37. Nectarinia gouldiæ.: J. Gould & H.C. Richter, del et lith.: Walter, imp. Collection: Hill Ornithology Collection Date: 1850 Format: Image Creator: Gould, John (British painter, ornithologist, 1804-1881), ... Engraver: Richter, H. C.
38. [Lunated Forktail] Enicurus maculatus, Vigors.: J. Gould & H.C. Richter, del et lith.: Walter, imp. Collection: Hill Ornithology Collection Date: 1850 Format: Image Creator: Gould, John (British painter, ornithologist, 1804-1881), ... Engraver: Richter, H. C.
39. Euplocomus Vieilloti, G.R. Grey.: J. Gould & H.C. Richter, del et lith.: Walter, imp. Collection: Hill Ornithology Collection Date: 1850 Format: Image Creator: Gould, John (British painter, ornithologist, 1804-1881), ... Engraver: Richter, H. C.
40. [Gambel's Partridge] Callipepla gambelii.: J.Gould & H.C. Richter del et lith.: Hullmandel & Walton, Imp. Collection: Hill Ornithology Collection Date: 1850 Format: Image Creator: Gould, John (British painter, ornithologist, 1804-1881), ... Engraver: Richter, H. C.
41. Ramphastos Inca, Gould.: Gould & Richter, del.: Hullmandel & Walton, Imp. Collection: Hill Ornithology Collection Date: 1854 Format: Image Creator: Gould, John (British painter, ornithologist, 1804-1881), ... Engraver: Richter, H. C.
42. Orthorhynchus Ornatus, Gould.: J. Gould & H.C. Richter, del et lith.: Walter & Cohn, Imp. Collection: Hill Ornithology Collection Date: 1861 Format: Image Creator: Gould, John (British painter, ornithologist, 1804-1881), ... Engraver: Richter, H. C.
43. Hylocharis sapphirinus: J. Gould & H.C. Richter, del et lith.: Hullmandel & Walton, Imp. Collection: Hill Ornithology Collection Date: 1861 Format: Image Creator: Gould, John (British painter, ornithologist, 1804-1881), ... Engraver: Richter, H. C.
44. Lampornis Mango.: J. Gould & H.C. Richter, del et lith.: Hullmandel & Walton, Imp. Collection: Hill Ornithology Collection Date: 1861 Format: Image Creator: Gould, John (British painter, ornithologist, 1804-1881), ... Engraver: Richter, H. C.
45. Calypte annae.: J. Gould & H.C. Richter, del et lith.: Hullmandel & Walton, Imp. Collection: Hill Ornithology Collection Date: 1861 Format: Image Creator: Gould, John (British painter, ornithologist, 1804-1881), ... Engraver: Richter, H. C.
46. Eriocnemis gondini (Godini’s puff-leg), plate 277 Collection: Images from the Rare Book and Manuscript Collections Date: 1861 Format: Image Creator: Gould, John (British painter, ornithologist, 1804-1881)
47. Casuarius uniappendiculatus, Blyth.: J. Gould & H.C. Richter del. et lith.: Walter, Imp. Collection: Hill Ornithology Collection Date: 1869 Format: Image Creator: Gould, John (British painter, ornithologist, 1804-1881), ... Engraver: Richter, H. C.
48. Fratercula arctica,Linn.: J.Gould & H.C. Richter, del et lith.: Walter & Cohn, Imp. Collection: Hill Ornithology Collection Date: 1873 Format: Image Creator: Gould, John (British painter, ornithologist, 1804-1881), ... Engraver: Richter, H. C.
