Zoological Society, 481 



Hab. Islands of Mindoro and Bohol, Philippines (found under stones 

 at low water) ; Cuming. 



The granular coriaceous sculpture of this shell varies considerably 

 in different individuals. 



MiTRA CuMiNGii. Mitr. testd ovatd, utrinque attenuatd, spird 

 acuminato-turritd ; anfractibus superne angulatis, longitudinaliter 

 costatis, costis numerosis, ad unguium mucronatis, liris transversis 

 angustis cancellatis, interstitiis impressis ; aurantio alboque pecn- 

 liariter maculato-variegatd, maculis aurantiis nigra - lineatis ; colu- 

 melld quadriplicatd. 

 Conch. Icon., Mitr a, pi. 10. f. 67. 



Hab. Matnog, province of Albay, island of Luzon (found on the 

 reefs) ; Cuming. 



I dedicate this species to H. Cuming, Esq., as being one of the 

 most beautiful and characteristic of the many interesting new Mitres 

 collected by that indefatigable naturalist during his researches 

 amongst the Philippine Islands. 



MiTRA RUBiGiNosA. Mitr. tcstd elongato- ovatd, subfusiformi, trans- 

 versim crebrisulcatd, sulcis puncturatis ; albd, rubiginoso-tinctd ; 

 columella quinqueplicatd, plicis infimis subobscuris. 

 Conch. Icon., Mitr a, pi. 10. f. 68. 



Hab. Island of Ticao, Philippines (found on the reefs at low water) ; 

 Cuming. 



The iron-mould spots on this shell exhibit rather a tessellated 

 style of arrangement. 



MiTRA iNTERLiRATA. Mitr. testd subelongutd, spird acutd, trans- 

 versim liratd, liris numerosis, acutiusculis, lird minore intercur- 

 rente, interstitiis striis longitudinalibus elevatis cancellatis ; albd, 

 maculis perpaucis distantibus aurantio -fuscescentibus tinctd; colu- 

 melld subumbilicatd, quinqueplicatd, plicis infimis subobscuris ; 

 basi leviter ascendente ; aperturd longiusculd. 



Conch. Icon., Mitra, pi. 10. f. 70. 



Hab. Island of Masbate, Philippines (found in sandy mud at the 

 depth of four fathoms) ; Cuming. 



The narrow intermediate ridge forms a prominent feature in this 

 species. 



Mitra zebuensis. Mitr. testd subfusiformi, nitidd, basin versus 

 sulcatd, liris planiusculis, confertis, subiilissime cancellatd, liris 

 longitudinalibus fortioribus ; albidd, anfractuum parte superiori 

 maculis grandibus perpaucis castaneo-fuscis ornutd ; columelld 

 quinqueplicatd. 

 Conch. Icon., Mitra, pi. 10. f. 73. 



Hab. Island of Zebu, Philippines (found on the reefs at low water) ; 

 Cuming. 



The brown spots being situated around the upper part of the whorls 

 give an irregular tessellated character to the spire. 



Mitra infecta. Mitr. testd ovatd, basi recurvd, spird acuminatd ; 

 anfractibus striis impressis cinctis, ultimo tumidiusculo ; pallid^ 

 flavd, maculis castaneo-fuscis pictd ; columelld obsolete sexplicatd. 

 Ann. §• Mag. N. Hist. Vol, xv. Suppl. 2 L 



