18/8.] MR. G. B. SOWERBY, JUN., ON NEW SHELLS. 7!'.~> 



a. Uropygio et supracaudalibus dorso concoloribus, fiavo ncc albo 



marginatis. 

 a'. Tectricibus alarum minimis interioribus reliquis concolori- 

 bus ; plaga cubitali nulla. 

 a". Subtus fere concolores, baud squamati. 



a'". Pectore cineraceo, fascia mystacali nigricante ; reetri- 

 cibus extiruis pure albis brunneo terminates. 

 a 4 . Majores ; ala 35-o'7 uiic. 



a 5 . Pallidus : mento summo albicante ; tergi alarum- 



que pluinis brunneis flavo-olivascenti marginatis minor. 

 Ifi. Saturatior : mento summo mgi-icante ; tergi ala- 



rumque plumis nigris aurato-fiavo marginatis... conirostris. 



b l . Minor; ala 2"5 unc exilis. 



b'" . Pectore olivascenti-flavido ; fascia mystacali nulla ; 

 genis et regione parotica saturate cineraceis olivaceo 

 vix lavatis ; rectrice extima albicauti-brunnea, versus 

 apiceui oblique brunnea, reliquis saturate brunneis 



intus albicanti-brunneis malayauus. 



h". Subtus squamati, baud concolores ; guise plumis fuscis 

 albo marginatis quasi squamatis. 

 c"'. Pectore tantum squamato ; abdomine fere concolori 



albo ; hypochondriis albis brunneo striatis varkgatus. 



d'". Pectore et abdomine squamatis ; hypichondriis brun- 

 neis fere concoloribus maculatus. 



b'. Tectricibus alarum minimis interioribus lsete flavis, plagam 



conspicuam exbibentibus archipclagicus. 



b. Uropygio et supracaudalibus albicantibus, his albo marginatis. 

 c'. Tectricibus alarum minimis interioribus lsete flavis, plagam 



formantibus ; hypochondriis brunneo striatis sparrmani. 



d'. Plaga cubitali nulla ; uropygio pure albo, hand brunneo 



striato ; hypochondriis concoloribus ; pileo flavo lavato. 

 c". Regione parotica pallide brunnea ; rostro pallide brunneo major. 

 d". Regione parotica nigricante ; rostro nigro barianus. 



c. Uropygio et dorso postico flavis xamihonotus. 



2. Descriptions of ten new Species of Shells. 

 By G. B. SowerbYj Jim. 



[Received July 18, 1878.] 



(Plate XLVIII.) 



Conus melvilli, n. sp. (Plate XLVIII. fig. 1.) 



C. testa abbreviato-subcylindracea, solida, obtuse angulata, Icevi, 

 antice crenulato -sulcata, griseo-albida, cinnamomeo-fusco longi- 

 tudinaliter strigata, lineis fuscis undulatis transverse cincta ; 

 interstitiis lineis curvatis longitudinal ibus hie illic irregulariter 

 divisis ; spira obtusa, fusco-strigata ; anfractibus 7, convexis, 

 Icevibus ; apertura modica, fauce caslanea. 

 Long. 20, maj. lat. 11 mill. 

 Hab. Key West (J. Cosmo Melvill). 



A small obtuse Cone, with characteristic markings, somewhat re- 

 sembling those of C. lucidus (Mawe), on a smaller scale ; the trans- 

 verse brown lines are more numerous, and the short longitudinal 

 ones crossing the interstices less so. The light-brown streaks almost 



