MiOLLUSCA., 243 
Tivcla Cora and T. dunhcri, Romer, in Pfr. Mai. Blatt. pp. 119 & 120 j 
locality unknown. 
Tivela {Trigond) subglobosa^ Bunker^ in Pfr. Mai. Blatt. p. 100 j locality 
unknown. — Tivela {Trigondi) natalemis^ Bunker, 1. c. p. 101 j Natal.^ 
Lioconcha sphragitis, Romer, Mai. Blatt. p. 122 ; Indian Ocean. 
Tapes. Kritische Uebersicht sammtlicher Arten der zur Gat- 
tung Venus gelibrenden Untergattung Tupes, von E. Romer. 
[A critical jsynopsis of all the species belonging to Tapes j a sub- 
genus of the genus Venus.~\ Pfr. Mai. Blatt. pp. 19-44, 58-93. 
The author enumerates all the species known to him, care- 
fully compiling the synonymy and adding critical and descrip- 
tive remarks to almost every species. He admits three sections 
in this division : — 
1. Textrix, with the type T. iextrix (Chemn.). 
2. Paremhola : a, testa sulcata, T. Uterata (^L.) j h, testa transversim corru- 
gata vel laminosa, 2\ ohsoleta (Chemn.)^ 
3. Amygdala; T. decusmta (L.). 
4. Ilemitapes: or, testa transversim sulcata, T., vixginfic^ (I^.) == 
(Lam.) ; ft, testa Imvis, T. pinguis (Chemp.), 
For the European Venus virginea of authors (pet L.) ®P?cilic namei of 
edulis (Chemnitz) is chosen. 
Tapes {Ilemitapes) opaturia, Romer, Mai. Blatt. p. 123, from the Philip- 
pines 5 allied to ( Chione) nstulatu (Besh.), 
Mr. Reeve, Conch. Icon., has published the following species : 
Tapes orientalis, 34; Bombay. — T. occidentalism 36; Guadalpupe. — T. bjco- 
lorata,42‘, hah. — P. — T. livida,47^ hah. — P. — T. vernicosq, 48; hah. — P. — 
T. ampliidesmoideSm 60 ; Red Sea. — T. ferrugineam 61 j Philippines. — T, qrcticqj 
62; '^Arctic Sea.”— T. /afta, 39; hah. — P. 
Cyrenid^. 
Cyrena guilonica (Bens. 1860) has been identified witfi. (7. ^qohinfn^h 
(Hanley, 1868) by Mr. Benson himself. Ann. & Mag. Nat. Hist, xiij, p. 4^Q. 
Corbicula angasi, Prime, Journ. Conch, p. 161, pi. 7. figt 6; Iduyray Rivpri 
Australia. 
Cyclas asiatica, Martens, in Zeitschrift der deutsphep geolpgischeiji Gesell- 
schaft, 1864, p. 349, with figs. ; fossil in Siberia, apd Pfphably liyipg in 
Kamtschatka ; =: C. calycidata compressa (MiddepdprflF). 
Cardiidas. 
Lcevicardium apicinum. Carpenter, Ann. & Mag. Nat. Hist. xiii. p. 309; 
Cape St. Lucas, California. 
Bucardia {Meiocardia) cumin gii, A. Adams, Ann. & Mag. Nat. Hist. xiii. 
p. 309 ; China Seas. 
Callocardia, g. n., A. Adams, 1. c. p. 307, near Isocardia (Lam.) ; C. guttatuy 
A. Adams, 1. c., Island of Quelpart, near Korea. 
R 2 
