. Transactions and proceedings of the New Zealand Institute . Suture-line of ^ hiOKUci. SuTUEE-LiNE OF PhylloceraK kairhi((. Orthoceras brownei, n. sp. Diameter, H in. ; length, not known. Septa ^ in. apart. Surface smooth. Siphuncle not seen. Orthoceras otapiriensis, Hector (?). Diameter, 3 in. ; length, not known. Septa I in. apart. Surface smooth. Siphuncle not seen. This organism appears to be identical with Hectors Belemnites otapiri-ensis, which is described as in all cases of a phragmacone without any records this form as abundant in the Hokonui Hills, the locality fro
. Transactions and proceedings of the New Zealand Institute . Suture-line of ^ hiOKUci. SuTUEE-LiNE OF PhylloceraK kairhi((. Orthoceras brownei, n. sp. Diameter, H in. ; length, not known. Septa ^ in. apart. Surface smooth. Siphuncle not seen. Orthoceras otapiriensis, Hector (?). Diameter, 3 in. ; length, not known. Septa I in. apart. Surface smooth. Siphuncle not seen. This organism appears to be identical with Hectors Belemnites otapiri-ensis, which is described as in all cases of a phragmacone without any records this form as abundant in the Hokonui Hills, the locality fromwhich this specimen came. It is remarkable that such genera as Broncoceras and Orthoceras shouldbe found in strata of such late periods. The former is associated with sucha curious assemblage of genera that it is extremely hard to suggest anyperiod to which they could all belong. Among these genera are Ostrcea, Trans. Inst., Vol. XLI. Pl.
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