MELVILL : ON GASTROPODA FROM THE PERSIAN GULF, ETC. 59 



appearance is far more normal. All the examples are dead, and 

 consequently it is impossible to say what the coloration may be. 



Clathurella epixantha,^ n.sp. PI. V, Fig. 8. 



C. testa ovata, curta, solida, pallide ochracea, anfractibus 8, quorum 

 tres apicales (apice ipso parvo, vitreo, huic duobus proximis sub lente 

 obscurissime longitudinaliter striatulis), cseteris costatis, costis crassis, 

 et spiraliter crassiliratis, interstitiis oblongo-quadratis, apertura ovata, 

 labro incrassato, intus paucidenticulato, sinu lato et profuudo, 

 columella fere recta, canali brevi. Long. 6, lat. 2 mm. 



^«3.— Persian Gulf, Gulf of Oman, lat. 24° 58' N., long. 54° 56' E., 

 156 fathoms. Also lat. 23° 55' N., long. 57° 48' E., 22 fathoms. 



A coarsely reticulated, brightly coloured little shell, with well- 

 defined sinus, and short canal. It exhibits no special peculiarity, but 

 neither monographs nor the National collection have been able to 

 afford any aid towards its identidcation. 



Clathurella Hedleyi, n.sp. PL V, Fig. 9. 



C. testa ventricoso - fusiformi, parva, tenui, albida vel pallide 

 brunnea, anfractibus 9, quorum tres apicales parvi, eleganter longi- 

 tudinaliter striatuli, cseteris apud suturas multum impressis, tumidis, 

 duobus supernis (exclusis apicalibus), tribus carinis spiralibus, ante- 

 penultimo et penultimo quatuor, ultimo anfractu quinque carinis 

 praeditis, costulis lougitudinalibus tenuibus circiter 25, undique ad 

 juncturas carinarum costularumque breviter sed acute echinatis, 

 interstitiis laevibus, ultimo infra peripheriam liris spiralibus ad basin 

 decorato, apertura ovata, labro tenui, acuto, sinu suturali lato, pro- 

 fuudo, canali mediocri, margine columellari fere recto. Long. 9, 

 lat. 4 mm. 



ffah.—Versian Gulf, Gulf of Oman, lat. 24° 58' N., long. 56° 54' E., 

 156 fathoms. 



When describing Clathurella Sykesii,"^ it was mentioned that a near 

 ally had lately come to light. Allusion was then made to the present 

 species. The type of C. Sylcesii was not in very good condition for 

 figuring, unfortunately, and the bhcU is hardly fairly represented, 

 excepting as regards its general form. It is almost as echinulate as 

 C. Hedleyi, but much narrower, and the longitudinal ribs are fewer 

 in number. The apical whorls are either quite smooth or obscurely 

 striolate longitudinally. 



By a curious coincidence, on the very day I had commenced to study 

 the species now under discussion, I received from Mr. C. Hedley the 

 second portion^ of his elaborate treatise on the Mollusca of the 

 "Thetis" Expedition, m)^ attention being therefore at once drawn to 

 the descrijition, with figure, of Plturotoma vepratica, Hedley, sp. nov., 

 from four or five stations off the coast of Australia, dredged from 

 24 to 75 fathoms. This species seems almost exactly intermediate, 



^ f-irll^avdos, somewhat tawny, iu allusion to the coloui'. 



2 Ann. & Mag. Nat. Hist., ser. vii, vol. xii, p. 314, pi. xxiii, fig. 4. 



3 Mem. Austr. Mus., vol. iv, pt. 6 (October, 1903). 



