SOUTH AFRICAN iMARIXE MOLLUSCA. 211 



Sowerby ('Marine Shells S. Afr./ p. 51), under the name of 

 Chiton watsoni. For other synonyms see Pilshr}', 'Man. 

 Conch./ vol. XV, p. 72. Chiton (Callochiton) gainiardi 

 Clessln ('Conch. Cab./ p. 65, PI. XXIII, fig. 7) is also a 

 synonym. 



Ischnochiton (Chondropleura) simplicissimus Thiele. 



I s c h n o ch i t o n (Chondropleura) simplicissimus 

 Thiele, 'Deutsch. Teifsee-Exped.,' " Valdivia," vol. ix, Lief 2, 

 p. 335, PL XXIX, figs. 21-25 (1906). 



Hab.— Off Cape of Good Hope, 318 m. (Thiele). 



Lepidopleurus sykesi (SoifcrJiy). 



Hab— Off the Cape of Good Hope (Thiele). 



This species was originally described as a Hanleya, but 

 Dr, Thiele has shown that it should be placed in the genus 

 Lepidopleurus ('Deutsch. Tiefsee-L^xped.,^ "Valdivia," 

 vol. ix. Lief 2, p. 328, PL XXIX, figs. 6-8). 



Acanthochites variegatus Nierstrasz. 

 Acanthochitesvariegatus Nlt^rstrasz, ' Zool . Jahrbiich .,' 

 vol. xxii, p. 500, PL XXVII, figs. 31-37 (1906). 

 Hab. — Natal Coast (Nierstrasz). 



Acanthopleura spinigera {Sou-i Hnj). 



Acanthopleura spiniger {Soiverhy) ; Pilsbry, 'Man. 

 Conch.,' vol. xiv, p. 221, PL XLVIII, figs. 22-32; Nierstrasz, 

 ' Notes Ley den Mus./ vol. xxv, p. 151 (1905). 



Hab. — Cape of Good Hope (Nierstrasz). 



Widely distributed from the Red Sea, through the Malay 

 Archipelago to the South Sea Islands. 



Acanthopleura brevispinosa {Sowerhy). 

 Acanthopleura brevispinosa [Soiverhy) ; Pilsbry, 

 'Man. Conch./ vol. xiv, p. 231, PL XLVII, figs. 18-21. 

 Hab. — Cape of Good Hope (Paris Museum). 

 This locality is doubted by Pilsbry. 



