MUREX. 



Plate XXX. 



Species 141. (Mus. Cuming.) 



MuREX CALIGINOSUS. Mur. testa ovatd, spird angulato- 

 tiirrifd, basem versus cotitractd, anfradibus superne de- 

 presso-anffulaiis, tramversim costatis, costis latis,pla- 

 niiisculis, subdistantibus ; sexfariam varicosd, varicibus 

 tenuibus, plicato-lamiiiatk ; sordide fused, costis satu- 

 ratioribii-s ; canali breviusculo. 



The obscure Murex. Shell ovate, spire angularly tui'- 

 reted, contracted towards the base ; whorls depressly 

 angulated romid the upper part, transversely ribbed, 

 ribs broad, rather flat, somewhat distant ; six-vari- 

 cose, varices thin, plicately laminated ; didl brown, 

 ribs of a darker colour ; canal rather short. 



Eeeve, Pro. Zool. Soc., 1845. 



Hab. ? 



The varices of this shell resemble those of the Murex 

 falcatus, though not lapped over at the edge as in that 

 species ; the ribs are very different, and more in the style 

 of those of the Murex torosus. 



Species 142. (Mus. Cuming.) 



Murex lappa. Mur. testa ovatd, uiriiKpie a.ttenuatd, sex- 

 fariam varicosd, varicibus latis, iucrassatis, solidis, 

 appro.i'imatis,fro>/dib)is numerosis spinosis erectis ar- 

 matis, varicibus utrinq^uefortiter costatis, costis sulcatis, 

 miimtissime scabrosis ; albd, riifo-fiiscescente bifasciatim 

 maculatd ; aperturd parvd, productd, i/itiis elevato- 

 striatd. 



The bur Murex. Shell ovate, attenuated at both ends, 

 six -varicose, varices broad, thickened, solid, approxi- 

 mated, armed with numerous erect spinous fi'onds, 

 varices strongly ribbed on both sides, ribs grooved, 

 minutely scabrous ; white, stained with two bands of 

 pale reddish brown spots ; aperture small, produced, 

 elevately striated within. 



Broderip, Pro. Zool. Soc, 1832. 



Eab. St. Elena, West Columbia (found on a rocky bed at 

 the depth of twelve fathoms) ; Cuming. 



A stout shell with soUd, shai-j), prickly varices. 



Species 143. (Mus. Cuming.) 

 Murex lugubris. Mur. testd ovatd, spird brevimcidd. 



tramversim liratd et striata; anfradibus superne de- 

 pressis, sexfariam varicosis, varicibus laciniatis, laci- 

 niis brevibus, recurvis ; atro-pujpured, varicibus ferru- 

 giueo-fuscis ; aperturd subampld ; canali brevi. 



The mournful Murex. Shell ovate, spii-e rather short, 

 transversely ridged and striated; whorls depressed 

 at the upper part., six-varicose, varices laciniated, la- 

 ciniaj short, recm-ved ; blackish pm-ple, varices rusty 

 brown ; apertm-e rather large ; canal short. 



Broderip, Pro. Zool. Soc., 1832. 



Hab. Puerto Portrero, Central America (foimd in the co- 

 ral rocks) ; C umin g. 



The lacinis in aU but the last one or two varices are 

 for the most part worn and blunted. 



Species 144. (Mus. Cuming.) 



Murex Californicus. Mur. testd trigouo-obJongd, sub- 

 fusiformi, spird angulato-turritd ; atifractibus superne 

 angulato-depressis, tuberculo prominulo inter varices, 

 transversim costatis, costis distantibus, interstitiis liris 

 mirmtis pulcherrime sqiiamatis exscidptis ; trifariam 

 varicosd, varicibus laciniatis, laciniis subrecurvis ; fer- 

 rugineo-fuscd ; aperturd ovatd ; canali brevi, clause, 

 recurvo. 



The Californian Murex. Shell triangularly oblong, 

 slightly fusiform, spire angidarly turreted ; whorls 

 angidarly depressed at the upper part, with a rather 

 prominent tubercle between the varices, transversely 

 ribbed, ribs distant, engi'aved with minute very beau- 

 tifully scaled ridges ; three-varicose, varices laciniated, 

 lacinise a little recurved ; rusty brown ; aperture 

 ovate, canal short, closed, recurved. 



Hinds, MoUusca Voy., H. M.S. Sulphur, p.8. pi. 3. f.9,10. 



Hab. California. 



An interesting species with respect to form and sculp- 

 ture, but of didl colour ; the interstices between the cross 

 ribs are scaled with extreme delicacy and beauty. 



Species 145. (Mus. Cuming.) 



Murex borealis. Mur. testd subelongato-fusiformi, gra- 

 cili, subpellueidd, transversim obsolete liratd ; septifa- 

 riam varicosd, varicibus simplicibus, lamelliferis ; intus 



August 1845. 



