i68 
Allen’s naturalist’s library. 
THE DUSK\ SHEAR\YATER. PUFFINUS OBSCURUS. 
Froallaria ohscura, Gm. Syst. Nat. i. p. r.g 
Puffinus obscurus B. O. U. List Brit. B p iq 8 ri88,V 
Saunders, ed. Yarrell’s Brit. B iv d 27 • q k l ^ ’ 
Hist. Brit. B. iii n ^ 
B D 721 Sa^J'iders, Man. Brit. 
; Salvin, Cat. B. Brit. Mus xxv n 
(.896); Liltord, Cd. Fig. Brit. B. part aS (isssf 
d.F.n“rr.r;p“,.L 
dxuiaries wiiite, the lesser under wina-coverts hlnrt of fl 
base and the edge of the wing mottled with black bill d rU 
hazel, paler on the mandible : feet vellow with Fh„ ’ > ■ , ^ 
the tarsus and outer toe blal “'fS’C ‘i:°"SSe? 
culmen, 1-15; wing, 6-5; tail, 2-5 ; tarsus, 1-4.’ ’ 
Adult Female.— Similar to the male 'rmFni 1 .b 
inches; wing, 6 ,'4. length, iro 
teT™ rtifelailS. iiS a'iVb; 
Rang-e In Great Britain. — Two snerimpnc fl- • i 
occurred for certain within ^ specimens of this species have 
is.f Har'bolr"'in-co.°rer;r iTZf 
