MITRA.— Plate XXXVII. 



part, longitudinally ribbed, ribs somewhat nodose at 

 the angle, interstices cancellated with small transverse 

 ridges ; ashy grey, encircled with a rather interrupted 

 whitish band, base whitish ; columella four-plaited ; 

 aperture small. 

 u. Pro. Zool. Soc., 1S45. 



Hab. Cagayan, Province of Misamis, Island of Minda- 

 nao, Philippines (found under stones at low water) ; 

 Cuming. 

 A sharply turreted shell in which the prominent parts of 



the ribs are white upon a dark ashy ground. 



Species 312. (Mus. Cuming.) 



MlTRA LIMATA. Miti: testa ova/a', rrassiiiseula , spirdme- 

 diocri; laevigata, politd, transversim undique sulcata, 

 tulcis puncturatit ; a ' >idd,fat idfuscescente attifloccatd 

 cimjulatd ; eulu„irUd quadriplicatd. 



The polished Mitre. Shell ovate, rather thick, spire 

 middling; smooth, polished, transversely grooved 

 throughout, grooves punctured; whitish, encircled by 

 a pale white-flaked band ; columella four-plaited. 



Reeve, Pro. Zool. Soc, 1845. 



Hab. Island of Bohol, Philippines (found under stones on 

 the reefs at low water); Curning. 

 The grooves of this species arc more deeply punctured 



towards the upper part of the whorls. 



Species 313. (Mus. Cuming.) 

 Mitra exilis. Mitr. testa elonyatd, Iimi sabreeurvd, spird 

 subobtusd ; liris minutis undique granoso-decussatd ; 

 pallid!; violaceo-purpurascente, anfractu ultimo fascia 

 lata saturatiore cingulato, infra albicante ; columella 

 quadriplicatd, plicis parvis ; labro incrassato. 

 The slender Mitre. Shell elongated, base a little re- 

 curved, spire somewhat obtuse; granoseh d.vn :n,-J 

 throughout with minute ridges ; pale violet purple, 

 last whorl encircled with a dark band of the same 

 colour, whitish beneath ; columella four-plaited, plaits 

 small ; lip thickened. 



Reeve, Pro. Zool. Soc, 1845. 



Hab. Island of Ticao, Philippines (found under stones at 

 low water) ; Cuming. 



A very interesting species, with a decussated granular 

 surface, like that of a thimble. 



Species 314. (Mus. Cuming.) 



Mitra mica. Mitr. testa elongatd, subcylindraced, basem 

 versus contractd; liris granulosis undique creberrimi 

 decussatd; fused, zona albidd cingulatd; columella 

 quadriplicatd. 



The crumb Mitre. Shell elongated, somewhat cylin- 

 drical, contracted towards the base ; closely decussated 

 throughout with granulated ridges ; brown, encircled 

 with a white zone ; columella four-plaited. 



Reeve, Pro. Zool. Soc, 1845. 



Hab. Island of Guimaras, Philippines (found in coarse 

 sand at the depth of six fathoms) ; Cuming. 



The colour of this shell is that of a dull earthy brown. 



Species 315. (Mus. Cuming.) 

 Mitra armillata. Mitr. testa p>/ra>,/ida/i, spird turritd ; 

 avfractibus superite jihinu-uiiijulatis, loitgitudinaliter 

 concentric^ costatis, costis angustis, numerosis, ad ungu- 

 ium nodulosis, transversim impressis .• purpureo-fuscd, 



zonula httesri ,i/e eiiii/iilatd ; euliiiiiellii quialrijilieatd 

 aperturd brevi. 



The armed Mitre. Shell pyramidal, spire turreted 

 whorls flatly angulated at the upper part, longitudi 

 nally somewhat concentrically ribbed, ribs narrow 

 numerous, nodulous at the angle, transversely im 

 pressed; purple brown, encircled with a small yel 

 lowish zone ; columella four-plaited ; aperture short 



Peeve, Pro. Zool. Soc, 1845. 



Hab. Island of Annaa, Pacific Ocean (found on the reefs); 

 Cuming. 

 A very prettily sculptured species in which the ribs are 



disposed somewhat concentrically. 



