Trans. N.Z. Inst., Vol. XLIX. 



Plate XXX I IT. 



J. 



FiG.|l. — Kossmaticeras tenuicostatum n. sp. X £. 

 Fig. 2. — Kossmaticeras zelandicum n. sp. Nat. size. 

 Fin. 3. — Lytoceras sp. Nat. size 

 Fig. 4. — Panopta worthingtoni Hutton. Nat. size. 



