r.ri.iMi.Yj:. 141 



roinuta, Anton. peponum, Gonhl. 



Novoseelandica, Pfeiff. Philippii, Pfeiff. 



opalescens, Shuttl. stylodcm, Skuttl. 



ovata, Anton. turrita, Anton. 



Paroliniana, Webb and Berth. unilamellata, Fern*. 



Sub-fam. BULIMIN.E. 



Eye-peduncles and tentacles well- developed; foot elon- 

 gate, pointed behind. 



Shell oblong or ovoid, sometimes conoidal or turreted ; 

 aperture longer than wide ; columella arcuated, not truncate 

 anteriorly. 



Genus COCHLOSTYLA, Ferussac. 



Shell imperforate, ovately or conically globose; spire 

 more or less conoidal, apex obtuse; aperture oval or 

 lunately rotundate; columella straight, often vertical, di- 

 lated, rarely arcuated or excavated; peristome simple, ex- 

 panded or shortly reflexed. 



Syn. Bulina, Lesson. Orthostylus, Beck. 



Ex. C. chloris, Reeve, pi. 74, fig. 4. Shell, C. meta- 

 formis, Ferussac, fig. 4, a. 



The various islands of the Philippine Archipelago harbour 

 the members of this extensive group, many of the species 

 of which are remarkable for the extreme beauty of their 

 shells, and the peculiar hydrophanous nature of the 

 epidermis. 



VOL. II. D 



