AN A LIST HA LJ AN 8 A U HO L’T Ell Y (11 A N — KT 1 1 Kill l >UK . 
20 
As regards /\ snthsrlandi } 1 havo endeavoured to supply further 
details than those given hy Sir V. MeOoy from an examinat ion 
of the typo spool" mens, kindly placed at my disposal hy him, 
supplemented hy additional material from Queensland.* * * § I believe 
C. frnosro pdas to be distinct from both these forms. The flattened 
articular portions of the contra in /\ mtherlandi , and the u more 
flattened than concave ” centres of the cervical vertebra appear 
to separate this species. In /’. inacrQapondylus the edges of the 
articular surfaces of the centra are rugose, and thereby wholly 
differ from those of our form. 
Of the New Zealand species, G. australis , Owen ( -f l\ crassi- 
costatusy Owen), | possesses cervical vertebrae with flattened centra 
terminations, a distinct median pit in each, four Invmal foramina, 
and the neural arches and rilm persistently independent of the 
centra. The difference between this and the corresponding struc- 
ture in (7. Itmoscopdus is manifest. In C. hoodii, Owon,J the 
haemal surface of ( ho cervicals is broad and flat, and there is no 
special transverse oblong depressions in the middle of the articular 
surfaces of the centra. 
The cervical vertebra of P, holmssi, Ilootor,§ have flat terminal 
faces, and a humerus referred to this species, has the articular 
head divided hy a bicipital notch, not a groove as in the present 
case. 
P. traverai , llootor,|| and /*. maekayi. Hector,** are less known 
forms ; the first is said to possess quadrate vertebral centra. 
Lastly, the absence of cervical vertebra) in the type specimens of 
C.caudalisy Hutton, fi renders a comparison difficult. 
* Etheridge, Juur., Ann. Hep. I.)opt. Minos N.S.W., 1887 | p, 107, 
t. 1, f. 1-4. 
f Geol. Mag., vii., 1870, p. 61, t. 3, f. 4-5. 
J lbid. t f. 1-3 | Hector, Trans. N. Zealand Inst., vi., 1874, p. 343. 
§ Hector, loc. cit., p. 844. 
|| Ibid p. 844. 
** Ibid., p. 346. 
ft Ibid., xxvi., 1804, p. 354. 
