394 Mr. T. Ayres on the Ornithology of Transvaal. 



taken from specimens of P. capensis, P. nigricans, P. layardi, 

 and P. tricolor, which have either been kindly lent to me by 

 Captain Shelley or are in my own possession. 



P. capensis. 

 Three specimens, sex not marked, 

 from Cape Colony. 



P. nigricans^. 

 Male and female, Damaraland . . 



Five males, from Transvaal .... 

 Three females, from Transvaal . . 



BiU. 



•65 



to 

 •70 



•60 

 •GO 

 to 

 •72 

 •60 

 to 

 •62 



P. layardi. 

 From Pangani River, sex not 



marked '60 



Two specimens, sex not marked, J ^. 



from Daru Salamf. \-Q2 



From Zanzibar, sex not marked . . •65 



Male, Swaziland -70 



(•65 

 Five males, from Transvaal .... < to 



(•70 

 Two females, from Transvaal .... ^62 



(•62 



Three males, from Natal < to 



1-65 



Female, from Natal -60 



Wing. 



3-75 



to 

 3-85 



3^80 

 3-90 



to 

 4- 

 3^70 



to 

 3-90 



3-60 

 3-60 

 and 

 3^50 

 3-90 

 3^85 

 3-80 



to 



410 

 3-80 

 3-90 



to 

 3-95 

 370 



Tail. 



3-30 



to 



3-50 



3- 

 3-30 



to 



3-50 

 3^20 



to 

 3-30 



3^10 



3^ 



and 



3-20 



3-50 



3^40 



3-40 



to 



3-GO 

 3^30 

 3-40 



to 

 3^60 

 3^40 



Tarsus. 



•90 



•80 

 •80 

 to 

 •90 

 •85 

 to 

 •90 



•85 



•80 



•90 

 •90 



•90 



•90 



•90 



•90 



* The late Mr. Andersson, in an unpublished note, now in my posses- 

 sion, referring to specimens of P. nigricans obtained by him in Damara- 

 land, gives the following measurements : — 



" Average Diinensions of ten Males and Females. 



inches, lines. 



Entire lengtli 



Length of wing when folded 



Tarsus 



Middle toe 



Tail 



Bill 



9 



7i 



3 



10." 



t It is remarkable that these two specimens, which were obtained by 

 the late Mr. E. C. Buxton on the mainland opposite Zanzibar, and that 



