cation of Iron i ."in to MM) diain'trr- is neC80ary to deHMMIttntfl it iii 

 many 



N.CMVI :i:i :\ IMi. IM. 54, flg& 20 



Shell oval, moderately elevated, not earinated, tin- ^ide slope* 

 straight. Surtaee lii>t-rls<, u r 'ii. -rally enerusted with ealrareous 

 IT n> wths, gray or greenish blotched with Mack or dark green uitli 

 some liirht marking or liirlit va! 



The median valves arc beaked when young, but eroded and 

 hardly beaked when adult, the lateral <i d lmt w>i 



Itiftwo/inr iride rounded r/Ax with a shallow depression between them ; 

 one rib diagonal, the other at the posterior border. Entire surface 

 of all valves rrenh/ n>r> rc<! with comparatively coarse i/ru/iutes. 

 Anterior valve having 8 or 9 low rounded radiating ribs. Posterior 

 I'n /re very small, the mucro somewhat behind the center, the slope 

 behind it straight ^posterior mart/in cni<i,-</in>if> (ai in Kudoxochiton, 

 p. 193.) 



Interior bluish in the middle, olive-greenish at the sides. $' 

 rather deep and amju/nr, t'trif jinnm* / .-/"' ".'/// A more or less 

 distinct laminate triangle extending from sinus to beak. Anterior 

 valve having 8 or 9 slits corresponding in position to the external 

 ribs ; the slits are very short, but are continued as grooves to the 

 eaves outside ; median valves with 1 slit ; the anterior teeth nearly 

 smooth, distinctly thickened or " propped" outside at the slits; pos- 

 terior valve having slits, the teeth rather stumpy, short in the mid- 

 dle behindj longer and directed forward at the sides. Eaves rather 

 wide and coarsely spongy. 



Girdle narrow, alternately dark and light, compactly covered 

 with small, subcircular or irregularly polygonal scales, striated on 

 the convex outer surface, crowded together; the margin beset with a 

 series of slightly flattened, striated translucent bristles, (figs. 31, 33). 



Length 14, breadth 8 mill. 



Length 20, breadth 12 mill. 



Entire Mediterranean and Adriatic Seas; Atlantic Ocean at 

 Cadiz, Spain. Littoral zone. 



Chiton i-'niereus (+ Lophi/rn.^ nnlphlctensis) POLI, Test. utr. 

 Sicil. i, multivalvia p. 4, t. ?>, f. 1-20, (1791). Not C. eta 

 Linn. C. capreann SCACCHI, Cat. Conch. Regni Neapolitan!, p. 9 

 (1836) teste Monts. C. caprearum Scac., BUG., DAUTZ. and DOI.I.- 

 FUS, Moll. Mar. Rouss. i, p. 492, t. 61, f. 7-9 ; t. 62, f. 1 (1886). 



