OF CONCHOLOGY. 197 



Long. 15, diam. 9J mill. Hab. Insl. Tanna. (N. Hebrides, 

 Cox.) 



The above is of the type of P. rcpanda, Pfr., inhabiting the 

 same group of islands. It is smaller than that species, more ab- 

 breviate in shape, thinner, distinctly striate, columella nodose, 

 and of different color. 



Bulimus (?borus) Coxi, Pse. 



T. crassa, ovata, perforata, dextrorsa, longitudinaliter striis 

 incrementis rugosa, albescente, rosaceo suffusa, spira flavescente ; 

 anfr. 4, tumidiusculi, ultimus -| longitudinis testge sequans ; spira 

 brevis, obtusiuscula ; sutura bene impressa ; apertura verticalis, 

 ovalis, intus rufescente ; perist. pallide aurantium, crassum, mar- 

 ginibus callo junctis, columellari perforationem fere occultante. 



Long. 25, diam. 15 mill. Hab. Insl. Solomonis (Cox.) 



The above, in shape and general proportions, as well as in 

 color, is a miniature, U B. rosaceus" (King). 



The last whorl is whitish, suffused with rose color, spire yel- 

 lowish, aperture reddish, and margin of the peritreme light 

 orange color. Its surface is not granulose, but roughened by in- 

 cremental striae. 



I attach to this species the name of Dr. Jas. C. Cox, through 

 whose active researches, during the past few years, we are in- 

 debted for an extended knowledge of the Molluscous Fauna of 

 the Australian and Papuan provinces. 



Omphalotropis nebulosa, Pse. 



T. perforata, elongato-eonica, laevigata, indistincte transver- 

 sim tenui striata, epidermide tenui induta, sordide fulva, rufes- 

 cente fusco nebulosa, interdum irregulariter late strigata, anfr. ul- 

 timus plerumque, fusco bifasciata, sutura bene impressa ; anfr. 7, 

 convexiusculi, ultimus rotundatus, circa umbilicum carinato-an- 

 gulatus, albus ; apertura fere verticalis, late pyriformis ; perist 

 marginibus callo tenui junctis ; columella arcuata. 



Long. 10, diam. 5 mill. Hab. Insl. Solomonis. 



I have lately discovered that " Omphalotropis variabilis," Pse., 

 described from the Hervey Islands, also inhabits the Tongan 

 Group. 



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