116 GASTROCOPTA, EUROPE. 



Subgenus SINALBINULA (See p. 103). 

 Series of G. nouletiana. 



52. GASTROCOPTA NOULETIANA (Dupuy). Pupa nouletiana 

 DUP., Journ. de Conchyl, i, 1850, p. 309, pi. 15, f. 6. 

 BOETTGER, Palaeontographica, Bd. 24, 1877, p. 194, pi. 24, f. 5. 

 . Leucochilus nouletiana Dup, BOETTGER, Bericht Senckenb. 

 Nat. Ges., 1884, p. 272, pi. 4, f. Ha, &, and var. gracilidens 

 Sandb., pi. 4, f. 12-13. Vertigo nouletiana Dup., BOUR- 

 GUIGNAT, Malac. Sansan, p. 73, pi. 4, f. 92-95. ? Vertigo 

 ludovici BGT., t. c, p. 75. ? Vertigo nouleti MICHAUD, Journ. 

 de ConchyL, 1862, p. 77, pi. 4, f. 1, Hauterive (Pupa n. t on 

 plate). Middle Miocene, Sansan, Lake Balaton, etc. 



52a. G. N. GRACILIDENS (Sandberger) . Pupa gracilidens 

 SANDB., Vorwelt, 1875, p. 600. Lower Miocene of Schleusen- 

 kammer, and Upper Miocene of Undorf bei Regensburg. 



52&. G. N. FARCIMEN (Sandberger). Pupa (Vertigo) far- 

 cimen SANDB., Vorwelt, 1875, p. 600, pi. 29, f. 24. Upper 

 Miocene, Undorf, Zant bei Ingolstadt, etc. 



The status of the following five species from the colline of 

 Sansan is uncertain; probably all belong to one species of 

 Gastrocopta. The figures are poor. VERTIGO BARRERI 

 Bourguignat, Hist. Malac. de la Colline de Sansan, 1881, p. 

 76. VERTIGO CHYDAEA Bgt., t. c., p. 77. VERTIGO EUCRINA 

 Bgt., p. 79. VERTIGO TAPEINA Bgt., p. 80. VERTIGO NECRA 

 Bgt, p. 81. 



Series of G. didymodonta. 



53. GASTROCOPTA DIDYMODONTA (Al. Braun). Vertigo didy- 

 modonta AL. BE., in Walchner's Geognosie, 2. Aufl, (1851?), 

 p. 1135. Pupa didymodus Al. Br, SANDBERGER, Mainzer 

 Becken, p. 57, pi. 5, f. 14. Leucochilus didymodus Al. Br., 

 BOETTGER, Jahrb. Nassau. Ver. Nat, vol. 42, 1889, p. 283. 

 Upper Oligocene, Hochheim. 



54. GASTROCOPTA HETERODUS (Boettger). Pupa (Leucochi- 

 lus) heterodus BTTG, Neues Jahrb. fiir Mineralogie, etc, 1877, 

 p. 80. MILLER, Jahresh. Wiirttemb. Nat. Ver, 1900, p. 398, 

 pi. 7, f. 14. Upper Miocene, Steinheim. 



