| Book name (en) | A Monograph of the Trochilidae,or Family of Humming-birds |
| Book volume | Supplement |
| Identifier | suppl-41 |
| Gould Scientific name | Oxypogon cyanolæmus |
| Scientific name | Oxypogon cyanolaemus |
| Gould name (en) | Blue-throated Helmet-crest |
| Name (en) | Blue-bearded Helmetcrest |
| Order | APODIFORMES |
| Family | Trochilidae |
