30 



tricosis : apertura rotundato-ovata ; columella arcuata incrassata, 

 sub-perforata ; plica conspicua. Long. 4, lat. f poll. Hab. 

 Upolu. 



Like a small S. campestris, Say. Differs from the next species 

 by its shorter spire, pale greenish color, and more arcuated co- 

 lumella. 



Succinea venusta. Testa mediocris, ovata, tenuis, pellucida, 

 nitida, ordinatim striata, epidcrmide succinea, interdum vires- 

 cente induta, subtus gibbosa : spira conspicua, obtusiuscula, 

 anfr. 24 rotundatis : apertura ovata, longitudinis testa; duos trientes 

 adequans, postice angulata ; columella obliqua, absque plica. 

 Long. T 9 jj, lat. £, alt. £ poll. Hab. Hawaii. 



Almost exactly like S. oralis, Say, but is a little more corpulent. 

 It is less elongated than S. ]Judo?~ina, more shining and different- 

 ly colored. 



Succinea fudorina. Testa elongata, ovato-turrita, tenuis, 

 lucida, striis conspicuis longitudinalibus notata, succineo-rubcs- 

 cens : spira elevata, anfr. 3 cylindraceis valde obliquis et sutura 

 profunda discretis composita. Apertura testa; trientes duos ade- 

 quans, elongato-ovata, angusta : columella obliqua, sub-recta, vix 

 plicata. Long. ±±, lat. T 3 (j, alt. -} poll. Hab. Mountains of Ta- 

 heiti and Eimeo. 



Very much like S. oblonga, Drap. It is more slender, the 

 aperture narrower, and the penult whorl nearly twice as long. 



Succinea infundibuliformis. Testa acuto-conica, infundi- 

 buliformis, ad basim peroblique truncata, concinne striata, opaca, 

 viridis : spira obtusa, anfr. 24 planulatis, ultimo magno ; sutura 

 lineari : apertura rotundato-ovata ; marglne sinistra inflexo, ad 

 peripheriam carinato. Long. T 7 jj, lat. ^ poll. Hab. Mountains 

 of Taheiti and Eimeo. 



A most remarkable tunnel-shaped species, resembling pre- 

 cisely the sugar-cockles of the confectioners. It is allied to S. 

 -procera, which has all the outlines a little convex, an amber co- 

 lor, and no inflection of the columellar margin. 



Succinea procera. Testa magna, elongata, lanceolata, fulvo- 

 cornea, striis incrementalibus crassis rugosa : spira acuta, anfr. 3 

 perobliquis convexiusculis composita, partem longitudinis fere 



