1878.] MR . H . SAUNDERS ON THE LARIN^. 211 



men of this Gull should ever have been obtained in any part of 

 California ; and Mr. Salvin inclines to think the California! focalitv 

 an erroneous one, in view of similar mistakes known to have been 

 iT^the on' 6 ^^1 ^^ du ^ the ^ <* the • VeW^ 



his Gnll i ler , ha » d fl s ° mewhat 8tnu, « e that if the head quarters of 

 this bull, of which the appearance is sufficiently striking to attract 



n Sist'sX 111 ! ft °t PaS °i! gr ° U P' n ° ne ° f the °thef vSito o 

 naturalists should have brought any news of it 



th.r7 a Z US l \° n t ° f Bo,la P arte ' s arbitrary aud undefined genera ; and 

 there seems to be no structural difference to warrant the <rener"c 

 separation of this species from Xema sabinii. ° 



^m^£ P lL^ e ?T time t0 time ack uowledged with much 



Kwondente • 5 FT W "^f f, '° m m ? frieQda a » d cor- 

 respondents ; and I have now to render my especial thanks to th^ 



authorities of the British and Cambridge^Jse"! and of h 



Smithsonian Institution, Washington, and'to Dr. Brewer of Boston 



M ottlt TV' Berl Tr P ^ feSS ° r Rdnhardt of CopenhagS 

 M. Oustalet, M. Bouvier, Mr. O. Salvin, Mr. H. Seebohm Mr 



Harvie-Brown, Mr. Gervase Matthew, R.N., and Mr E Hargft ' 



ZZe7ZT heS ^ ^7 SeVera11 ^ aff0rded ™ of exSng 

 examples of rare species and also series of specimens. 



P.S. (April 1st) —I take this opportunity of correcting an error 

 m my paper on the Stemuue (p'.Z.S. 1876, p. 671) where two 

 species are united under the name of Anous LruleL At that 



nd ,h T D See "i a , SpeCimen ° f the reaI A ™™l™*> B^nne " 

 and that species and A. cinereus, Gould, are so very much alike 

 that, unfaI e les availaWe for CQm l I u <* Jhke 



in difcT T'{ haVC b6en t3ken t0 refer to the same "£S 



n different stages ol plumage. Seen by the light of further exne 



Anous oeruleus (Bennett). 



ii. STpIS Ti84of V^T"' ??*• I^^oy. round Globe, 

 App. p. ^48 (1840) Christmas Island, Pacific. 



<SW eearfi-e, Neboux, Rev. Zool. Oct. 1840, p. 291 et 



Stolidacinerea K \.Voj. 'Venus,' Atlas, pi. 9 (1846) neb" 



cmereus, Gould, P. Z. S 1845 (Pacific, N. of Equator).' 



»er»« teretirostru,, Lafresnaye, Rev. Zool. 1840, p 242 et 



Procelsterna tereticollis, id. Mas de Zool ]Sj-/ « on i 



Anous parvulus, Gould, P Z S ]R4i n ini n - L i ^ 

 138°W.). (Honden Island, Low archip. 14° S., 



HoS'l£r "'"'" Se " 5 ' Peale ' U * fc P'' & 1>. P. 28., (.848), 



Anou 



W 



