BY R. TATE AND W. L. MAY. 413 



Genus Ischnochiton, Gray, 1847. 



I. CRispus, Reeve, Conch. Icon., Chiton^ f. 120. 

 /. Haddoni, Pilsbry, 1894; Chiton longicymba, Sowb. 

 Common, S. and E. Coasts, very variable in colour, W. L. May. 



I. fruticosus, Gould, "Obia," p. 4. 

 Chiton divergens, Reeve, Conch. Icon., 1847; C. proieus, Angas, 



non Reeve. 

 Census. 



I. carinulatus, Reeve, Conch. Icon., Chiton. 

 Type (Brit. Mus.). 



I. CONTRACTUS, Reeve, Conch. Icon., Chiton, f. 78. 

 Type (Brit. Mus.); Census. 



*I. Tateanus, Bednall, Mai. Soc, ii., p. 147, t. 12, f. 3, 1 897. 

 Frederick Henry Bay, W. L. May. 



*I. SMARAGDiNQS, Angas (Lophyvus), P.Z.S., 1867, p. 115, t. 13, 

 f. 28. 

 N. Coast only, W. L. May; Table Cape, R. Tate. 



Genus Ichnoradsia, Shuttleworth, 1853. 



"^I. NoViE-HoLLANDi^, Recve, Conch. Icon., Chiton sp., 142. 

 Frederick Henry Bay, not common, W. L. May. 



Subgenus Haplopax, Pilsbry, 1894. 



*H. Mayii, Pilsbry, " Nautilus," viii., p. 128, 1895. 

 Pirate's Bay (type !). 



Genus Callistochiton, Carpenter, 1879. 



*C. antiquus. Reeve, Conch. Icon., Chiton, f. 169. 

 Loc. '?(Coll. Miss Lodder !). 



Family MOPALIID.E. 



Genus Plaxiphora, Gray, 1847. 



*P. PETHOLATA, Sowerby, Conch. Illus., f. 65-66. 

 E, and S. Coasts, not common, W. L. May. 



