40 ^- MANX SHE AU WATER. 



PUFFINUS PUFFINIUS. 

 Manx Shearwater. 



PuFFiNUS ruFFiNUS LiciiT., Nomencl. Mus. Iierul; LSril, 100. 



DESCRIITIUN. 

 Sp. Cn. Sizf , rather t^iiiall. Tarsus, longer than in Auduhon'.s Slioarwutrr but tljo tail is a little 



shorter. 



Color. Adult. Above, blackish, thi-^ coLt e.xtendiii': belnw the eye. Beneath, white, inchulinjr un- 

 der win"- and tail coverts. Iris, brovn. Rill, grernish black. Fett, dusky <'n outer side, orange on inner. 



Downy young. Brownish gray above, gradually beciniiing jLiler beneath. The feet are nearly wlm!- 

 ly dusky. 



f)RSER^'ATIONS. 



This species is known from all « if the other Shearwaters by the small size, excepting fmni Audubon's, 

 the Manx Imng larg'er than this, with absolutely and proportionately longer tarsus and shorter tail. Oc- 

 curs, during the breeding season, on the eastern side I'f the northern Atlantic, mi;;rating southwanl in au- 

 tumn and winter to the Mediterranean Sea: casual off the Ni.-rth American coast. 



DESCRIPTION OF NESTS AND EG(iS. 

 Nests, jilaced in holes in rocks, very little material being used. Eggs, one in number, elliptical in form, 

 white in color. Dimensions, from ]-7.-|.\ I'^L' to I'Sl x'2An. 



DIMENSIONS. 



Length, i;i 00 to LrOft; stretch, i'.i'CH) to ;J;)1K»; wing, :i-(l(» to It-.'iO, tail, l.'-:)0 to o'lt); bill, iv>5 to ]-50; 

 tarsus, r?;") to TiSO. 



HABITS. 

 The siimmcT \nnnv of the Manx Shearwater is from tlie Shethuid Islands, nortliward. 

 It is, however, eonlined to tlio ea.stern side ofthe Athuitie durin;j; this season, the only 

 known exception to tliis I'nle being; a single instance in which the species was found 

 nesting on the Bermudas. During the season wlien all birds wander most, more espe- 

 cially water bird.s, that time iimuediately preceding lidl inigi'ation, when a venturesome 

 spirit ajipears to possess the a(piatic avian mintl, tlie Ma.nx Sliearwaters .are occasionally 

 fomid oil" our coast. 



/ESTRELATA SCALARIS, 



Plumbeous Petrel. 



.T^^STiiiiLAT.'i scALAKis Brewster, Auk. Jan.. 1887. 



DESCRIRTION. 



Sp. ('h. Size, smaller than that of the black-capped Petrel. Fcrm, slender. Color, plumlieous with 

 throat, upper breast, anil under tail coverts, white. Dimcngions: wing. IPSS; tail o'S.j; liill, 1 ■!•;;; tarsus, l'o7. 



HABITS. 

 I have above brietiy cliai-iu'terized a species of Petrel recently described by Mr Wil- 

 liam Brewster, the type of which, the onh specimen in existence, was taken in a pkiugheil 

 ik'kl in Iji\ing>tone County, New York, in Api'il, kSSd. At lirst this bird was supposed 



