442 REPORT ON ZOOLOGY, MDCCCXLIV. 



To this genus belong five species of Cytlierea figured in Pliilippi's Abbild. 

 vii, pi. 2 : C.patayonica, Phil, from Patagonia, Adunsonil, Phil. (Dosin Adaus.), 

 hepatica, Lam., excisa, Chemn., Dunkeri, Phil, (pacifica, Mus. Berol.), from the 

 Pacific, on the coast of Mexico. Besides which, the following species are 

 described by Philippi as belonging to the genus Arthemis (they are not 

 figured) : concentrica, Born., gigantea, Sow., exoletu, L., lincta, Pulteney, 

 lupinus, Poli, (lunaris, Lam.), contracta, Phil , (Chemn. vii, f. 403), jiiveniUs, 

 L., dilutata, Pliil. (Chemu. vii, f. 406), lucinalis, Lam., australls, Quoy et 

 Gaiin., sealaris, Meuke, prostrata, L. 



Pour new species of Cyrena by Sylvauus Hauley (Proc. p. 159.) 

 C. manilensis, Philippi (Meukc, Zeitsclir. p. 162), suborbicular. Manilla. 

 C. Largillierti, Philippi (ib.), allied to orientalis, Chemn., but much longer 

 and with very narrow transverse striations. C. nitens, ib., with narrow 

 striations, beaked posteriorly, brown. Both from China, from the river 

 Yaug-tse-Kiang. C. cuneata, Jonas (ib. p. 186), from the Orinoco. 2 

 Cyrena! (vide Annals, x, p. 8]), in Hinds (Sulphur). 



Lucina vitrea, Deshayes (Guerin, Mag. de Zool. pi. 106) : orbicular, white 

 transparent, finely striated, beak triangular, pointed ; corslet and lunula 

 compressed ; border entire, hinge with one tooth. Sumatra. L. gibbia, id. 

 (ib. pi. 107) : orbicular, convex, with concentric striations, white; corslet 

 with a deep border, luuula very minute, lanceolate cordiform, hinge with 

 two teeth. Sumatra. L. feiiestrata, Hinds (Sulphur) : orbicular, flat, 

 whitish, rough, with longitudinal and transverse Lines, emarginate poste- 

 riorly. San Bias. 



A new genus, Scacclda, has been instituted by Philippi (Emun. p. 27). 

 It differs from Amplddesma in the simple, not arched pallial impression; 

 from Lucina in the double (one external, the other internal) ligament, in the 

 posterior round muscular impression, the linguiform, compressed foot and 

 double branchiae, Lucina having but one brauchia on each side. S. elliptica, 

 Ph. (Tellina elliptica, Scacchi), S. ovata, Ph. Naples. 



Sylvanus Hauley has communicated to the Zoological Society the descrip- 

 tions of eighty-two new species of the genus Tellina (Proc. pp. 59, 68, 140, 

 1 46, 164) .T. carnea, Philippi (Menke, Zeitschrift), allied to T.fabula. The 

 plate in the fifth Part of Philippi' s Abbildungen, devoted to the genns Tellina, 

 contains T. coiicinna, Phil, plamssima, Anton, Antonii, Phil., serrata, Brocchii 

 foss., staurclla, Lam., ampullacea, Phil., from Senegal, and Philippi, Anton. 

 T.fucata, from California, bodegensis from Russian Bodegas, rodora, from 

 Macassar, in Hinds (Sulphur). 



liecluz has given a Monograph on the genus En-ilia, Turton. (Rev. Zool. 

 p. 85 ; Guerin, Magas. de Zool. 1844, pi. 95, 96.) The correct characters 

 are thus stated: Animal iguotum. Testa libcra, oblonga, trausversalis, 

 sequivalvis, insequilateralis, depressa, omnino clausa. Apices parvi, postice 



