Slender-billed Prion

Here the details of the Slender-billed Prion named bird below:

SCI Name:  Pachyptila belcheri
Protonym:  Heteroprion belcheri BirdsAustr.[Mathews] 2 p.215,224
Taxonomy:  Procellariiformes / Procellariidae / Pachyptila
Taxonomy Code:  slbpri1
Type Locality:  Geelong, Victoria.
Author:  Mathews
Publish Year:  1912
IUCN Status:  Least Concern

DEFINITIONS

PACHYPTILA
(Procellariidae; Ϯ Broad-billed Prion P. vittata) Gr. παχυς pakhus  dense, thick; πτιλον ptilon  feather, plumage; "GENUS 132.  PACHYPTILA (παχυς densus  πτιλον pluma) (Flaumtaucher Germ.)  Rostrum mediocre, latum, rectum, depressum, maxillae parte culminali, paratonis, dertro distinctis, dertro uncinato, mandibulae myxa compressa apice trnncata [sic]. Tomia externa acuta integerrima, interna pectinata.  Nares versus basin positae, tubulosae, distinctae, tubulo brevi aut perpendiculari aut obliquo, antrorsum et sursum patentes.  Lingua crassa, carnosa, conica.  Alae elongatae. Ptilosis plumis duplicatis.  Pedes breves, aversi, congrui, palmati, tridactyli et ungue hallucari.  Ungues falculares, concavi, hallucaris conicus.  Tarsus digito medio aliquantum brevior.  Tarsotheca granulata.   Species: Procellaria vittata, caerulea Lin Gmel.   Annot. Hujus et reliquorum ejusdem familiae generum characteres, quantum licuit, e descriptionibus R. Forsteri manu scriptis collegi.  Praeter Procellarias nullam hujus tribus avem ipse quidem vidi, et Haladromae et Pachyptilae pecularia genera justo titulo sibi poscere visa sunt." (Illiger 1811); "Pachyptila Illiger, 1811, Prodromus Syst. Mammalium Avium, p. 274. Type, by subsequent designation (Selby, 1840, Cat. Gen. Subgen. Types Class Aves, p. 49), Procellaria forsteri Latham = Procellaria vittata G. Forster." (Jouanin & Mougin in Peters 1979, 1, 2nd ed., 79). 
Synon. Attaprion, Fulmariprion, Heteroprion, Priamphus, Prion, Pseudoprion, Salviprion.

belcheri
● Sir Charles Frederic Belcher (1876-1970) Australian jurist, ornithologist, founder member of RAOU, Attorney-Gen. in Nyasaland 1920-1927, Chief Justice of Cyprus 1927-1930, Chief Justice of Trinidad & Tobago 1930-1937 (subsp. Cryptolybia olivacea, subsp. Geokichla guttata, syn. Hylacola pyrrhopygia, Pachyptila, syn. Pelecanoides urinatrix, syn. Poecilodryas cerviniventris, syn. Poephila personata, syn. Thalassarche melanophris).
● Adm. Sir Edward Belcher (1799-1877) Royal Navy, explorer on the Pacific coast of America 1825-1828, in the Arctic 1852-1854 (Larus).