POLYPLACOPHORA. 107 



areas radially granose. Marginal ligament very wide, brown, satiny. 

 .Length 26, breadth 17 mill. (Rochebr. in Bull. Soc. Philom. Paris, 

 ,1880-'81, p. 120). 



Wellington, New Zealand (Quoy & Gaimard). Rare. Paris 



Mus. 



ONITHOCHITON ASTROLABEI Rochebr. Shell ovate ; rubescent or 

 green, conspicuously ornamented with concentric brown lines. 

 Valves transversely rather narrowed, smooth. Lateral areas 

 obscurely lirate, longitudinally and laterally lineated, the lines 

 granulose. Marginal ligament wide, brownish, silky. Length 16, 

 width 10 mill. (Rochebr. in Bull. Soc. Philom. Paris, 1880-81, p. 

 120). 



New Zealand (Quoy & Gaimard). Rare. Mus. Paris. 



LEPIDOPLEURUS MELANTERUS Rochebr. Shell ovoid, rotund ; 

 chestnut painted with black spots. Anterior valve, posterior part 

 of posterior valve, and lateral areas concentrically lyrate, the Jyrae 

 wide and flattened. Central areas most minutely tessellated. Mar- 

 ginal ligament narrow, dull rufous. Length 20, width 6 mill. 

 (Rochebr. in Bull. Soc. Philom. Paris, 1883-'84, p. 37). 



Campbell Island (Filhol). Common. Paris Mus. 



LEPIDOPLEURUS CAMPBEL'LI [sic] Filhol, Length 17, width 8 

 mill. Color clear yellow, last valve larger than the first, covered 

 with concentric lines, granulated. Lateral areas marked with con- 

 centric lines, having a concavity above. (Comptes Rendus, xci, p. 

 : 1095, 1880). 



Campbell L 



TONICIA GRYEI Filhol. Very variable in coloration. First and 

 last valves smooth in old individuals, granulose in the young. 

 Intermediate valves marked with concentric lines, parallel on the 

 anterior border of the valve (L c., p. 1095). 



Campbell L 



PLAXIFORA CAMPBEL'LI [sic] Filhol. Allied to P. biramosa 

 Quoy, but differing from it in the greenish color, by the last valve 

 being covered with projecting concentric lines, and by the presence 

 of very bushy bunches of hairs, not binary (I. c., p. 1095). 



Campbell L 



TONICIA RUBIGINOSA Hutton. Oblong ; margin slightly tomen- 

 tose ; valves rather elevated, subcarinate, flattened on each side; 



