2G2 coNus. 



lutea, fasciis tribus ex striis longitudinalibus et raaculis rufis 

 formatis ornata, seriebus numerosis macularum caudidai'um 

 purpureo-lividarum alteruatim cincta ; spira acumiuata, 

 coiiica, apice mucronato, sutura distincta, sparsim subcana- 

 liculata, longitudinaliter rufo strigata ; anfractus 10^ superne 

 angulati, ad apicem nodulosi, ultimus obtuse augulatus, 

 leviter ventricosus ; apertura modica, basim versus latior, 

 labrum acutum, superne siuuatum. Long. 50, lat. 20 mill. 



An exceedingly beautiful species, of wliicb the only 

 specimen at present known is in the collection of Mr. Melvill. 

 It was found in the stomach of a fish at Mauritius, and de- 

 scribed by Mr. H. Adams in 1872 under the name ofLeptocomus 

 Dusavelli. 



490. ruLVO-cmcTUS, Crosse (f. 713). — 0. testa cylin- 

 draceo-conica, crassa, liris transversis subdistantibus parum 

 conspicuis infra medium sculpta, striis incrementi longitudi- 

 naliter impressa, albida, zona lata pallide fulva interrupta 

 parum conspicua, paulo supra medium anfr. ultimi cincta ; 

 spira breviter conica ; sutura impressa, vix irregularis ; anfr. 

 10, planiusculi, lente accrescentes, liris tenuibus spiraliter 

 impressi, ultimus obtuse angulatus, basi attenuatus ; apertura 

 elongata angusta, basi paulo latior, fauce Candida, columella 

 basi incrassata, labrum sub-acutum basin versus obsolete 

 plicato-crenatum ad suturam sinuatum. Long. 75, lat. 14 

 mill. 



The figure is copied from the ' Journal de Conchologie,' 

 in which the spire is a little on one side, which may be a 

 distortion or a fault in the drawing. It is a plain-looking 

 shell, but apparently quite distinct. The specimen is from 

 the West African coast, and is now in the collection of Mr. 

 B. Thomas. 



491. Mazei, Beshayes (f. 7l4). — C. testa conica, elongato- 

 angusta, gracili, posterius paulo turgidula, antice attenuata, 

 striis puncticulatis distantibus obliquis ornata, alba subtrans- 

 lucida, nitente, maculis castaneis regularibus transversim 

 serialiter dispositis; spira elongata, regulariter conico-con- 

 caviuscula, apice acuminato; anfractus 12, plano-concaviusculi, 

 spiraliter striato-subgranulati, striis minutissimis clathrati; 

 ultimus subrotunde angulatus ; apertura longissima, angusta, 

 labrum acutum, pertenue paulo arcuatum, superne late 

 sinuatum. Long. 58, lat. 16 mill. 



