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numerosis^ viulaceis picta, versus margines vivide rosea; 

 umhones rosei; latere antico anguste rotundato^ postico 

 oblique ti'imcato, ad umbones compresso, submicjulato ; 

 cardine in valva dexlra bidentato, in sinistra uniden" 

 tato; sinu pulliiprofundo, parum conspiciio; valvis intus 

 luteis. — Diiwi. antero-post. 38, diam. umbono-marg. 21, 

 crass. Il mill. (Coll. Rossiter). 



Habitat Lifon, insularum Loyalty dictarum (G. Rossi- 

 ter), Nouméa, Novœ Caledoniœ (E. Marie). 



Obs. Species P. occidenti, Chemnitzi et multo magis 

 P. orHenti Deshayesi vicina, sed minor, tenuior, minus 

 subquadrata, forma cl colore distingucnda. 



H. C. 



Diagnoses MoIIiiscovubbi novoruin , 

 AUCTORE H. Crosse. 



1. Hélix Mag-Neili, Crosse. 



T. late umbilicata, depressa, tenuiuscula, sublœvis, 

 parum nitens, corneo-fusca; spira wmiersa; sutura pro- 

 funda; an frac tus 4 1/3 convexi, penultimus et ultimus 

 castaneo obscure trizonati, ultimus rotundatus, antice 

 profunde descendens, ex tus medio longe et basi magis 

 breviter scrobiculatus, subtus pallidior, olivaceo-corneus; 

 umbilicus latus, perspectivus, infundibuliformis ; aper^ 

 tura subhorizo7italiSj oblonge bisinuato-lunaris , intus la- 

 mella longa et dente basali, scrobiculationibus externis 

 respondentibus, instructa, fusca; jieristoma reflexicm, 

 album^ marginibiis disjunctis, basali et externo flexuosis^ 



