8. PEOCELSTERNA. 135 



2. Procelsterna cinerea. 



Pelecanopus pelecanoides, Gray {nee Kiiig), List B. Brit. Mus., 

 Anseres, p. 180 (1844 : Australia, Sir T. Mitchell). 



Anous cinereiis, Gould, P. Z. S. 1845, p. 104 (N.E. Australia) ; id. 

 B. Australia, vii. pi. 37 (1848: Norfolk I. and N.E. coast 

 Australia) ; Bennett, Gath. Nat. Austr. p. 241 (1800: Nepean Is., 

 breeds) ; Krefl, Ibis, 1862, p. 192 (Brampton Shoals, 37° S., 

 173° ^N.^ ; Saunders, P. Z. S. 1878, p. 212 ; id. Juurn. Linn. Soc. 

 xiv. p. 404 (1878) ; Sharpe, P. Z. S. 1878, p. 272 : id. Phil. Tra?is. 

 clxviii. p. 469 (1879) ; id. P. Z. S. 1881, p. 16 (San Ambrosio I., 

 S. Pacific) ; Ramsay, Pr. Li/m. Soc. N.S. W. 1878, p. 139 (Union 

 group) ; id. op. cit. 1883, p. 89 ; Salvin, Cat. Strickl. Coll. p. 627 

 (1882); Croxofoot, Ibis, 1885, p. 265 (Norfolk I., breeds) ; Ramsay, 

 Pr. Liiin. Soc. N. S. W. 1888, p. 678 (Lord Howe I.) ; id. Tab. 

 List Austr. B. p. 23, no. 708, & p. 38(1888); Buller, 2nd ed. 

 B. N. Zeal. ii. p. 78 (1888) ; North, Nests Sj- Eggs Austr. B. p. 376, 

 pi. xxi. fig. 6 (1889: Lord Howe & Philip Is.); Etheridqe, Zool. 

 Ld. Howe L p. 17 (1889) ; Tristr. Cat. Coll. B. p. 10 (1889 : St. 

 Ambrose I.) ; Wif/lesto. Abhandl. zool. Mus. Dresden, 1890-91, 

 no. vi. p. 78 (1892) ; Stone, Pr. Philad. Acad. 1894, pp. 115-118. 



Procelsterna albivitta, Bj). C.R. xlii. p. 773 (1856) ; Gould, Handb. 

 B. Austr. ii. p. 420 (186-5). 



Sterna cinerea, Schlegel, Mus. P.-B., Sternje, p. 38 (1863 : Australia). 



Anous albivitta. Gray, Hand-l. B. iii. p. 123, no. 11090 (1871). 



Anous albivittatus, Finsch, P. Z. S. 1877, p. 776 (Eua, Friendlj^ 

 group). 



Anous CcBruleus (piirtini), Saunders^ P. Z. S. 1876, p. 671. 



Anous Cieruleu-i, liamsay, Proc. Linn. Soc. N. S. W. 1878, p. 202, 

 no. 695; Tristram, Ibis, \SQ\, -p. 177 (ISan Ambrosio I.). 



Adult in breeding-plumage. Like, but decidedly larger than, the 

 preceding species ; much paler on the upper surface ; well-defined 

 greyish-white " wedges " to the inner webs of the three outer 

 primaries, the shafts brown ; belly and breast greyish white ; under 

 wing-coverts pure white : bill black ; " iris blackish blue " (Krefft) : 

 tarsi and toes reddish black, webs lemon^yellow. Total length 

 11 inches, eulmcn 1-25, wing 8'5, tail 4*5, depth of fork 2, tarsus 1, 

 middle toe with claw 1*3. 



Adult in ivbiter. Probably similar. 



Immature. Like the above, but with a brownish tinge on the mantle 

 and tail ; duller white wedges to the primaries ; less \\'hite on the 

 edges of the secondaries : bill, tarsi, and toes brownish black. 



Hah. Australian and New Zealand Seas, Lord Howe, Norfolk 



I and neighbouring islands, and Kermadec group ; also the islet of San 

 Ambrosio, which is nearest to the coast of Chile, but lies outside the 

 cold Antarctic current. 

 : 



b. Ad. St. Australia. Sir Thomas Mitchell 



[P.]. 

 jC.Ad.sk. Australia (T. C. Eyton Coll., 



ex Mus. Zool. Soc). H. Saunders Coll. 



I d. S ii^l- ''k. Lord Howe Island, September Seebohni Coll. 



1887 (Si/dney Mus.). 



Ad. sk. Norfolk Island (P. Metcalfe). H. SaUnder.^ Coll. 



