166 Zoological Society. 



solidd, rimatd ; spird acuta; anfractibus convexiusculis, fulvd, 

 zonulis rufo-fuscis transversis, props suturas, duplicatis, ornatd, 

 longitudinaliter tenuissime striatd, transversim valde sulcatd ; aper- 

 turd ovato-oblongd, coarctatd ; columelld incurvatd ; labro extus 

 incrassato, intus dentato-lirato. 



Hah. China Seas. Mus. Cuming. 



Species collected by me during the voyage of H.M.S. Samarang. 



26. Planaxis succincta, A. Adams. P. testd ovato-conicd, 

 spird acuminatd, apice acuto, anfractibus convexiusculis, pallide 

 fused, fasciis linearibus, transversis, multis, rufo-fuscis, ornatd, 

 longitudinaliter substriatd ; anfractu ultimo transversim siil- 

 cato ; aperturd ovato-oblongd; columelld fused ; labro intus sul- 

 cato. 



Hah. Peru, and the West Indies. Mus. Cuming. 

 Allied to P. lineata of Montagu, but of larger growth and diiferent 

 form. 



27. Planaxis btjccinea, A. Adams. P. testd ovatd; spird 

 brevi, acutd, apice obtuso, rubro ; anfractibus planis, plicato-gra- 

 nulosis ; nigro-fuscd, cingillis articulatis, transversis, ornatd; 

 longitudinaliter substriatd, transversim valde sulcatd; aperturd 

 ovato-oblongd; columelld excavatd; labro intus creno-plicato, 

 extus incrassato, varicoso. 



Hah. West Indies. Mus. Cuming. 



28. Planaxis labiosa, A. Adams. P. testd ovato-conicd, 

 spird acutd, anfractibus convexiusculis, atro-purpured, fasciis 

 pallidis (5—6) transversis, in anfractu ultimo ; transversim striatd; 

 aperturd ovato-oblongd; columelld incurvatd et dilatatd ; labro 

 dilatato, margine reflexo et incrassato, intus lirato. 



Hah. Sandwich Islands. Mus. Cuming. 



29. Lagena Californica, A. Adams. L. testd solidd, ovato- 

 fusiformi ; spird, in medio, tumidd, anfractibus planiusculis, in- 

 ferne nodospinosis , albd, cingulis transversis, elevatis, rufo-fuscis 



articulatis ornatd, interstitiis obscuris, fuscis ; anfractu ultimo 

 longitudinaliter plicate, seriebus duobus tuberculorum subspinoso- 

 rum instructo ; aperturd ovato-oblongd ; columelld car neold, plicis 

 quatuor, albis, obliquis ; labro intus lirato. 



Hah. California. Mus. Cuming. 



Allied to L. picta, Lamk., but of different form and markings. 



30. Nassa Australis, A. Adams. N. testd ovato-fusiformi ; 

 spird acuminatd, pallide olivaced, fasciis tribus, transversis, fuscis, 

 ornatd, longitudinaliter valde plicatd, interstitiis valde transversim 

 sulcatis ; anfractu ultimo antice liris transversis subgranosis, 

 postice, prope suturam, tuberculis monilifomiibus ornato ; aper- 

 turd ovato-rotundatd, intus fused, et dentato-liratd ; labro margine 

 albo, postice valde inflexo et dentato. 



Hah. Australia. Mus. Cuming. 



