PROSOBRANCHIATA. 
Moll. 89 
+ Neverita patula, n. sp., Cretaceous of Syria, Whitfield, Bull. Am. 
Mus. Nat. Hist, iii, p. 419, fig. 
iSigaretus oligopolitus, cryptostomoides , S . ( Cryptostoma ) sigaretoides , 
Tertiary of Piedmont, Sacco, Moll. ter. terz. Piemonte, viii, pp. 100-102, 
figs. ; f$. rotunda, tus, Lower Oligocene of N. Germany, Koenen, Abh. 
Geol. specialkarte Preuss. x, lift. 3, p. 597, fig. : n. spp. 
t Tylostoma martini , n. sp., Cretaceous of Syria, Whitfield, Bull. Am. 
Mus. Nat. Hist, iii, p. 439, fig. 
PTENOGLOSSA. 
SCALARIIDiE. 
ITertiary forms from Piedmont, with tables of the phylogenetic rela- 
tionships of the species ; Sacco, Moll. ter. terz. Piemonte, ix. 
\Scalaridaz included with Turritellidce, the forms found in the Lower 
Oligocene of N. Germany, described by Koenen, Abh. Geol. specialkarte 
Preuss. x, Hft. 3, pp. 747-812, figs. 
f Acirsa grandis, robusta , turris , angusta, pusilla , plicatula , angulata , 
sulcata, coarctata , rugata, crassa , plana , n. spp., Lower Oligocene of N. 
German}', Koenen, Abh, Geol. specialkarte Preuss. x, Hft. 3, pp. 789- 
808, figs. 
iAcirsella pervaricosa , n. sp., Lower Oligocene of N. Germany, Koenen, 
Abh. Geol. specialkarte Preuss. x, Hft. 3, p. 810, fig. 
\ Aclis proascaris, n. sp., Tertiary of Piedmont, Sacco, Moll. ter. terz. 
Piemonte, ix, p. 95, fig. 
\Acrilla curta , n. sp., Lower Oligocene of N. Germany, Koenen, Abh. 
Geol. specialkarte Preuss, x, Hft. 3, p. 758, fig. 
Antitrochus , n. g.; type, A. arietinus , n. n.[= Scalaria antiqua, Whidb., 
non Miinster]; Whidborne, Pal. Soc. pp. 234 & 235, figs. 
iCirsotrema subregularis , O. incrassata , rotula, n. spp., G. peracuta, n.n. 
[= acuta, Koenen, wow Sow.], Lower Oligocene of N. Germany; Koenen, 
Abh. Geol. specialkarte Preuss. x, Hft. 3, pp. 750-756, figs. 
t Clathroscala obeliscus , limatula , teretior , n. spp., Lower Oligocene of 
N. Germany ; Koenen, Abh. Geol. specialkarte Preuss. x, Hft. 3, pp. 781— 
785, figs. 
t Crassiscala gibboSa, rugulosa , n. spp., Lower Oligocene of N. Germany; 
Koenen, Abh. Geol. specialkarte Preuss. x, Hft. 3, pp. 777-779, figs. 
\Ela8monema rotundum , n. sp., Devonian, S. of England, Whidborne, 
Pal. Soc. p. 273, fig. 
+j Uolopella tenuireticulata, n. sp., Devonian, S. of England, Whidborne, 
Pal. Soc. p. 224, fig. 
Scala : as a generic name has precedence over Scalaria ; Newton, Ann* 
N. H. vii, p. 345. (See also Norman, t. c. p. 447; Newton, t.c. p. 522, 
and Norman, op. cit. viii, p. 176.) 
i Scalaria crinita , multicosta , insignita, fusulina , subtilis y angulifera y 
umbilicata , millegranosa , quadricincta , n. spp., S. exigua , n. n. [= pusilla, 
