492 Zoological Society. 



transversim,fortitersulcatd,sulcispertusis; ruhidd, liris trans- 

 vcrsis profuse albimaculatis ; columelld quinqueplicatd. 

 Conch. Icon., Mitra, pi. 24. f. 186. 



Hah. Island of Masbate, Philippines (found under stones at low 

 water); Cuming. 



This species, which appears to be figured by Kiener for the Mitra 

 nucleola, may be connected by a series of intermediate varieties with 

 the Mitra cucumerina. 



Mitra astricta. Mitr. testd ohlongo-ovatd, basi truncatd ; anfrac- 

 tihus Icevibus, cinereo-fuscis, fascid albidd infra suturam, lineisque 

 fuscescentibus parallelis crebris undique cinctis ; columelld quadri- 

 plicatd; lahro suheffuso. 



Conch. Icon., Mitra, pi. 24. f. 188. 



Hah. } 



The entire surface of this shell is enlaced with fine brown lines. 



Mitra sinensis. Mitr. testd cylindraceo-oblongd, crassd, spird 

 brevissimd, acutd; transversim crebriliratd, liris angustis, promi- 

 nentibus, granosis, lineisque longitudinalibus impressis exilibus 

 decussatd ; fused ; columelld decemplicatd, callositate conspicud 

 superne armatd; intus fused, nitide encausticd. 

 Conch. Icon., Mitra, pi. 24. f. 190 b. 

 Mitra crenulata (pars), Kiener, Icon., f. 105 a. 

 Hah. Coast of China. 



This fine species, though one of great rarity, has been probably 

 confounded hitherto with the Mitra crenulata, an error into which I 

 had myself fallen, until the arrival of a magnificent specimen most 

 liberally forwarded to me for inspection by M. Gruner of Bremen, 

 and which has been invaluable as the means of establishing a new 

 and very important species. It differs entirely from the Mitra crenu- 

 lata, independent of colouring and size, in the character of its sculp- 

 ture, whilst the columella has an additional number of plaits and is 

 armed with a remarkable callosity at the summit. 



Mitra glans. Mitr. testd ovatd, subcylindraced, superne obesd, 

 crassd, solidd, spird brevissimd, partim occultd ; longitudinaliter 

 obtuso-costellatd, costellis fortiter granulosis ; vivide aurantio- 

 fused, granulis albidis, intus albd ; columelld octoplicatd. 



Conch. Icon., Mitra, pi. 24. f. 191. 



Hah. Island of Masbate, Philippines (found on the reefs at low 

 water) ; Cuming. 



Characterized by its very distinctly granulated sculpture, and by 

 its short obese form. 



Mitra undulosa. Mitr. testd cylindraceo-ovatd, crassd, spird 

 brevissimd; IcBviusculd, lineis exiliter impressis undique cinctd; 

 albd, lineis fuscis cingulatd, undulisque fuscis angustis longitudi- 

 nalibus variegatd ; columelld octoplicatd. 



Conch. Icon., Mitra, pi. 24. f. 192. 



Hab. Island of Ticao, Philippines (found among coral sand on the 

 reefs at low water) ; Cuming. 



The lineated character of the painting is so different from that of 



