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Genus PSEUDOPRION. 
Pseudoprion Cones, Proc. Acad. Nat. Sci. Pliilad. p. 164, May 1866. 
Type (by original designation) : Pro cellar la turtur Kuhl. 
Fulmarvprion Mathows, Birds Austr. vol. ii. pt. ii. p. 215, July 31st, 1912. 
Typo (by original designation): Pseudoprion turtur crassirostris Mathews. 
Pseudoprion turtur (Kuhl). 
Distr. —Cape Seas, Australian and New Zealand Seas, Chatham 
and Bounty Islands. 
Pseudoprion turtur turtur (Kuhl). (25-436.) 
Procellaria turtur Kuhl, Beitr. Vergl. Zool. Anat. p. 143 (pref. 
April 9th), 1820 : Bass Straits. (Fig. Gould, Austr. vii. pi. 54 
Math. pi. 93 ; Godman, Monogr. pi. 85.) 
Procellaria velox id. ib., as synonym of turtur. 
Halob&na typica Bonaparte, Consp. Gen. Av. vol. ii. p. 194, Oct. 1857 : Waigou 
Island, error = Bass Strait. 
Prion ariel Sclilegel, Mus. Pays-Bas, vol. vi., Procell. p. 18, July 1863: Bass 
Strait (ex Gould, Ann. &Mag. Nat. Hist. vol. xiii. p. 366, May 1st, 1844, n. n.). 
Psendoprion turtur nova Mathews, Austral Av. Roc. vol. iii. p. 55. April 7th, 
1916 : Sydney. 
Distr. —Southern and Eastern Australia. 
Pseudoprion turtur huttoni Mathews. 
Pseudoprion turtur huttoni Mathews, Birds Austr. vol. ii. p. 220, 
July 31st, 1912: Chatham Islands. (Fig. Math. vol. ii. p. 215.) 
Distr .—Chatham Island, New Zealand. 
Pseudoprion turtur crassirostris Mathews. 
Pseudoprion turtur crassirostris MatlieAvs, Birds Austr. vol. ii. p. 221, 
July 31st, 1912 : Bounty Island. (Fig. Math. vol. ii. p. 215.) 
Distr .—Bounty Island, New Zealand. 
Genus HETEROPRION. 
Jleteroprion Mathews, Birds Austr. vol. ii. p. 222, July 31st, 1912. 
Type (by original designation) : Heteroprion belcheri Mathews. 
Heteroprion belcheri Mathews. 
Heteroprion belcheri Mathews, Birds Austr. vol. ii. p. 224, figs, in 
text, p. 215, July 31st, 1912 : Geelong, Victoria. 
Distr .—Southern Australian and New Zealand Seas. Extra- 
limital. 
Heteroprion desolatus (Gmelin). 
Distr .—(Jape Seas, Kerguelen to Australia, New Zealand 
