. Transactions and proceedings of the New Zealand Institute . Part of Sdtuke-line of Bi-oncocerasmavdevillei. Part of Suture-line ofAvceiites hokunui. Arcestes hokonui, n. , 2| in. ; breadth, Uin. Deeply involute, not compressed. Surface smooth, except for distant lines of growth. Phylloceras kawhise, n. sp. Diameter, 5| in. ; breadth, 2 in. Deeply involute, somewhat compressed. Shell smooth, except for ratherdistant lines of growth. No keel. iEgoceras brownei, n. sp. Diameter, 2 in. ; breadth, | in. Surface marked with transverse ridges, which bifurcate near the Anarces

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. Transactions and proceedings of the New Zealand Institute . Part of Sdtuke-line of Bi-oncocerasmavdevillei. Part of Suture-line ofAvceiites hokunui. Arcestes hokonui, n. , 2| in. ; breadth, Uin. Deeply involute, not compressed. Surface smooth, except for distant lines of growth. Phylloceras kawhise, n. sp. Diameter, 5| in. ; breadth, 2 in. Deeply involute, somewhat compressed. Shell smooth, except for ratherdistant lines of growth. No keel. iEgoceras brownei, n. sp. Diameter, 2 in. ; breadth, | in. Surface marked with transverse ridges, which bifurcate near the Anarcestes-\\ke. n:

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