815 



arc clathratcd, ami the shell is marked with large red-browu 

 blotches ; the outer lip is rather incrassated. 



Island of Masbate, Philippines; seven fathoms, sandy mud. 

 //. C. (Mus. Cuming.) 



9. Pyramidella nitida (pi. clxxii. f. 11), A. Adams. 



P. testa ovato-pyramidali, alba, nitida; anfractibus convexius- 

 culis, longitudinaliter costellatis, costellis angustis, rectis, subdis- 

 tantibus, Itevibus, interstitiis subcrenulatis, anfractu ultimo basi 

 producto; apertura obliqua, semiovata, antice subcanaHculata ; 

 columella plicis tribus instructa, plica antica duplicata. 



A rather small, shining species, with narrow, straight ribs, 

 rather wide apart, and with the interstices crenulated; the last 

 whorl is produced at the base, and the anterior fold of the colu- 

 mella is double. 



Philippines. (Mus. Cuming.) 



10. Pyramidella metula (pi. clxxii. f. 12), A. Adams, Pro. 

 Zool. Soc. 1851. 



P. testa subulato-turrita, apice obtusiuscula, albida ; anfractibus 

 decern, planulatis, longitudinaliter costatis, costis confertis, sequan- 

 tibus, interstitiis lineis transversis, elevatis, ornatis; apertura 

 ovah, labio incrassato, in medio plica unica instruct o ; labro mar- 

 gine subincrassato. 



A small, elongated species, with the intervals between the ribs 

 cancellated. 



Philippines, Gindulman, isle of Bohol; soft mud, eight fa- 

 thoms. (Mus. Cuming.) 



11. Pyramidella gracilis (pi. clxxii. f. 14, 15), A.Adatns. 



P. testa parva, aciculato-turrita, albida, nitida, liuea fusca, su- 

 pra suturas, ornata; anfractibus planis, longitudinaliter costatis, 

 costis rectis, distantibus, interstitiis Isevibus; apertura ovali, an- 

 tice subcanaliculata, labio supra calloso, in medio, plica vaHda in- 

 structo. 



A small, slender, nearly acicular species, somewhat resembling 

 a T'wrhoidlla, but with all the generic characters of Pyramidella. 



Loay, isle of Bohol, Philippines; hard clayey mud, sixty fa- 

 thoms. //. C. (Mus. Cuming.) 



12. Pyramidella subulata (pi. clxxii. f. 13), A.Adams. 



P. testa umbilicata, subulato-pyramidali, vertice mucronato, 

 Igevigato, pellucido, albida, subnitida ; anfractibus planulatis, Ion- 



