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Message: <blockquote data-quote="mb1848" data-source="post: 1388205" data-attributes="member: 31036">I do not know the nomenclature rules but it looks like Gyldenstolpe in 1926 tried to nullify his (1916) siamensis name, stating S. l. latirostris (Raffles 1822) and S. l. poonensis (Sykes 1832) are the correct subspecies names.  Can an attempted nullification (withdrawal?) stop someone in 40 years from choosing the name because of new, DNA or other information?  It looks like Deignan did that .  He says siamensis is different from poonensis, and is non-migratory? Arkiv for Zoologi. Band 19 A. No. 1.Type Birds in the Royal Natural History Museum in Stockholm by Nils Gyldenstolpe.Communicated April 28, 1926.Tryckt den 5 November 1926.p. 61.“Alseonax siamensis Gyldenst. = Alseonax latirostris latirostris Raffles 1821Alseonax siamensis Gyldenstolpe, Orn Monatsber., vol. 24, No. 2, February 1916. (Northern Siam).Type: (♂) ad. Bang Hue Pong, Northern Siam. 27 V. 1914. When describing Alseonax siamensis from two specimens obtained in Northern Siam, I compared them with a series of specimens from Saghalien and Northern Siam.  This comparison showed, that the specimens which I called siamensis differed from the other examples-believed by me to be typical A. latirostris Raffl.-as I stated in the original diagnosis and were thus much more brownish above. Stuart Baker has, however recently pointed out (cf. Fauna of Brit. India, vol. II, 2nd. Edition, 1924, p. 248) that there are two races of this bird, viz the typical A.l.latirostris Raffl. (terra typical: Sumatra) and A.l. poonensis Sykes (terra typical: Poona). In the typical A. l. latirostris the upper parts are said to be brown, in some cases with a slightly ash tinge, the grey tinge very pronounced.The birds I formerly considered as typical latirostris are thus instead specimens of A. l. poonensis Sykes, hence the mistake of separating siamensis!Unfortunately I did not notice at the time whether my two specimens of »siamensis» were breeding when shot, but the plumage is considerably worn.  The grayish specimens (thus A.l. poonensis) obtained in Northern Siam were shot at the end of April, at the beginning of May and at the end of September and are probably migrating birds.”    I thought Cornell was making the list more like the AOU North American and South American formal lists.  In the Thirty-six supplement to the AOU list they cite Muscicapa dauurica Pallas .<a href="http://elibrary.unm.edu/sora/Auk/v104n03/p0591-p0596.pdf" target="_blank">http://elibrary.unm.edu/sora/Auk/v104n03/p0591-p0596.pdf</a>  .It also says: For use of M. dauurica instead ofM. latirostris see Watson, Traylor and Mayr (1986, inPeters, Birds World, 11, p. 318 footnote).  I have not read this but Ernst Hartert says in “List of the first Collection of Birds from the Natuna Islands” Novitates Zoologicae ;  that Pallas did not intend to name the bird Muscicapa dauurica but simply to mention the Dauurian variety therefore the next oldest name latirostris has rightly been adopted.  (Muscicapa grisola) B. (this is a Beta not a B) Varietas Dauurica quam, ob summam similitadinem, speciem distinctam prounciare non ansim magnitudine tamen et colore differt, …etc.   In the original text, Dauurica was not italicized. <a href="http://books.google.com/books?id=NEEAAAAAQAAJ&dq=Zoographia+Rosso-Asiatica,+sistens+omnium+Animalium&printsec=frontcover&source=bl&ots=GIMPn9MfPX&sig=9k7ML8f0A14S4U1AEBrpMXXtVS0&hl=en&sa=X&oi=book_result&resnum=2&ct=result#PPA461,M1" target="_blank">http://books.google.com/books?id=NEEAAAAAQAAJ&dq=Zoographia+Rosso-Asiatica,+sistens+omnium+Animalium&printsec=frontcover&source=bl&ots=GIMPn9MfPX&sig=9k7ML8f0A14S4U1AEBrpMXXtVS0&hl=en&sa=X&oi=book_result&resnum=2&ct=result#PPA461,M1</a>  .Look at pages 460-462Of course Raffles description of latirostris is very minimal:Second Part of the Descriptive Catalogue of a Zoological Collection made n the Island of Sumatra and its vicinity. Sir Thomas Stamford Raffles, Knt., F.R.S. Muscicapa.1. Muscicapa caerulea, Gme.2. Muscicapa Javanica, Sparm. Mus. Carls.Moorai Kandang.3. Muscicapa rufigastra.(description)“4. MUSCICAPA latirostris.Is remarkable for the extreme breadth of its bill.  It is a very small bird, less than five inches in length, of a light brown above and whitish beneath.”  (That is it!)For use of M. dauurica instead of M. latirostris, see G. E. Watson in Mayr and Cottrell (1986) (Check-List Birds of the World (Peter’s) and Banks and Browning (1995). Quoting Banks and Browning:“Muscicapa latirostris Raffles,1822  M. dauurica Pallas,1811.--The AOU (1987) added the Gray-breastedFlycatcher to the list of North American birds andfollowed Watson (in Mayr and Cottrell 1986:318) inusing the specific name dauurica Gibson (in Phillips1991:132) used the specific name latirostris on the basisthat Pallas' work was not published until 1827 anddauurica therefore, is, antedated by latirostris The dateof publication of Pallas's Zoographia Rosso-Asiatica wasa matter of contention for many years until the Commission(Opinion 212, 1954) fixed 1811 as the publicationdate for volumes 1 and 2 of that work (forhistory of that decision, see Hemming 1951).W e followthe decision of the Commission and recommenddauurica as the appropriate specific name.”.  But Hartert’s argument is not priority argument but one concerning the original describer and namer’s intent.  DeignanA new flycatcher from southeastern Asia, with remarks onMuscicapa latirostris Raffles. Ibis 99 : 340-344. (1957)Name proposed : Muscicapa williamsoniMuscicapa latirostris occuring in Thailand has hitherto beenconsidered to represent the nominate race only. The authornow suggests that nominate latirostris and cinereo-alba bothoccur as migrants and a resident race exists in north Thailand(named siamensis). Examination of all the Thai materialrevealed a form with "red-brown coloration and striatedunder-parts". The author gathered a series of ten and proposesthe name given above. He also gives localities and dates forall known skins.The WHITE-BELLIED FLYCATCHER. Muscicapa poonensis, Sykes, Proc. Zool. Soc. 1832, p. 85. Muscicapa acormus, Hodgs. Gray, Zool. Misc. p. 84 (June 1844).  So does cinereo-alba equal poonensis?  Does siamensis equal poonensis?  Yikes this is confusing!</blockquote>

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