98 



12. Callistochiton antiquus, Reeve. 



Chiton antiquus, Reeve, Conch. Icon., sp. 169; Pilsbry, Man. 

 Conch., ser. i., vol. xiv., p. 274. 



Specimens were obtained at Albany, Ellenbrook, and 

 Yallingup. 



13. Chiton tricostalis, Pilsbry, 1894. 



Chiton (canaliculatus, var. ? ) tricostalis, Pilsbrv, Nautilus, 

 vol. viii. (1894), p. 54. 



Two specimens from Ellenbrook, south of Cape Natu- 

 raliste, one dark olive-green mottled with creamy-white, 

 terra-cotta, and light-green, the other terra-cotta with 

 splashes of red and white. 



14. Chiton torrianus, Hedley and Hull, 1909. 



Chiton, torri, Hedley and Hull, Records of the Australian 

 Museum, Sydney, vol. vii., No. 4, 1909, p. 162. 



Chiton Hullianus, Iredale, Proc. Mai. Soc, London, vol. ix., 

 part 2, June, 1910, p. 103. 



Chiton torrianus, Mai. Soc. Journal, March, 1911, vol. ix., 

 pt. iv. 



Numerous specimens of this handsome chiton were taken 

 at Esperance, Albany, Yallingup, Ellenbrook, and Rottnest 

 Island. Valves were plentiful on the beaches. I have them 

 up to 50 mm. in length. It is evidently one of the common 

 chitons of Western Australia. 



15. Chiton bednalli, Pilsbry, 1895. 



Chiton Bednalli, Pilsbry, Nautilus, vol. ix., p. 90, December, 

 1895. 



One median valve of this, the most beautiful of all our 

 chitons, was dredged from 20 fathoms in Geographe Bay. 

 Most of the specimens taken in South Australia have been 

 dredged. 



16. Chiton exoptandus, Bednall, 1897. 



Chiton exoptandus, Bednall, Proc. Mai. Soc, London, vol. ii., 

 part 4, April, 1897. 



One anterior valve and one median valve were taken 

 from 20 fathoms in Geographe Bay. 



17. Lorica volvox, Reeve, 1847. 



Chiton volvox, Reeve, Conch. Icon., sp. 31; Pilsbry, Man. 

 Conch., ser. i., vol. xiv., p. 237. 



Chiton cimolius, Reeve, Conch. Icon., sp. 141. 

 Valves of this very large species were picked up at Rott- 

 aiest Island and Ellenbrook, south of Cape Naturaliste. 



