63 



III. Anjracūbus milco postico nulio. 



* Labio intcriore tenui. 



a. Testd elongatd, gracili. 



Ter. lanceolata, Lam. 

 Ter. strigillata, Lam. 



Ter. hastata, Lam. — Ter. co-stata, Mcench. 



Terebra albiea. Ter. testd turritd, ovato-subulatd, ocunii- 

 nata, Icevi ; anfractibus planis, suturd subivipressd ; pallide 

 Jlavescenti-albidd. 

 Axis It unc. 



b. Testd brevi. 

 Ter. aciculata. — Buccinum aciculalum, Lavi. 

 Tef. polita. — Buccinum politum, Lam. 



** Labio interiore incrassato, elevato ; testd brevi. 

 Obs. Nassa: quoclammodo affines ; sed neąue labiura internum di- 

 latatum, nec externum incrassatum. 



Ter. lineolata, Sow. Wood, Suppl., f. 22. 



Ter. ra/ii<e«si«.— Buccinum Tahitense, Gmel. — Buccinum Au- 

 strale, Sovo. 



Mr. Gray conciuded by stating that specimens of all the .species 

 oi^Tecgbra enumerated by him are contained either in his private 

 collectioirgr-nT-th#-3jd tisii Museum. 



Mr. Gray also exliibited an extensive series of land and fresh- 

 tvater Shells which he regarded as hitherto undescribed. He cha- 

 racterized them as follows : 



Helicophanta Falconeri, Reeve, MSS. Hel. testd ovatd, tenui, 

 vesiculari, profunde umbiUcatd ; pallide brunned, fasciis macu- 

 lisque prope suturam saturatioribus ; apice obtuso ; anfractibus 

 quattior convesis, ultimo antice declivi ; umbilico magno, com- 

 presso ; peristomate simplici, fauce albd. 

 Hab. in Nova HoUandia. 



This species is A'ery nearly allied to Hel. magnifica, Fėr., Moli., 

 t. 10. f. 10, but diiFers in ,being much more umbilicated and ven- 

 tricose, having a greater number of whorls, and being deeper co- 

 loured. 



ZoNiTES Walkeri. Zoh. testd deprcssd, umbiUcatd, poUtd, flūvo- 

 brunned ; anfractibus 3 į- citissime majoribus, ventricosis, tenuiter 

 concentrice striatis ; dorso striis densis spiralibus ; umbilico pro- 

 fimdo ; aperturd magnd, fauce albidd. 

 Axis 8 lin., diam. 1 unc. 



Hab. in Nova HoUandia, 70 millia passuum circiter a Fort Mac- 

 ąuarrie. 



This species is allied in form and sizc to Zon.fuliginosus of North 



