173 
Family — A cantho chitonidce . 
Acanthochitona bednalli, Pilsbry, Proc. Acad. Nat. Sci.> 
Philad., 1894, p. 81, pi. 2, f. 7-11 ; Thiele, Faun. Sudwest Austr., 
IIP., 1911, p. 403, Albany, Dirk Hartog, and Sharks Bay. 
Acantiiochitona brevispinosus, Sowerby. — Chiton brevis- 
pinosus, Menke, Moll. Nov. Holl., 1843, p. 34, Arthur’s Head ; 
Pilsbry, Man. Conch., XIV., 1892, p. 231, pi. 47, f. 18-21. 
Acantiiochitona deliciosus, Thiele, Faun. Sudwest. Austr., 
III., 1911, p. 403, pi. 6, f. 5-10. Bunbury. 
Acantiiochitona speciosus, H. Adams. — Cryptoplax speciosa , 
H. Adams, Proc. Zool. Soc., 1861, p. 385 ; Pilsbry, Proc. Nat. 
Sci. Philad., 1894, p. 83, pi. 4, f. 31-3 ; Torr, Trans. Roy. Soc., 
S.A., XXXVI., 1912, p. 159. Albany. 
Acantiiochitona subviridis, Torr., Trans. Roy. Soc., S.A., 
XXXV., 1911, p. 104, pi. 25, f. 3. Albany. 
Acanthochitona verconis, Torr and Ashby, Trans. Roy. 
Soc., S.A., XXII., 1898, p. 217, pi. 6, f. 4 ; Torr. op. cit., XXXV., 
1911, p. 99. Geographe Bay. 
Acanthochitona suerii, Blainville. — Chiton suerii, Blainville, 
Diet. Sci. Nat., XXXVI., 1825, p. 553, King George’s Sound ; 
Chiton asbestoides , Smith, Zool. Alert, 1884, p. 83, pi. 6, f. G. ; 
Torr, Trans. Roy. Soc., S.A., XXXV., 1911, p. 99. Albany. 
Family — Cryptoconchcidce. 
Cryptoconchtts gtjnnii, Reeve. — Chitonellus gunnii, Reeve, 
Conch. Icon., IX., 1847, pi. 1, f. 5 ; Thiele, Faun. Sudwest 
Austr. III., 1911, p. 405. Fremantle. 
Crypto conchtjs hartmeyeri, Thiele, Faun. Sudwest Austr. 
III., 1911, p. 405. pi. 6, f. 18-26. Sharks Bay. 
Cryptoconchtts michaelseni, Thiele, Faun. Sudwest Austr., 
III., 1911, p. 404, pi. 6, f. 11-17. Sharks Bay. 
Family — Chitonidce. 
Rhyssoplax bednalli, Pilsbry. — Chiton bednalli , Pilsbry, 
Nautilus IX., 1895, p. 90 ; Bednall, Proc. Malac. Soc., II., 1897, 
p. 153, pi. 12, f. 8 ; Torr, Trans. Roy. Soc., S.A., XXXV., 1911, 
p. 98. Geographe Bay. 
Chiton coccus, Menke, Zeit. f. malak., I., 1844, p. 62. N.W. 
Australia. 
Rhyssoplax exoptandus, Bednall. — Chiton exoptandus, Bed- 
nall, , Proc. Mai. Soc., II., 1897, p. 152, pi. 12, f. 7 ; Torr, Trans. 
Roy. Soc., S.A., XXXV., 1911, p. 98. Geographe Bay. 
Rhyssoplax torrianus, Hedley and Hull. — Chiton torri , 
Hedley and Hull, Rec. Austr. Mus. VII., 1909, p. 262, pi. 73, 
f. 6—11. C. torrianus , Hedley and Hull, op. cit., p. XI., 1910 ; 
Torr, Trans. Roy. Soc., S.A., XXXV., 1911, p. 98. Esperance, 
Albany, Yallingup, Ellensbrook, Rottnest Is. 
