(Ill : 171 



having about 1 '_' little impressed, di>lant siilci, parallel to tin- <i 



Mucro anteriorouboentral, moderately pi p 



having *-'> slits in end valve-, I in median valves; leetli a 

 deeply peetinated -hurt; .-inns wide, Mat, toothed. (Jirdlc 



furnished \vitli large, solid, imbricating but Mriated Males. 

 Length Hi, wi.lt h 6$, alt. . mill. 



TaM 



C/ilfnn ( Loj,hi/rii.^ itt'i-viridi* CIM:., I*. /. S. 1M'>.~>. p. 511. L/>li'j- 

 ri(.-i ptrviridit PEASE, Amer. Journ. Conch, vii, p. I'M. 



A solitary s])ecimen of this interesting species is very like ( '. v!re- 

 Kve. in general appearance: but the mantle of tiiat species is 

 nearly smooth and the valves scarcely sculptured. This shell 

 a uniform bright green. It has the aspect of Le]n'd l tj,/n.nru.< | Lepid- 

 ozona] ; but the insertion-plates though sharp, are deeply pectinated. 

 It differs from most other Chitons in having the scales di>tinctly 

 striated, as in C. 8friatof]uamosus. (Cpr.) 



C. P.URMANUS Carpenter, n. sp. 



Shell elevated, with acute dorsal ridge ; olivaceous or red, Imciny 

 a white blotch <i the tail vahe behind the mncro. 



Whole surface of the valves finely quincuncially granulated ; 

 central areas havinir nlmut '20 .<har}t mid distinct rib* <>n c<-I> 

 parallel to the dorsal ridge, upon which they are finer and cl 

 lateral areas having 3 to 5 roiv* of stout granules, some of the rows 

 not reaching to the apex. Knd valves having -'"> (or fewer) rows of 

 stout granules. Mucro of the tail valve median, the slope behind if 

 very concave. 



Interior having 8 slits in the anterior, 1 in the median, 1 1 in the 

 posterior valve; teeth sharp but distinctly pectinated : aves -hurt. 



Girdle covered with rather roundish oval scale.- of larue >i/e. 



Length 19, breadth l<).l mill.; divergence %. 



< 'u'i*f nj AfiL-'i/i. />Y///V/ Jtui'inuh, under stm-s at lu\v water. 



The British Museum contains four sj)ecimens, of which three are 

 olivaceous, the other red. The above description is from ( ar- 

 penler's .1/N. 



//'/, JNV?r Zt'itliDnl. 



The S])ecies of tli re mostly of moderate or small - 



and generally the muem is central and the scale- mieroscopicallv 



striated. 



