] Brewster, An Undescribed Form of Black Duck. 
Vol. XIX" 1 ■’“* _ —~ A — T 7V »rJpscribed Jform OJ jdlulk ^^3 
1902 
Near the anchored steamer .ere many Terns (SUrm «-»*>, 
but I could not tell whether or not they live on the clr . 
The length of the cliff inhabited by the birds is about one m e 
By^counting the birds on a section of the cliff, we estimated the 
number of birds at not less than 60, ooo. The photographs (PL 
VIII were taken under very unfavorable circumstances, owing to 
££ wither htt, may help to give some idea o. the abundance 
of the birds. A „. -w-tv Anril.. 1902 . 9 P- 1 ' 
