SPOTTED PETREL. 



2 9 . Daption capensis.-SPOTTED PETREL. 



tProcellario ca P en*i, Linne, Syst. Nat., 10th ed., p. 132, Jan. 1st, 1758 : Cape of Good Jope. 

 Gould'^rvil., pi. 53 (pt. X xix.). Dec. 1st, 1847. Mathews, Vol. II., pt. 2, pL 90, July 



D^capente *. Mathews, Austral Av. Bee., Vol. I., pt. 8, p. 187. March 20th, 

 1913 : New Zealand. 



DISTRIBUTION. Southern Australian Seas. 

 Adult male -General colour above dark lead-grey, chequered with white on 



grey white at the base of the inner webs ; primary-quills blackish along th e o uter 

 wls and at the tips, inner webs white, which colour extends on to both webs^at the 





. 



tail-coverts and sides of body ; axillaries and under wing-coverts 



1 ' 



wing 177, tail 128, tarsus 44. 



4d-wZ* female. Similar to the adult male. throat the 



Of thrle birds obtained at the same time the one describ ed has ^^ 

 same colour as the head, while the other two have the white of !the 

 encroaching up to the chin. Another adult example in Mathews ~ 

 the terminal band on the tail-feathers, and many of the feathers of the wing b 

 instead of slate-black, due to wearing. 



Young in down. -Generally greyish above, greyish-white b ^ low ; 



tfeA-Slate-grey above, and paler and sooty on the **** earth 



^.-Composed of a few small angular fragments of rock and a li bn, 



placed on open exposed ledges of cliffs. (Laurie Island.) 



Egg.- Clutch, one ; pure white ; axis 65 mm., diameter 42. 



Breeding-season. December and January. (South Orkneys.) 



Incubation-period About forty-two days. 



Distribution and /orms.-Round the Sub-antarctic and Antarctic Circles. Two 

 forms have been named : D. c. cape^is (Linne) from Cape Seas, and D. c. australis 

 Mathews, from New Zealand Seas in its darker coloration above. 



Genus HALOB^ENA. 



, Comptes Rendus Acad. Sci. Paris, Vol. XLIL, p. 768, May 1856. Type 

 r^ft P. 34, Nov. 1875. Type (by monotypy) : P. 

 ccerulea Gmelin. 



Small Prionitic (?) birds with long narrow bills, long wings, long tail and [short 

 legs and feet. The bill has a long hooked unguis about half the length of t 

 the nasal tubes short ; these are placed on top of the culmen and open <* 

 a single tube with a thin septum internally ; the latericoms are a 1 asally 



expanded The under mandible has the rami divergent, the mterramal space 



