174 
Rhyssoplax tricostalis, Pilsbry. — Chiton tricostalis, Pilsbry, 
Nautilus, VIII., 1894, p. 54 ; Torr, Trans. Roy. Soc., S.A., 
XXXVI., 1912, p. 151. Ellensbrook. 
Tonicia hullianus, Torr, Trans. Roy. Soc., S.A., XXXV., 
1911, p. 104, pi. 25, f. 4. Ellensbrook. 
Acanthopletjra spinosa, Bruguiere, Chiton spinosa, Nat. 
Hist., I., 1792, p. 25 ; Iredale, Proc. Zool. Soc., 1914, p. 668. 
Monte Bello Is. 
Acanthopletjra georgiana, Quoy and Gaim.. — Chiton 
georgiana , Quoy & Giam., Zool. Astrolabe III., 1835, p. 379, pi. 75, 
f. 25-30, King George’s Sound ; Menke, Moll, Nov. Holl., 1843, 
p. 34, Arthur’s Head ; Thiele, Faun. Sudwest Austr., III., 1911, 
p. 399, pi. 6, f. 3. Albany, Geraldton. 
Acanthopletjra gemmata, Blainville. Diet. Sci. Nat. XXXVI., 
1825, p. 544. Chiton spiniger , Sowerby, Mag. Nat. Hist., 1840, 
p. 287, suppl., pi. 16, f. 2 ; Thiele Faun. Sudwest Austr., III., 1911, 
p. 398, Bernier, Turtle Is. and Cossack ; Iredale, Proc. Zool. 
Soc. 1914., p. 668. Monte Bello Is. 
Lorica volvox, Reeve. — Chiton volvox , Reeve, Conch. Icon., 
II., 1847, pi. 6, f. 31; Torr, Trans. Roy. Soc., S.A., XXXV., 1911, 
p. 98. Rottnest Is., Ellensbrook. 
Onithochiton scholvieni, Thiele, Zool. 1910, p. 99, pi. 10, 
f. 60, 61, and Faun. Sudwest Austral., III., 1911, p. 397. Fre- 
mantle, Bunbury, Rottnest Is. 
Lucilina dilecta, Thiele, Faun. Sudwest Austr., III., 1911, 
p. 397, pi. 6, f. 1, 2. Sharks Bay. 
Chiton exigtjus, Sowerby. — It is improbable that Menke, 
Moll. Nov. Holl. 1843, p. 34, correctly identified this from N.W. 
Australia. 
CLASS— GASTEROPODA. 
Order — Diotocardia. 
Family — Pleurotomariidce. 
Schismope atkinsoni, Ten. Woods. — Scissurella atkinsoni ., T. 
Woods, Proc. Roy. Soc. Tasm., 1876 (1877), p. 149 ; Schismope 
carinata , Watson (not Adams, 1862), Chall. Zool., XV., 1886, p. 
119, pi. 8, f. 6 ; Verco, Trans. Roy. Soc. S.A., XXXVI., 1912, p. 
201. Bunbury. 
Schismope ptjlchra, Petterd, Journ. of Conch., IV., 1884, 
p. 139 ; Hedley, P.L.S.N.S.W., XXV., 1901, p. 726, f. 25 ; Verco, 
Trans. Roy. Soc. S.A., XXXVI, 1912, p. 201. King George’s 
Sound, Hopetoun. 
Family — Fissurellidce. 
Scutus anatintjs, Donovan. — Patella anatinus, Donovan, 
Rees. Encycl., 1820, Conchology, pi. 16 ; Parmophorus australis , 
