UNDETERMINED UROCOPTID^E. 173 



M. petitiana in sculpture, coloration and aperture, though 

 the two are very diverse in shape and internal structure. 



UNDETERMINED AND SPURIOUS SPECIES OF UROCOPTID^:. 



Helix fusulus Muller, Vermium terr. et fluv. Hist., pt. 2, 

 p. 109, no. 309 (1774) is probably a Urocoptis, though per- 

 haps a Cerion. It is not identifiable. " H. testa cylindracea, 

 obtusa, curvatim sulcata, apertura edentula, anfractibus un- 

 decim. Long. 7%, lat. 3 lin." No locality assigned. It is 

 Turbo fusulus GmeL, Syst., 3610, and Pupa fusulus Beck, 

 Index, p. 82. 



Ferussac mentions by name a number of species no doubt 

 belonging to the Vrocoptidce, but with no clue to their 

 identity : 



Helix (Cochlodina) sloanii Fer. Les Antilles. Prodr., p. 

 61, no. 496. 



Helix (Cochlodina) draparnaldi Fer. Les Antilles. Prodr., 

 p. 61, no. 497. 



Helix ( Cochlodina) blainvilliana Fer. Les Antilles. Prodr., 

 p. 61, no. 499. 



Helix (Cochlodina) rosata Fer. Les Antilles. Prodr., p. 



61, no. 501. 



Helix (Cochlodina) maugei Fer. St. Thomas. Prodr., p. 



62, no. 522 (IClausiUa). 



Helix ( Cochlodina ) interlapsa Fer. Lesser Antilles. Prodr., 

 p. 63, no. 532 ( 1 Clausilia) . 



Helix flexistriata Fer. in coll. according to Pf eiffer, Monogr. 

 ii, 386. 



Beck enumerates the following, without descriptions: 



Urocoptis glandula Beck. I. Antill. Index Moll., p. 83. 



Urocoptis abbreviata Beck. I. St. Domingo. Index Moll., 

 p. 83. 



Urocoptis coarctata Beck. Index Moll., p. 83 (Lister, 

 xxi, 17). 



Urocoptis soluta Beck. I. Antill. Index Moll., p. 83. 



Urocoptis tortuosa (Ch.) Gray, Beck I. c. = Tortulosa tor- 

 tuosa. 



