CHITON.—Ptate XXV. 
Species 172. (Mus. Cuming.) 
CHITON CALIGINOSUS. Chit. testd ovatd, valvis termina- 
libus ceterarum areisque lateralibus radiatim striatis, 
striis hic illic bifurcatis, areis centralibus minute reti- 
culatis ; olivaced, nigricante varid, valvarum margi- 
nibus posticis nigro-articulatis, ligamento granoso- 
cortaceo 
Tur GLoomy Curron. Shell ovate, terminal valves and 
lateral areas of the rest radiately striated, strize here 
and there bifurcated, central areas. minutely reticu- 
lated; olive, variegated with black, posterior margins 
of the valves articulated with black ; ligament gra- 
nosely coriaceous. 
Hab. Island of Negros, Philippines (under stones at low 
water); Cuming. 
The articulated painting along the posterior edges of 
the valves is rather a conspicuous feature in this species. 
Fig. 114. 
The shell here figured has been unfortunately mislaid 
since the drawing was executed. 
For Sp. 114 see Pl. XXVIT. 
Species 119. (Mus. Cuming.) 
CurTon RosEus. Chit testé subelongato-ovatd, valvis om- 
nibus pulcherrimé concentricé sulcatis, sulcis leviter 
undulatis, valvd posticd terminali conspicuée umbonata ; 
purpureo-rosed. 
THE ROSE Curton. Shell somewhat eclongately ovate, all 
the valves very beautifully concentrically grooved, 
grooves a little waved, posterior terminal valve con- 
spicuously umbonated ; purple-rose 
Sowersy, Pro. Zool. Soc. 1832. p. 58. 
Hab. Island of Plata, West Columbia (found attached 
to dead shells at the depth of seventeen fathoms) ; 
Cuming. 
A very peculiarly sculptured species of an uniform 
semitransparent purple-rose hue. 
Species 121. (Mus. Cuming,) 
Cuiton prcus. Chit. testé ovaté, anticé subattenuatd, 
valvis terminalibus ceterarum areisque lateralibus gra- 
nulatis, granulis obtusis, confertis, areis centralibus 
minute reticulatis; nigro alboque varidé; ligamento 
granoso-coriaceo. : 
THE MAGPIE CuHiTON. Shell ovate, a little attenuated 
anteriorly, terminal valves and lateral areas of the 
rest granulated, granules obtuse, close-set; central 
-areas minutely reticulated; variegated with black 
and white; ligament granosely coriaceous, 
Hab. ? 
Certainly distinct from any other species that as come 
under my notice. 
