40 MUREX. 



foveolatis, varicibus quinis, prominentibus, ad canalem liberis, 

 trispinosis, spira acuminata, anfractibus rotundis, ultimo 

 globoso ; apertura rotunda parva, canali elongato, curvo. — 

 Like M. cirrosus in sculpture, with longer spire and long 

 curved canal which is free at the end of each varix on the 

 channel-disk. 



184. cirrosus, f. 221, Hinds. — Testa parva, ventricoso- 

 subtrigona, fulva, spiraliter costata ; varicibus senis, spinis 

 tubulosis acutis recurvis, fronte canaliculatis, ornatis, ultima 

 lacineatim producta, spira brevi, anfractibus angulatis, ad 

 suturam excavatis, infra ad canalem spinosis, canali acumi- 

 nato. — Strongly ribbed ; and the last varix showing a beauti- 

 ful radiation of channelled ridges in front, making a curved 

 upturned point at the angles. 



185. incisus, f. 224, Broderip. — Testa fusea, subglobosa, 

 dense lirata, interstitiis minute foveolatis, varicibus septenis 

 magnis rotundis, ad canalem breviter liberis, ultimo ad aper- 

 turam antice subspinosis, apertura rotunda parva, margine 

 crenulato, spira canalique brevibus. — The close, deeply cut 

 cross ribs are delicately sculptured in the interstices. 



186. casta, f. 225, A. Adams. Testa M. inciso similima, 

 sed purissime alba, et magis globosa. — Shorter than M. 

 incisus and quite white. 



187. tetragonus, f. 228, Broderip. — Testa albida, inter 

 varices subviolacea, intus violacea ; anfractibus quaternis 

 crassicostatis, interstitiis laciniatim foveolatis, pone profunde 

 excavatis et foveolatis, usque ad apicem confluentibus ad 

 canalis marginem breviter liberis, spira pyramidata producta, 

 apertura violacea, ovato-rotunda, margine crenulato ; canali 

 brevi retrorsim elevato. — The latticed varices follow from 

 whorl to whorl so confluently as to form four oblique walls up 

 the spire. 



188. breviculus, f. 229, Sowerby. — Testa quam M. tetra- 

 gonus brevior, crassior, spira brevi, varicibus quinis, crassissi- 

 mis, angulatis, ad spiram interruptis ; canali latissimo, 

 retrorsim elevatissimo. — A much shorter and thicker shell 

 than M. tetragonus and the varices five in number, not 

 forming an interrupted sequence. 



189. Kieneri, f. 197, Reeve. — Testa parva angusta turrita, 

 pallide fulva, spiraliter striata, multivaricosa ; apertura 

 subquadrata, labio externo intus crenulato, extus antice 



