POLYPLAOOPHOH \. 



areas radially grailOte, Marginal lii-aiumi very \vid-, 



Len-th LMI. hreadll. 17 mill. / AW/, /,/-. in I', 1'hilom. I' 



'-si, p. 120). 

 Wcllhujton, AV/r /<',,/<! n <{ M v hioy & Guimai 



Mus. 



ONITHOCHITON ASTROLABEl Rochebr. Shell ovate ; rutascc i 



green, conspicuously ornamental with concentric In-own linea. 

 Valves transversely rather narrowed, smooth. Lateral areas 

 obscurely lirute, longitudinally and laterally lineated, the lines 

 granulose. Marginal ligament wide, brownish, silk v. Length I'l, 

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

 120). 



New Zealand (Quoy & Gaimard). Rare. Mns. Pari-. 



LEPIDOPLEURUS MELANTERUS Rochebr. Shell ovoid, rot'.- 

 chestnut painted with black spots. Anterior valve, posterior part 

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

 wide and flattened. Central areas most minutely tessellated, 

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

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



Campbell Island (Filhol). Common. Pari- Mu. 



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, x< 

 1095, 1880). 



Campb. 



TONICIA GRYEI Filhol. Very variable in coloration. Fir.-t 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 (7. c., p. 1095). 



Campb' 



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

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

 being covered with projecting concentric lin.s, and by the presence 

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



Campbell /. 



TONICIA RUBIGINOSA Hntton. Oblong; margin slightly ton 

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



