Mr. A. Adams on new Mollusca from China. 297 



Genus Elusa, A. Adams. 



Testa subulata, turrita ; anfractibus multis, longitudinaliter plicatis. 

 Apertura ovata, antice Integra ; labio plica parietali unica instructo ; 

 labro tenui, siniplici. 



This little genus of Pyramidellidae may be likened to a Terehra 

 with the aperture entire in front; with a single plait in the inner 

 lip, and with plicate whorls. 



Elusa teres, A. Adams. 



E. testa rufo-fusca, subulata, nitida ; anfractibus ^\, planis, longitu- 

 dinaliter plicatis ; apertura elongatim ovata, postice acuminata, 

 antice dilatata et rotundata ; plica parietali valida, obliqua, con- 

 spicua ; labro tenui, intus lse,vi. 



Hub. Hulu-Shan Bay, Gulf of Lian-tung; 3 fathoms. 



Genus Turbonilla, Risso. 



1. Tw'bonilla terehra, A. Adams. 



T. testa subulato-pyramidali, turrita, solida, alba, nitida ; anfractibus 

 normalibus 10, planis, longitudinaliter plicatis, plicis baud promi- 

 nentibus, subdistantibus, interstitiis lineis elevatis decussatis, quasi 

 valde punctatis ; anfractu ultimo rotundato, plicis ad periplieriam 

 evanidis, basi seriebus spiralibus punctorum ornata ; apertura sub- 

 quadrato-ovata ; regione umbilicali impressa ; labio recto, sub- 

 reflexo. 



Hah. Hulu-Shan Bay, Gulf of Lian-tung ; 4 fathoms. 



2. Turhonilla carina, A. Adams. 



T. testa subulato-pyramidali, turrita, solidiuscula, pallida fusca, nitida, 

 quasi cerea ; anfractibus normalibus 8, planis, longitudinaliter pli- 

 catis, plicis obliquis, subjirominentibus, distantibus, interstitiis sim- 

 plicibus ; anfiactu ultimo subaugulato, plicis ad peripheriam desi- 

 nentibus, basi lajvi ; apertura ovato-quadrata ; labio recto, antice 

 vix reflexo. 



Hah. Gulf of Pe-chili; 5 fathoms (eight miles from the Pci-ho). 



3. Turhonilla scitula, A. Adams. 



T. testa subulato-turrita, alba, solida ; anfractibus normalibus 7, 

 planiusculis, longitudinaliter plicatis, plicis angustis, undulatis, 

 confertis, interstitiis la^vibus, plicis in anfractu ultimo ad periphe- 

 riam abrupte desinentibus, basi Isevi ; apertura subquadrata ; labio 

 recto, brevi, subincrassato. 



Hah. Gulf of Pe-chili; 5 fathoms (eight miles from the Pei-ho). 



4. Turhonilla alhella, A. Adams. 



T. testa subulato-turrita, tenuicula, albida ; anfractibus normalibus 7, 

 planiusculis, longitudinaliter plicatis, plicis angustis, obliquis, sub- 



Ann,&; Mag, N. Hist. Ser. 3. Vol. yii. 20 



