o4 MF.LVILI. : NEW GASTROPODA FROM THE PERSIAN GULF. 



Mangilia posidonia,-" n. sp. 



PI. viii, fig. 14. 



M. testa niinuta, breviter fusitormi, solidiuscuki, alha, angulifera, anfiactibus 

 8, quorum 2h inconspicui, vitrei, laeves, apicales, caeteris apud suturas mul- 

 tum imprcssis, longitudinaliter paucicostatis, costis crassis, undique spiraliter 

 angulato-liratis, ultimo anfractu octo liris praedito.jDenultimo, simul ac ante- 

 penultimo tribus. apertura anguste oblonga, lal)ro incrassato sinu indistincto 

 sed lato, baud profundo, columella simplice. 



Long. 5, lat. 2 niillim. 



Hah. — Gulf of Oman. Lat. 24° 58' N., long. 56° 54' E., 156 fathoms. 



A not infrequent species in dredged shell sand from the above locality, 

 its nearest congener being M. (ulaiuantina, Melv.,'"" a more squarely formed 

 Mangilia, with distinctly larger, globular, vitreous apical whorls. 



Daphnella eulimenes,'"' n. sp. 



PI. viii, fig. 15. 



D. testa parva, eleganter fusiformi, alba, delicata, anfractibus 7 — 8, quorum 

 apicales decussatuli, caeteris leniter supra versus suturas angulatis, arete sed 

 irregulariter cancellatis interstitiis plus minus quadratulis, apertura oblonga, 

 labro incrassato, sinu patulo sed nequacjuam profundo, columella fere recta 

 pauUum apud basim producto. 



Long. 6. lat. 2 millim. 



Hah. — Gulf of Oman. Lat. 24° 58' N., long. 56° 58' E., 156 fathoms. 



Of the .same alliance as D. nereidurn and D. ainiiliitrites, M. & S., but 

 more gracefully formed, and gently slopingly angled below the sutures. 

 Very rare at the above locality. 



* * * * -x- 



An opportunity is here taken of figuring two species from the Persian 

 Gulf region, viz., 

 Mathilda earystia (Fig. 7.). 

 Solapium admipandum (Fit;;. 6). 



Both were described in Ann and Mag. N. H., ser. vii, pp. 221 — 223, 

 but owing to exigencies of space, have been, till now, left unpourtrayed. 



9. Poseidon, Neptune. 



10. Proc. Mai. Soc, vol. vi, pt. III, p. 165, pi. x, fig. 18. 



11. El'At/X€V7;_a Nereid. 



