PLEUROTOMA— Plate XX. 



Species 171. (Mus. nob.) 



Pledrotoma rubrifasciata. Pleur. testa abbreviato- 



fusiformi, anfraetibus superne concavis, lavibus, infra 

 transversim striatis, et pulcherrime crebrinodulosis, no- 

 dulis supremis, longitudinaUter conjlueiitibus ; canali 

 subelongato ; flavescente, rubro cinereoque fasciatd. 



The red-banded Pledrotoma. Shell abbreviately fusi- 

 form, whorls concave and smooth round the upper 

 part, transversely striated beneath and very beautifully 

 closely noduled, uppermost nodules longitudinally 

 confluent ; canal rather elongated ; yellowish, banded 

 with bright red and ash-colour. 



Reeve, Pro. Zool. Soc, 1845. 



Hob. ? 



A very characteristic and pretty species. 



Species 172. (Mus. nob.) 



Pledrotoma sacerdos. Pleur. testa subfusiformi, utrin- 

 que attenuatd, crassd ; anfraetibus superne valde de- 

 presso-concavis, subangnlatis, tuberculis transversim 

 compressis ad unguium cingulatis, infra seriatim nodu- 

 losis; canali breviusculo ; carneo-albidd,fammis ma- 

 culisque purpureo-rufs variegatd, anfrackmm parte 

 superiori cinereo tinetd. 



The priest Pledrotoma. Shell somewhat fusiform, at- 

 tenuated at both ends, thick ; whorls very depressly 

 concave at the upper part, subangulated, encircled 

 with transversely compressed tubercles at the angle, 

 with rows of nodules beneath ; canal rather short ; 

 fleshy white, variegated with purple red flames and 

 spots, upper part, of the last whorl tinged with ash- 

 colour. 



Reeve, Pro. Zool. Soc, 1815. 



Hob. ? 



The form of this species is very similar to that of the 

 Pleurotoma virginea. 



Pig. 173. — A species of Melania from the collection 

 Mi-. Gruner, of Bremen, figured inadvertently for 

 Pleurotoma. 



Species 171. (Mus. Deshayes.) 



Pledrotoma crocata. Pleur. testa pyramidali-oblong 

 transversim elevato-striatd, longitudinaUter costatd, a 

 fractu ultimo tuberculo parvo gibboso munito ; cant 

 brevissimo ; aperturd brevi, sinu lato, amplo ; albia 

 epidermide croceo-olivaced indutd. 



The saffron Pledrotoma. Shell pyramidally oblon 

 transversely elevately striated, longitudinally ribbe 

 last whorl furnished with a small gibbous tubercl 

 canal very short, aperture short, sinus broad, largi 

 whitish, covered with a saffron-olive epidermis. 



Reeve, Pro. Zool. Soc, 1845. 



Hub. ? 



I must express my thanks to M. Deshayes for sendii 

 me tliis shell, which is quite unlike any other species. 



Species 175. (Mus. nob.) 



Pledrotoma obeliscds. Pleur. testa pyramidali-ovat 

 anfraetibus supertie concavis, infra nodosis, anfract. 

 ultimi parte inferiori granoso-liratd ; canali brevi; sit 

 amplo ; albidd epidermide fiavescente-olivaced undm 

 indutd. 



The obelisk Pledrotoma. Shell pyramidally oval 

 whorls concave round the upper part, nodose beneatl 

 lower portion of the last whorl granosely ridged 

 canal short ; sinus large ; whitish covered with a ye 

 lowish olive epidermis. 



Reeve, Pro. Zool. Soc, 1845. 



Hob. ? 



Although the sculpture of this shell somewhat resemble 

 that of the Pleurotoma fucata just described, the specie 

 are perfectly distinct. 



