29 



Succinea crocata. Testa pinguis, sub-solida, sub-opaca, 

 ovato-globosa, saturate crocea, lineis incrementi exilibus et in- 

 terdum lineis inordinatis volventibus striata : spira brevis, acuta, 

 anfr. vix 3, convexis, sutura profundissima discretis, ultimo ven- 

 tricoso : apertura magna, rotundata-ovata ; columella carinata 

 sub-incrassata, haud sinuoso : intus calcarea. Long. ■§-, lat. J- 

 poll. Hab. Upolu. 



May be easily known by its large size, inflated form, and its 

 peculiar color. The spire is remarkably contorted. 



Succtnea canella. Testa parva, sub-solida, opaca, ovata, 

 impolita, cinnamomea, leviter striata : spira conspicua ; anfr. 3, 

 ventricosis, sutura valde constricta discretis : apertura parva, 

 ovato-rotunda ; peristomate incrassato, postice sub-continuo ; 

 columella arcuata, haud plicata. Long. £, lat. f poll. Hab. 

 Maui, Sandwich Islands. 



Very much like S. avara, Say, and S. caduca, Mighels ; but it 

 is less elongated, more solid, and without a columellar fold. 



Succinea Magellanica. Testa parva, tenuis, subflexilis, luci- 

 da, nitida, intense virens, rotundato-ovata : spira brevis, acuta, 

 anfr. 3, sutura profunda discretis, ultimo amplo, ventricoso : 

 apertura ovata ; margine columellari reflexiusculo, callo tenui 

 superne munito. Long. J, lat. f , poll. Hab. Terra del Fuego. 



A small, remarkably short and ventricose species, conspicuous 

 also for its deep grass-green color. 



Succinea manuana. Testa parva, ovata, ventricosa, tenuis, 

 sub-opaca, straminea, longitudinaliter striata et transverse sparsim 

 rugosa : spira obtusa, exserta, anfr. 2^, ventricosis, sutura pro- 

 funda discretis : apertura ovato-rotundata, peristomate ad colu- 

 mellam minime reflexo ; regione umbilicali depressa, sinuosa. 

 Long. -J, lat. -^, poll. Hab. Manua. 



A small, plump species, resembling S. Magellanica, but still 

 more ventricose, and is further distinguished by its pale color 

 and opacity. 



Succinea modesta. Testa mediocris, ovata, tenuis, nitens, 

 diaphana, stramineo-cornea, tenuiter striata, et lineis interruptis 

 volventibus arata, subtus ventricosa : spira reflexa, anfr. 3, ven- 



