MOLLUSCA. 9 



12. Murex festivus, Hinds, 1. c. p. 127, (Plate III. fig. 13, 14.) Testa, fusiformi, crassa, fulva, 

 trivaricosa ; varicibus simplicibus, recurvis, superne cristatis, subtilissime: creniferis ; interstitiis no- 

 dulosis, lineis subgeminis transversis fuscis eleganter ornatis ; apertura ovali ; labro intus sparsim 

 denticulate ; canali valde clauso, ad basin subrecurvo. 



Inhab. Bay of Magdalena, California. Dredged from seven fathoms, on a 

 sandy floor. 



13. Murex foveolatus, Hinds, 1. c. p. 127, (Plate III. fig. 15, 16.) Testa fusiformi, crassa, 

 multivaricosa, transversim creberrime sulcata, laminis minimis longitudinalibus foveolata, atro-purpu- 

 reo pallide bifasciata; varicibus septenis simplicibus, postice rotundatis, antice margine acuta; 

 apertura ovali, coarctata ; labro intus obtuse denticulato ; labio interno producto ; canali aperto, 

 subrecurvo. 



Inhab. Bay of Magdalena, California ; with the preceding. 



14. Murex cirrosus, Hinds, 1. c. p. 128, (Plate III. fig. 17, 18.) Testa, fusiformi, ventricosa, 

 pallide carnea, formosissime multivaricosa; sutura profunda, prope nigricante; varicibus nonis sex- 

 fariam laciniatis ; laciniis fistulosis, albis, respectantibus, gradatim minoribus ; interstitiis costis 

 rotundatis lacinias incurrentibus ; apertura ovali; labro intus Isevi; canali gracili, recurvo, fere clauso, 

 dorso bifariam laciniato, serie superiore gemina. 



Inhab. Straits of Macassar. In fifteen fathoms, among sand and fine 

 gravel. 



An uncommonly beautiful species, both from the delicacy of its colour and 

 the rich, varied, and elaborate character of its sculpture. 



15. Murex gravidus, Hinds, I.e. p. 128, (Plate III. fig. 19, 20.) Testa, globose fusiformi, mul- 

 tivaricosa. ; anfractibus senis rotundatis, transversim costatis, superne fusco fasciatis ; costulis ap- 

 proximatis, lamellosis ; varicibus quinis costulis subdivergentibus transitis, postice foveolatis ; aper- 

 tura ovali, producta ; labro intus lsevi ; canali longiusculo, aperto, ad sinistram inclinato. 



Inhab. Cape Blanco, west coast of Africa. From sixty fathoms. 



16. Murex radicatus, Hinds, 1. c. p. 128, (Plate III. fig. 21, 22.) Testa, fusiformi, pallide 

 lutescente, multivaricosa ; varicibus quinis, laciniatis, antice abruptis; laciniis compressis, subqua- 

 dratis, medio linea. duplicatis, postice medio interstitiorum exsilientibus ; apertura ovali, producta ; 

 labro intus lsevi ; canali fere clauso, ad basin subrecurvo. 



Inhab. San Bias, west coast of Mexico. From eleven fathoms, among 

 mud. 



In this species, the laciniae of the varix take root near the centre of the 

 interspace, whence they proceed directly forwards. They are of a squarish, 

 compressed shape, and are partially divided in their middle by an impressed 

 line. 



17. Murex peritus, Hinds, 1. c. p. 129, (Plate III. fig. 23, 24.) Testa subrhomboidea, albida, 

 multivaricosa; anfractibus septenis, superne angulatis et fuscis, ultimo elongate in canalem attenuate, 



D 



