99. PRION DESOLATUS (Gm.). 



(DOVE-LIKE BLUE PETREL.) 



(Plate 84.) 



Brown-banded Petrel, Lath., Gen. Syn., III., pt. 2, p. 409 (1785). 



Procellaria desolata, Gin., Syst. Nat., p. 562 (1788) ; Kuhl. Beitr., p. 143 (1820). 



Procellaria turtur, Parkinson, Icon, ined., 15 ; Kuhl, Beitr., p. 143 (1820) ; Smith, 



El. ZooL, S. Africa, Birds, PI. LP7. (1840) ; Sharpe, Hist. Coll. Brit. Mus., II., 



p. 175 (1906). 

 Procellaria fasciata, Bonnat., Enc. Meth., L, p. 79 (1790). 

 Daption desolatum, Steph. in Shaw's Gen. Zool., XIIL, pt. 1, p. 244 (1826). 

 Prion turtur, Gould, Ann. and Mag. Nat. Hist., XIIL, p. 366 (1844) ; id., Birds Austr., 



VII., PL 54 (1844) ; id., Handb. Birds Austr., II., p. 472 (1865) ; Buller, 



Birds New Zeal., p. 309 (1873) ; id., op. cit., ed. 2, II., p. 209 (1888). 

 Mstrelata desolata, Bp., Comptes Rend., XLIL, p. 768 (1856). 

 Pseudoprion turtur, Coues, Pr. Acad. Philad., 1866, pp. 166, 172. 

 Pseudoprion desolatus, Coues and Kidder, Bull. U. S. Nat. Mus., No. 2, p. 32 (1875). 

 Pachyptila turtur, Cab. and Reichenow, J. f. O., 1876, p. 328. 

 Prion desolatus, Salvin, P. Z. S., 1878, p. 738 ; Sharpe, Phil. Trans., Vol. 168, p. 137 



(1879) ; Salvin, Cat. Birds Brit. Mus., p. 434 (1896) ; Reichenow, Deutsche 



Siidpolar Exped., IX, Zool., L, p. 556 (1908). 

 Prion dispar, Vanhoffen, J. f. O., 1905, p. 505. 



P. vittato et P. banksi similis, sed rostro multo tenuiori et rostri lamelhs prope basin fere 

 obsoletis. 



Though resembling the other members of the genus in colour and markings, this 

 species has quite a slender bill, with a straight outline, when seen from above, and 

 not bowed towards the tip as in P. vittatus and P. banksi. The lamellae are much 

 reduced in size and number, and are confined to the base of the maxilla : even when 

 the bill is open, they are very difficult to see, and are invisible when it is closed. The 

 colour of the head is scarcely any darker than the back. 



Gould also says that P. desolatus may be distinguished from P. banksi by the 



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