92 Moll vii. mollusca. [ 1904 ] 
ages; Schweikart (550); C, assimilis , p. 118, setiger , p. 119, n. varr. ; 
Clessin in Martini & Chemnitz (426). 
Chiton ceylanicus , off Ceylon ; Smith, Ann. Nat. Hist, xiv, p. 7 : C. hindsi- 
anus , Hab. ?, p. 107, macidatus , Hab. ?, p. 112, soiuerbyanus , Colombia, 
p. 117, glaber, Chile, p. 118, angustus, Central America, p. 120; 
Clessin in Martini & Chemnitz (426), figg. : n. spp. 
Onithoohiton marmoratus , Now Zealand; Wissell, Zool. Jahrb. Syst. xx, 
p. 600, tig. : n. sp. 
