Bulletin 118

Bulletin of the British Ornithologists’ Club Vol. 118, 1998

Jessup, L. ‘Gibsone’s nondescript’ and the type of Scissirostrum dubium (Latham). 5
Frith, C B & Frith, D W. Hybridization between macGregor’s Bowerbird Amblyornis macgregoriae and the Streaked Bowerbird A. subalaris (Ptilonorhynchidae) of New Guinea. 7
Mauricio, G N & Dias, RA. Range extensions and new records for forest birds in southern Rio Grande do Sul, Brazil 14
Stiles, F G. Notes on the biology of two threatened species of Bangsia tanagers in northwestern Colombia. 25
Figuerola-Esquivel, E M, Navarro, S, A G & Pozo-de la Tijera, C. New distributional information on the birds of southern Quintana Roo, México. 32
Brace, R C & Hornbuckle, J. Distributional records of and identification notes on birds of the Beni Biological Station, Beni, Bolivia. 36
Olson, S L. Notes on the systematics of the Rockrunner Achaetops (Passeriformes, Timaliidae) and its presumed relatives. 47
Clark, W S & Clark, R. Differences in tarsal length between adult female Montagu’s and Pallid Harriers: an easy method to separate specimens 52
Reid, K. Franklin’s Gull Larus pipixcan at South Georgia. 55
Tyrberg, T. The date of publication of Montin’s description of Lagopus mutus. 56
Collar, N J. Wattled Cranes in Guinea-Bisau. 57
McAllan, I A & Christidis, L. Neotype of the Hooded Plover Charadrius rubricollis Gmelin, 1789. 62
Lambert, F R. A new species of Amaurornis from the Talaud Islands, Indonesia, and a review of taxonomy of bush hens occurring from the Philippines to Australasia. 67
Zyskowski, K, Peterson, A T & Kluza, D A. Courtship behaviour, vocalizations, and species limits in Atthis hummingbirds. 82
Gamauf, A & Preleuthner, M. A new taxon of the Barred Honeybuzzard Pernis celebensis from the Philippines. 90
Delestrade, A. Distribution and status of the Ethiopean population of the Chough Pyrrhocorax pyrrhocorax baileyi. 101
Demey, R & Fishpool, L D C. On the existence of a melanistic morph of the Long-tailed Hawk Urotriorchis macrourus. 105
Collins, C T. Food delivery and chick provisioning in the cypseloidine swifts. 108
Riley, J, Hicks, D & Wardill, J C. The taxonomic status of Halcyon enigma onthe Talaud Islands, Indonesia. 113
van Balen, S. A hybrid munia? 118
Peterson, A T. The distribution and type locality of the extinct Slender-billed Grackle Quiscalus palustris. 119
Agro, D J & Ridgley, R S. First record of the Striped Manakin Machaeropterus regulus in Guyana. 122
Carter, M F & Dickerman, R W. The first documented nest and eggs of Merops muelleri mentalis. 123
Collar, N J. Monotypy of Francolinus griseostriatus. 124
Gregory, S M S. The correct citation of Coragyps (Cathartinae) and Ardeotis (Otidae). 126
Rasmussen, P C. A new species of Scops-owl from Great Nicobar Island. 141
Horne, J F M & Short, LL. A case of “song-capture”: Rufous-naped Lark uses nightjar song in place of its own song. 153
Begazo, A J & Valqui, T H. Birds of Pacaya-Samiria National Reserve with a new population (Myrmotherula longicauda) and new record for Peru (Hylophilus semicinereus). 159
Archer, A L & Iles, D B. New bird records for Unguja (Zanzibar Island). 166
Collins, C T & Araya, T A. Natal pterylosis of tanagers II: Tachyphonus, Ramohocelus and Tanagra. 172
Anderson, D L, Bonta, M & Thorn, P. New and noteworthy bird records from Honduras. 178
Lanús, B L, Clay, R P & Lowen, J C. A new plumage of White-winged Nightjar Caprimulgus candicans (Aves: Caprimulgidae) 183
Walters, M. The eggs of the Pink-headed Duck. 187
Clark, W S & Wheeler, B K. ‘Dark-morph’ Sharp-shinned Hawk reported from California is normal juvenile female of race perobscurus. 191
Riley, J, Hicks, D & Wardill, J C. The identity of Eos histrio challengeri Salvadori 1891. 193
Garnett, S. Clarification of the type locality of the Golden-shouldered Parrot Psephotus chrysopterygius. 196
Lambert, F R & Rasmussen, P C. A new Scops Owl from Sangihe Island, Indonesia. 204
LeCroy, M & Peckover, W S. Misima’s missing birds. 217
Holmgren, J. A parsimonious phylogenetic tree for the swifts, Apodi, compared with DNA-analysis phylogenies. 238
Weller, A-A. On types of trochilids in the Natural History Museum, Tring. I. Amazilia Sumichrasti Salvin, in relation to morphology and biogeography witing the A. beryllina complex. 249
Olson, S L. Lectotypification of Charadrius rubricollis Gmelin, 1789 256
Pacheco, J F & Whitney, B M. Correction of the specific name of the Long-trained Nightjar. 261