SOWERBY : NEW SHELLS FROM HONG-KONG. 155 



Family FOSSARIDiE. 



7. CouTHOTiYiA ACUTA, n.sp. PL XII. Fig. 16. 



Testa rimato-perforata, acuminato-subovata, tenuis, sordide albida ; 

 spira elatiuscula, acute conica, apice acutissimo ; anfractus 6, rapide 

 accrescentes, convexi, rotuudati, minutissime cancellati ; sutura 

 profunda canaliculata ; anfractus ultimus ovatus, leviter rotunda- 

 tus, pone aperturam leviter solutus ; apertura sub-ovata, anticc lati- 

 uscula, rotundata, postice angustior; peristoma tenue, niarginibus 

 junctis. Long. 4, diam. 2"50 mm. 



Compared with Coufhouijia reticulata, A. Adams, this shell is more 

 slender, and very much more finely sculptured. When adult the 

 columellar margin is slightly separated from the whorl. 



Family LITIOPID^? 



8. Alaba Hungerfordi, n.sp. PL XII. Fig. 12. 



Testa elongato-conica, tenuis, sordide albida, obscure fusco punctato- 

 strigata ; spira acute conica ; anfractus 8, convexiuscula, spiraliter 

 striati, longitudinaliter plus minusve plicati, varicibus paucis parum 

 elevatis irregularitcr instructi ; anfractus ultimus f longitudinis 

 sequans, leviter inflatus, baud plicatus, varicibus 3-4 instructus ; 

 apertura ovata, lab rum tenue. Long. 5, diam. L80 mm. 



A characteristic species of oblong conical form, spirally striated 

 throughout, upper whorls plicate, varices few and irregular. The 

 markings consist of thin flames composed of minute dots. 



Family RISSOIID^. 



9. EissoiNA ixLusTRis, u.sp. PL XII. Fig. 15. 



Testa elongata, impcrforata, crassiuscula, argenteo-nitens ; spira 

 acuminata, ad apicem acuta ; sutura impressa ; anfractus 6, convexi, 

 costis longitudinalibus numerosis approximatis crassiusculis leviter 

 obliquis instr.ucti ; anfractus ultimus circ. h longitudinis aequans ; 

 apertura ovata ; peristoma percrassum, extus leviter reflexum ; colu- 

 mella brevis, rectiuscula, ad basin leviter sinuatum. Long. 3, diam. 

 MO mm. 



A shining silvery little shell, with rather thick rounded longi- 

 tudinal ribs, and no spiral striae. The lip is very thick, with a slight 

 sinus or the columella side. 



10. EissoiA (Alvania) subcancellata, n.sp, PL XII. Fig. 14. 

 Testa acuminato-ovata, solidiuscula, sordide albida ; spira acuti- 



uscula; sutura impressa, canaliculata; anfractus 6, convexi, liris 

 spiralibus numerosis tenuibus, plicis longitudinalibus minus promi- 

 nentibus cancellatim sculpti ; apertura ovata ; labrum dextrum intus 

 bre\dliratum, extus incrassatum, ad marginem acutum ; columella 

 loevis, arcuata. Long. 3, diam. 1-50 mm. 



Rather like the European R. calathus, but the spiral ridges are more 

 numerous, and the longitudinal ones less prominent. 



VOL. I. — OCTOBER, 1894. 11 



