446 Zoological Society. 



pallidissimis pictd ; suturd seepius infuscatd ; anfractihus planiuS' 

 culis, ultimo basi rotundato, minime angulato ; aperturd ovatd, 

 concolore ; columella arcuatd, vix compressd. 

 Altit. 7, diam. 4|, altit. aperturse 3|. 



Hab. Insula Ticao, Philippinarum (on rocks, high water; Cu- 

 ming). 



14. LiTTORiNA PALLESGENS. Lit. tcstd oblougd, subtuvvitd, solidd, 

 albidd ; anfractibus convexiusculis, superioribus lineis impressis 

 novem, ultimis lineis elevatis obtusis {circa quatuor in anfractu 

 penultimo) sculptis ; aperturd patuld, semiorbiculari ; columelld 

 brevi, compressd, 



Altit. 10, diam. 7^ altit. aperturse 5^ lin. 



Hab. Insula Mindanao (Cagayan, province of Misamis, found 

 on mangrove-trees ; Cuming). 



This species differs from L. filosa. Sow., in being much more 

 solid, in its broader and blunter elevated transverse lines and broad 

 compressed columella * 



15. LiTTORiNA SiEBOLDii. Lit. tcstd oblougd, subturritd, tenuius- 

 culd, flavescente, subunicolore ; anfractibus convexiusculis, supre- 

 mis lineis impressis, inferioribus lineis elevatis confertis, acutius- 

 culis (circa 9 in anfractu penultimo) sculptis; aperturd patuld, 

 semiorbiculari; columelld compressd, subcanaliculatd, albd. 



Altit. 13, diam. 8, altit. aperturse 7 lin. 



Hab. Japonia, Siebold. 



Perhaps only a variety of L. scabra, from which it differs almost 

 only in its high raised transverse ridges and very obscurely angu- 

 lated base. 



16* LiTTORiNA ctNGULATA. Lit. testd oblongd, acutd, tenui, pallide 

 grised, apice obscuro ; anfractibus convexiusculis, suturd profundd 

 divisis, sulcatis ; ultimis cingulis elevatis croceis ornatis ; basi 

 hand carinatd ; aperturd ovatd, patuld ; columelld, arcuatd, albd, 

 haud compressd; faucibus albis, rufo-lineatis. 



Altit. 9, diam. 6|-, altit. aperturse 4^ lin. 



Hab. Ad oram borealem Novae Hollandise (found on the mangrove- 

 trees by I. E. Dring, Esq.). 



17. LiTTORiNA suLCULOSA. Lit. tcstd oUongd, ttcutd, tcnui, flttves- 

 cente,fasciis transversis pallide fuscis pictd ; anfractibus convexi- 

 usculis, suturd profundd divisis et sulcis 3-4 exaratis ; ultimo 

 subangulato ; aperturd semiorbiculari, albd ; faucibus fusco-fas- 

 ciatis ; columelld parilm arcuatd, compressiusculd. 



Altit. 8y, diam. 5|, altit. aperturae 4^ lin. 



Hab. in ord boreali Novae Hollandiae (found on the mangrove- 

 ti*ees by I. E. Dring, Esq.). 



The sculpture of this species is exactly like that of Trochus ros- 

 tratus, Gm. 



18. LiTTORiNA? ABERRANs. Lit. tcstd elongatd, subturritd, sub' 

 perforatd, tenui, obsolete sttiatd, albidd ; anfractibus rotundatis, 

 suturd profundd divisis, ultimo ventricoso ; aperturd patuld, orbi- 



