APl>KNDIX. XVll 



1615. PYRULA GRACILIS, Nobis. 



P. testa elongato ficiformi, tenui, albida, brunneo- 

 nebulos^, striis, longitiidinalibus exilissimis, traiis- 

 versis eminentioribus, planulatis; apertura intiis 

 brunneA, labio externo albido ; long-. 4-^ unc. lat. 

 2-^g. line. 



Obs. A slieil of more slender proportions than 

 the other Figs, and apparently very distinguishable 

 by the characters given above. There are several 

 specimens in this collection, but the locality has not 

 been preserved with any of them. 



1629. PYRULA COARCTATA. 



P. testa pyriformi, transverse striata, albidd, longi- 



tudinaliter strigis aurantiaco-brunneis ornate ; 



anfractu ultimo ventricoso, ad basim subit6 coarc- 



tato, in canalem longam decurrente, superne no- 



duloso-carinato ; spiri depressiuscula, apice mam- 



millari; apertura intus sulcata ; columella obli- 



quissime uniplicata : long 3^^ unc. lat. m unc. 



Obs. This elegant shell very nearly resembles 



the Pyrula Spirillus, Lmn. in general form, the fold 



at the base of its columella is, however, much more 



oblique, and its mammillary point much smaller ; it 



is, moreover, differently marked. A reverse speci- 



njen of the same species is numbered 1630. 



1631. PYRULA BULBUS. 



P. testa subgiobosS,, leevi, pallid^, longitudinaliter 

 fusco-strigat^, aperturA, oblonga, ampli; columella 

 ihcrassata, median e emarginata, basi acutiusculA I 

 caud^ recurva, bicarinat^: spir^ brevissim^, pro- 

 ductiuscuM; long. li| unc. lat. 1-/^- unc. 



Obs. This specimen has the outer edge of the 

 inner lip of a fine violaceous colour. Locality un- 

 known. 



