DINORNIS GIGANTEUS OWEN.
Dinornis giganteus Owen, Trans. Zool. Soc. III p. 237 (1843) and p. 307 (1846).
Moa giganteus Reichenbach, Nat. Syst. der Vög. p. XXX (1850).
Dinornis maximus (non D. maximus Owen of 1867!) Trans. Zool. Soc. X p. 147 (1877).
D. validus Hutton, Trans. N.Z. Inst. p. 111 (1892).
This is, as regards size, one of the more variable forms in the tarso-metatarsus, while the tibio-tarsus is remarkably constant. The tibio-tarsus is almost invariably 35 inches in length, while the tarso-metatarsus varies from 17.5 to 19 inches in length.
The type of D. giganteus Owen is from Poverty Bay; the type of D. validus is from Glenmark.
Habitat: North and Middle Islands, New Zealand.
Portion of skeleton in Tring Museum, from Kopua Swamps, Canterbury, New Zealand.
DINORNIS INGENS OWEN.
(Plate [42].)
Dinornis ingens Owen, Trans. Zool. Soc. III p. 237 (1843).
Movia ingens Reichenbach, Nat. Syst. der Vög. p. xxx (1850).
D. ingens var. robustus Owen, Trans. Zool. Soc. III p. 307 (1846).
Palapteryx robustus Owen, Trans. Zool. Soc. III p. 345 (1848).
D. firmus Hutton, Trans. N.Z. Inst. XXIV p. 114 (1892).
D. potens Hutton, l.c. p. 115.
D. ingens shows considerable variation in size, but the inter-gradation is so complete that it seems impossible to retain the four species ingens, firmus, potens and robustus, which Captain Hutton admits. This form was widely distributed over the North and Middle Islands. The type skull of P. robustus came from Timaru, the type of firmus from Wanganui, that of ingens from Poverty Bay, while that of potens is quoted from the East side of Middle Island, without specific type locality.