Type Specimens Of Birds In The American Museum Of Natural History Part 12. Passeriformes: Ploceidae, Sturnidae, Buphagidae, Oriolidae, Dicruridae, Callaeidae, Grallinidae, Corcoracidae, Artamidae, Cracticidae, Ptilonorhynchidae, Cnemophilidae, Paradisaeidae, And Corvidae Author Lecroy, Mary Department of Vertebrate Zoology (Ornithology) American Museum of Natural History text Bulletin of the American Museum of Natural History 2014 2014-12-30 2014 393 1 165 journal article 7639 10.1206/885.1 48769858-fe3b-415b-9ac8-3feeb42a9bae 0003-0090 4629954 Corvus corax richardsoni Miller and Griscom Corvus corax richardsoni Miller and Griscom, 1925: 5 (San Rafael del Norte ( 4100 ft. ), Nicaragua ). Now Corvus corax sinuatus Wagler, 1829 . See Hellmayr, 1934: 2 ; Monroe, 1968: 282–283 ; Dickinson, 2003: 514 ; dos Anjos, 2009: 638 ; and Martínez and Will, 2010: 75–76. HOLOTYPE : AMNH 144788 , female, collected at San Rafael del Norte , 4100 ft , 13.12N , 86.06W (Times Atlas ), Nicaragua , on 2 April 1917 , by W. DeW. Miller, L . Griscom, and W.B. Richardson. COMMENTS: The AMNH number of the holotype was given in the original description ; a single specimen was collected. Hellmayr (1934: 2) synonymized richardsoni with sinuatus , and subsequent authors have agreed.