TETRABRANCHIA. 
Moll. 109 
f If. subovatus , n. sp., Devonian of Manitoba, WiiiteaveS, Tr. R. Soc. 
Canada, viii, Sect. 4, p. 97, fig. 
f Pachyerisma discussed in its relation to Megnlodon and Dicer as ; 
P achy meg alodon is a synonym for it; Boehm, Ber. Ges. Freiburg, vi, 
pp. 33-56, fig. 
Protodiceras, n. g., type Megalodon pumilus , Giimb. ; Boehm, Ber. 
Ges. Freiburg, vi, p. 51, fig. 
Cypeinid^;. 
Arcticidce, n. n. is proposed for Cyprinidce since the name of the type 
genus Cyprina is preoccupied, and Schumacher’s name, Arctica, has to be 
revived for it ; Newton, (298) p. 295. 
f Anisocardia blauenensis , humilis , bernensis , n. spp., Lower Corallian of 
the Bernois Jura, Loriol, Abh. Schw. pal. Ges. xviii, pp. 182-184, figs. 
^ f Bradicardia, n. g., allied to Libitina, with B. kobyi , n. sp., Lower 
Corallian of the Bernois Jura ; Loriol, Abh. Schw. pal. Ges. xviii, 
pp. 190 & 191, figs. 
f Cyprina maresi , n. sp., Cretaceous of Tunis, Peron, Exped. Scient. 
Tunisie, p. 297, fig. 
Isocar dia : anatomy of ; Menegaux, (279) pp. 150-132, fig. 
~\ Trapezium naamanense , n. sp., Cretaceous of Syria, Whitfield, Bull. 
Am. Mus. Nat. Hist, iii, p. 406, fig. 
f Coralliophaga brachia , n. sp., Oligocene of Etampes, Cossmann, J. de 
Conch, xxxi, p. 280, fig. 
f Veleda elliptica , n. sp., Cretaceous of Syria, Whitfield, Bull. Am. 
Mus. Nat. Hist, iii, p. 406, figs. 
Yeneridj:. 
t Gallista syriaca , n. sp., Cretaceous of Syria, Whitfield, Bull. Am. 
Mus. Nat. Hist, iii, p. 411, fig. 
f Caryates globulus , n. sp., Cretaceous of Syria, Whitfield, Bull. Am. 
Mus. Nat. Hist, iii, p. 410, fig. 
Circe striata, undulata , n. spp., Mediterranean, Locard, Ann. Soc. 
L. Lyon, xxxvii, p. 302. 
Cytherea gracilenta , rugata, n. spp., Mediterranean, Locard, Ann. 
Soc. L. Lyon, xxxvii, pp. 284 & 285. 
C. ( Caryatis ) yerburyi , n. n. for Dione erubescens, Reeve, non Dunker ; 
Smith, P. Z. S. 1891, p. 423. 
Dosinia complanata i n. sp., French Atlantic Coast, Locard, Ann. Soc. L. 
Lyon, xxxvii, p. 287. 
4 Eutivela, n. subg. of Meretrix ; E. perplexa and E. iheringi , n. spp., 
Brazil, Dall, Naut. v, pp. 28 & 29, figs. 
Lucinopsis pellucida , n. sp., S. Australia, Tate, Tr. R. Soc. S. Austr. 
xiv, p. 263, fig. 
Meretrix : for n. subg. and 2 n. sp. see Eutivela. 
