138 

 Dr. A. A. Gould presented the following : — 



Descriptions of new Species of Shells brought home 

 BY the North Pacific Exploring Expedition. 



Paxillus tantillus. T. minuta, cornea, pupgeformis, inor- 

 nata ; anfr. 6 ventricosis. Apertura circularis, labio semicirculari, 

 incrassato, ventre callo 'expanse copioso induto ; canali antico 

 obliquo curto. Axis 1.25 ; diam. .75 millim. Inhabits Hong- 

 Kong. AV. S. 



Paxillus lyratus. T. parva, pupfeformis, gibbosa, flavido- 

 virens, apice la^vi, alibi laminis erectis longitudinahbus Ijrata ; 

 anfr. 7 ventricosis, penultimo ampliore ; sutura profunda. Aper- 

 tura subcircularis, antice acuta, ventre callo copioso firmato ; labro 

 duplici, lateraliter viso flexuoso. Axis 3 mil. ; diam. 1.5 millim. 

 Inhabits Loo Choo Islands. W. S. 



LiTTORiNA VIDUA. T. parva, ovato-conica, intense olivacea 

 et omnino flavido concinne tessellata, striis transversis insculpta ; 

 anfr. 5 ventricosis declivibus. Apertura pyriformis, columella 

 incarnata ; labro intus lineato. Axis 7 millim. ; diam. 4 millim. 



Inhabits Ousima. Very regular in form, and the reticulations 

 are only seen on close inspection. 



Bulla vernicosa. T. ovato-globosa, solida, laevigata, late 

 perforata, cinereo cum rufo variegata et fasciis 4 macularum fus- 

 carum interdum angulatarum cincta. Apertura angusta, labro 

 recto vix inflecto rufo marginato ; fauce porcellana. Axis 1.3 

 poll. ; diam. .8 poll. Inhabits Loo Choo Islands. W. S. 



Very shining, less inflated and narrower aperture than B. am- 

 pulla ; more globose and more polished than B. australis. 



Atys muscaria. T. minuta, ovato-elliptica, tenuis, virescens, 

 punctis fuscis transversim dispositis ornata, striis utrinque in- 

 sculpta ; vertice infundibuliformi imperforato. Apertura angusta, 

 antice efFusa ; labro retrorsum producto, dentigero ; columella 

 brevi, torta. Axis 4 millim. ; diam. 2 millim. 



Inhabits China Seas. W. S. 



Atys porcellana. T. parva, tenuis, ovato-cylindracea, lac- 

 tea, striis transversis remotis utroque crescentibus arata ; apice 



