineafowl from 

 Luazomela differs from N. pt. major, and N. pt. toruensis in which the bristles are only little 

 or not at all developed, and also from N. pt. ptilorhyncha in which they are much thinner. 



With regard to the pattern of the plumage the descriptions of the authors quoted 

 do not contain anything except that Neumann says about N. pt. toruensis that certain 

 of the wing quills have white stripes on the onter web in a way that resembles the pattern 



