Xll EXPLANATION OF THE PLATES. 



Plates Pa or 



(^Triassic Cephalopoda from New Zealand;^ 



I Triassic Gasteropoda from N.Z. ; Psevdo- I 



! 3I0X0TIS AND MoxoTis; Triassic Lamelli- I 



XVII-XXV^ BRANciis from N.Z. ; Triassic Brachiopoda J- 165 



I from N.Z. ; AND Triassic SpirifbrinjB from j 



I N.Z., illustrating Dr. C. T. Trecbiiiann's paper | 



l^ on the Trias of New Zealand ) 



( LeFTALEOCEHAS, AcAXTHOPLEVROCEliAS, I^AD-] 

 I .STOCKICEJRAS, GZEVICERAS, J\JlCItODEROCERAS, \ 



XX\l-XXXJ-{ Arietites, and Arxioceras, illustrating )■ 257 

 I Mr. S. S. Buckninn's paper on the Chronology | 

 [ of the Lias J 



