60 TRUNCATELLINA. 



to fossil species follow. Various Pleistocene species are in- 

 cluded with the Recent forms. 



TRUNCATELLINA SPLENDIDULA (Sandberger). Pupa splen- 

 didula Sandb., Vorwelt, 1875, p. 391.--Isthmia splendidula 

 (Sdgr.) Boettger, Jahrb. Nassau. Ver. Nat. Jahrg. 42, 1889, 

 p. 272, pi. 6, f. 9. - - Fischer and Wenz, Jahrb. Nassau. Ver., 

 1914, p. 93. Pupa cryptodus var. laevis Al. Brn. MS. Upper 

 Oligocene Landschneckenkalk von Hochheini. A smooth, 3- 

 toothed species, resembling salnrnensis Reinh. 



TRUNCATELLINA CRYPTODUS (Al. Braun). Pupa cryptodus 

 Al. Br. in Walchner's Geognosie, 2d edit., p. 148. -- Sand- 

 berger, Vorwelt, p. 396. Isthmia- cryptodus (Al. Br.) Boett- 

 ger, Bericht Senck. Ges., 1883, p. 267, pi. 4, f . 7 ; Jahrb. Nas- 

 sau., p. 274. Upper Oligocene Landschneckenkalk von Hoch- 

 heim; northern Bohemia. Lower Miocene, Germany. Near 

 T. lardea and T. strobeli (rivierana). This name has also 

 been quoted P. cryptodonta. I have not consulted the orig- 

 inal publication. 



TRUNCATELLINA LENTILII (Miller). Pupa (Isthmia) lentilii 

 Mill., Jahresh. Wiirttemb. Nat. Ver., 1900, p. 406.-- Isthmia 

 l&ntilii Miller, Jooss, Nachrbl. d. Mai. Ges. 44, 1912, p. 37, pi. 

 2, f. 6-66. Upper Miocene, Steinheim. Related to T. claus- 

 tralis, also rivierana. 



TRUNCATELLINA MIOCAENICA (Clessin). Pupa (Isthmia) 

 miocaenica Cl., Ber. naturw. Ver. Regensburg, xiii, Heft, 

 1912, p. 106. Middle Miocene, Uiidorf. A toothless species. 



TRUNCATELLINA MINUTULA (Clessin) . Pupa (Isthmia) minu- 

 tula Clessin, Ber. naturw. Ver. Regensburg, xiii, 1912, p. 106. 

 Middle Miocene, Undorf. 



Classification. 



Grouped by the teeth, Truncatellinae arrange themselves as 

 follows : 



Having a parietal lamella or tooth. 



3-toothed : species in Europe, Abyssinia, South 



Africa. 

 No parietal tooth. 



