46 



87. Chiton (Onilhochilon) concentricus Reeve. 



Taf. 17. Fig. 1. 



Chiton concentricus Reeve Conch. icon. fig. 95. 

 T. oblougo-ovata, umbonibus subrostratis, valvis terminalibus caeterarum areisque late- 

 ralibus concectrice sulcati?, centralibus longitudinaliter liratis, liris subdistantibus, interstitiis 

 excavatis, valva terminali postica umbonata, area parva trigona plana, medio notata; aerugi- 

 nosa; ligamento granoso-coriaceo, fusco testellato. 



Schalen: länglich-eiförmig, Wirbel etwas geschnäbelt, Endplatten wie die Seiten- 

 felder der übrigen Platten concentrisch gerippt, Mittelfelder längsgestreift, Streifen 

 ziemlich entfernt, mit vertieften Zwischenräumen, hintere Endplatte gewirbelt, in der 

 Mitte mit kleinen viereckigen flachem Felde; Farbe grau; Mantel gekörnelt-leder- 

 artig, braun gefleckt. 



Vaterland: Neuseeland. 



88. Chiton (Onithochiton) rugulosus Angas. 

 Taf. 17. Fig. 3. 



Onithochiton rugulosus Angas Proc. 1867 p. 115 t. 58 fig. 29. 

 Shell elongately ovate, a little narrowed in front, raised and carinated, pale yellowish- 

 brown, the central areas of the valves faintly spotted with olive outer edges bordered with 

 green, upon which and extending inwards are concentric waved bands of olive-brown darker 

 at the margin lateral areas not raised, transversely rugosely costate; dorsal areas finely 

 longitudinnaly ridged; mantle brown variegated with ash-colour and clothed with very minute 

 chafflike scales. 



Patria: Port Jankson, Australien. 



89. Chiton (Lophyrus) squamosus L'mn6. 



Taf. 1. Fig. 1-4. u. Taf 18. Fig. 2. 



Chiton squamosus Linnö Syst. nat. 12 ed. p. 1107. 



— — Chemnitz Conch. Cab. VIII p. 271 t^ 94 fig. 788-791. 



— — Reeve Conch. icon. fig. 16. 



T. oblongo-ovata, valvis terminalibus decussatim granoso-radiatis, granis marginem 



