514 SIR VICTOR BROOKE AND MR. B. BROOKE [June 15, 
this species. Colonel Gordon’s specimen (specimen a of list) shows 
avery much greater extent of white on the lower sides and haunches 
than appears to have been the case in either of Mr. Severtzoff’s 
specimens ; the white anal disk is strongly defined from the rosy 
fawn colour of the upper parts of the back by a distinctly darker 
shade. 
“Ovis Poti. (Figs. 4 and 5.) 
‘«This species was founded upon specimens obtained by Wood at 
the sources of the Amu Daria, on the high plains near the Lake Siri 
Kul, at an elevation of about 16,000 feet, consequently about the 
same locality as that mentioned by Marco Polo.” 
Description.— The horns are very large, pressed in from the 
sides, the edges, with the exception of the fronto-nuchal edge, being 
Fig. 4. 
Fig. 4a. 
Ovis poli, smaller example (specimen g in list). 
rounded. The orbital surface is pressed in, and commences to get 
natrower only during the last third of its length. The horn is more 
than four times the length of the skull. The basal and terminal 
axes of the horns are not parallel, the latter being directed more 
horizontally. . . . All round the neck there is a pure white mane ; 
