22. _Alectroenas nitidissima_. From the plate in the Volume commémoratif du Centenaire, Mus. Paris. 23. _Pezophaps solitaria_. Made up from descriptions and ancient drawings. 24. _Didus cucullatus_. From drawings. 24A. _Didus cucullatus_. See explanation, page 172. 24B. _Didus cucullatus_. See explanation, page 172. 24C. _Didus cucullatus_. See explanation, page 172. 25. _Didus solitarius_. From a picture supposed to be taken from a living specimen in Amsterdam, but beak and wing restored. 25A. _Didus solitarius_. After Dubois' description. 25B. 1, 2, 3. _Pezophaps solitarius_. Reproduction of ancient figures, see page 177. 4, 5, 7, 8. _Didus solitarius_. Reproduction of ancient figures, see page 177. {xxix} 26. 1. _Hypotaenidia pacifica_. From Forster's unpublished drawing in the British Museum. 2. _Pennula sandwichensis_. From the unique specimen in the Leyden Museum. 3. _Pennula millsi_. From skin in the Tring Museum. 27. _Nesolimnas dieffenbachi_. From the unique specimen in the British Museum. 28. 1. _Cabalus modestus_. From skin in the Tring Museum. 2. _Coturnix novaezealandiae_. From skin in the Tring Museum. 29. _Aphanapteryx bonasia_. From ancient drawing. 30. _Erythromachus leguati_. Made up from ancient outline figure and description. 31. _Leguatia gigantea_. Made up from ancient figures and descriptions. 32. _Apterornis coerulescens_. From description. 33. _Notornis alba_. From the plate in "Ibis," 1873. 34. _Notornis hochstetteri_. From the plate in the Zeitschr. f.d. ges. Ornithologie. 35. 1. _Aechmorhynchus cancellatus_. From the plate in Seebohm's "Charadriidae." 2. _Prosobonia leucoptera_. After the unpublished drawings in the British Museum, but the artist has not shown the white patch on the shoulder. 36. _Camptolaimus labradorius_. From the two specimens in the Tring Museum. 37. _Aestrelata caribbaea_. From the type specimen in the Dublin Museum. 38. _Alca impennis_. From the stuffed specimen in the Tring Museum. 39. _Carbo perspicillatus_. From a specimen in the British Museum. 40. _Dromaius peroni_. From the type of the species in the Paris Museum. 41. _Megalapteryx huttoni_. Restored from osteological remains and feathers. 42. _Dinornis ingens_. Restoration from skeleton and some feathers. * * * * * {1} PALAEOCORAX FORBES.