137 
plicis obtusis, regularibus, distantibus, nodosis ; nodis postice 
prominentibus ; cingulis transversis nodulosis, obtusis, elevatis, 
instructd ; anfractu ultimo in medio angustato ; antice productd 
et subreflexd ; aperturd elongatd ; columella plicis quatuor ; labro 
posticé angulato, in medio inflezo, intus sulcato, margine crenulato. 
Hab. Socotra. 
28. Mirra atpina, A. Adams. WM. testd oblongo-fusiformi, albd; 
spird conicd, longitudinaliter plicatd ; anfractibus subrotundatis, 
liris transversis ornatis ; anfractu ultimo levi, posticé subplicato, 
antice sulcis transversis punctatis ornato ; columelld plicis quin- 
que ; aperturd oblongo-lineari ; labio subcalloso ; labro acuto. 
Hab. Batangas, Isle of Luzon, on the reefs. 
This Mitra is perfectly white, and of a very peculiar form; Mr. 
Cuming possesses but a single specimen. 
29. Mirra amana, A. Adams. WM. testd oblongo-fusiformi, albd, 
maculis rufis variegatd ; spird acuminatd ; anfractibus octo, sub- 
rotundis, carinulis transversis, levis, elevatis, rufo-fusco articu- 
latis, lird intermedia crenulatd, interstitiis eleganter longitudina- 
liter clathratis ; aperturd angustd; columellé plicis quinque ; 
labro tenui, acuto. 
Hab. Red Sea. 
This elegant species belongs to the annulated group. 
30. Mirra rutTita, A. Adams. WM. testd oblongo-fusiformi, acu- 
minatd, aurantiacd, maculis albis sparsis ornatd, fasciis pallidis 
transversis prope suturas, suturis maculis aurantiacis maculatis ; 
spird productd, acutd ; anfractibus septem, transversim liraté ; 
anfractu ultimo liris antice distinctioribus; aperturd dilatatd; colu- 
melld plicis quatuor ; labro acuto, anticé crenato. 
‘Hai. 2 runrtra Dwhran — Aro 
31. Mirra petrceata, A. Adams. M. testd ovato-fusiformi ; spird 
aperturd longiore ; anfractibus planis; suturd subcanaliculatd, sor- 
didé albd, fasciis transversis duabus pallidis ; longitudinaliter 
plicatd, plicis angustis, acutis, crenulatis, interstitiis transversim 
clathratis, anfractu ultimo antice angustato et recurvato; colu- 
melld plicis quatuor ; labro margine acuto, crenulato. 
Hab. Cape York, 8 fathoms (Jukes). 
A species of great delicacy, both of colour and sculpture. 
32. Mirra rurescens, A. Adams. WM. testd ovato-fusiformi ; 
spird acuminatd, sordidé albd, rufo variegatd, cingillis transversis, 
acutis, subdistantibus, liris duabus intermediis, interstitiis longi- 
tudinaliter valde sulcatis, sulcis subdistantibus ; columella anticé 
tortuosd, plicis quatuor obliquis instructd ; labro intern? sulcato, 
margine crenato. 
Hab. China Seas. 
This species, obtained during the voyage of H.M.S. Samarang, 
partakes of the same kind of sculpture as M. annulata and others, 
for which Swainson has formed a subgenus. 
[yn . 
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