128 On Gasteropodous Mollusca from the Gulf of Suez. 
2. T. acicularis, A. Ad. (Chemnitzia), Proc. Zool. Soc. 1853, 
. 182. 
Hab. Gulf of Suez (M‘Andr.), Philippines (Cuming). 
3. T. metula, A. Ad. (Chrysallida), Ann. & Mag. Nat. Hist. 
1860. 
Hab. Gulf of Suez (M‘Andr.), Japan (A. Ad.). 
4. T. candida, A. Ad. (Chemnitzia), Proc. Zool. Soc. 1853, 
p- 181. 
Hab. Gulf of Suez (M‘Andr.), Philippines (Cuming). 
5. T. fusca, A. Ad. (Chemnitzia), Proc. Zool. Soc. 1853, 
« 481. 
Hab. Gulf of Suez (M'Andr.), Philippines (Cuming). 
6. T. decussata, A. Ad. Ann. & Mag. Nat. Hist. 1861. 
Hab. Gulf of Suez (M‘Andr.), China Sea (A. Ad.). 
7. T. scitula, A. Ad. Ann. & Mag. Nat. Hist. 1861. 
Hab. Gulf of Suez (M'Andr.), China Sea (A. Ad.). 
8. T. modica, A. Ad. Ann. & Mag. Nat. Hist. 1860. 
Hab. Gulf of Suez (M‘Andr.), Japan (A. Ad.). 
Genus CINGULINA, A. Ad. 
C. circinata, A. Ad. Ann. & Mag. Nat. Hist. 1860. 
Hab. Gulf of Suez (M'Andr.), Japan (A. Ad.). 
Fam. Styliferidz. 
Genus SCALENOSTOMA, Desh. 
S. Deshayesii, A. Ad. 
S. testa ee superne attenuata, spira styliformi, 
albida, nitida, semio anfract. normalibus 7, primis con- 
vexiusculis, sequ edibus ee ad suturas acute carinatis ; 
anfractu ultimo in medio carinato, basi convexo; apertura o 
antice subeffusa ; labro arcuato, in medio produc cto. 
Hab. Gulf of Suez. 
This shell seems to have all the characters of M. Deshayes's 
Scalenostoma carinatum, described in his * Cat. des Mollusques 
de l'ile de la Réunion,’ pl. 7. f. 26, 28. S. Deshayesi? has the 
orm of a Rissoina with the texture and spire of a Stylifer. 
The inner lip is not so straight as in the Bourbon shell, and 
the spiral keel is less acute and defined. In his specimens 
