272 



The number of ribs on the shells of C. (/?.) multispmositDi is variable, and the rather 

 small spines on the ribs also are not equally developed on ail shells. 



Distribution : — C. (i?.) miiltispmosuni vvas described from the Philippines, but has since 

 been recorded from the China and Australian Seas, Gulf of Siam, Madag^ascar and Mozambique. 



The "Siboga" spécimens were collected at the xA.nchorage ofT Djangkar, Java (St. 4), 

 and Macassar (St. 71). 



1 1 . Cardmvi [Fragum) carditaeforine Reeve. 



1845. Cardiuni Carditaeforme Reeve, Conch. Icon., II, Cardium, pi. XXII, fig. 127. 



1857. Heviicardia {Fragimi) carditaeformis Adams, H. & A. Gen. Rec. Moll., II, p. 458. 



1860. Cardium carditaeformis Reeve, Elem, Conch., II, p. 102. 



1870. Hemicardinm [Fragum) carditaeforme 'M.AcIKnéxe.w, Ann. Mag. Nat. Hist., (4) VI, p. 447. 



1872. Hemicardium [Fragum] Carditaeforme Tryon, Amer. Journ. Conch., VII, p. 271. 



1886. Cardium carditaeforme Cooke, Ann. Mag. Nat. Hist., (5) XVIII, p. 98. 



1890. Hemicardi7im [Fragum) carditaeforme Paetel, Cat. Conch. Samm., III, p. 119. 



1909. Hemicardium [Fragum) carditaeforme Lynge, D. Kgl. Dansk. Viden.sk. Selsk. Skr. Nat.- 

 Math., (7) V, p. 261, pi. V, figs. 21, 22. 



Distribution : — This beautiful little Cardium was described by Reeve from shells of 

 unknown habitat. The species has since been recorded from the Gulf of Suez, the Gulf of Siam and 

 according to Lynge from the Andamans. Lynge has also published a good figure of the species. 



The "Siboga" Expédition dredg'ed a complète shell and a left valve of C. [F?) carditae- 

 forme from the Buka or Cyrus Bay, south coast of Rotti Island (St. 299). 



12. Cardhuu {^Fraguni) unedo Linn. 



1684. Coucha pariter imbricata etc. Bonanni, Recr. Mentis, Oculi, p. 166, fig. 375. 



1685. Pectuuculus rhomboides Lister, Hist. Conch., pi. CCCXV, fig. 151. 



1741. Fragum etc. Rumph, Amboin. Rarit., p. 142, pi. XLIV, Fig. F. 



1742. Coucha cordiformis etc. Gualtieri, Ind. Test., pi. LXXXIII, figs. A, A, B, B. 



1757. Cordiforme Fragum etc. d'Argenville, La Conch., pp., 294, 299, pi. XXIII, fig. N. 



1758. Halocardiujn, La Fraise rouge Regenfuss, Choix Coq., pp. xvill, XIX, pi. III, fig. 25. 

 1758. Coucha bivalvis a Frago dicta Seba, Thés., III, p. 178, pi. LXXXVI, figs. 12, 12. 

 1758. Cardium Unedo Linnaeus, Syst. Nat., (éd. X), p. 680. 



1764. Cardium Unedo Linnaeus, Mus. Lud. Ulr., p. 488. 



1765. La fraise blanche and La coeur de Venus etc., Knorr, Délices Yeux, p. 54, pi. XXIX, 



figs. 2, 5. 

 1767. Cardium Unedo Linnaeus, Syst. Nat., (éd. XII), p. 1123. 

 1780. Cardium unedo Born, Test. Mus. Caes. Vindobon., p. 45. 

 1780. Coeur Favanne, La Conch., pi. LI, fig. i, 2. 

 1782. Fragum rubrum Chemnitz, Conch. -Cab., VI, p. 174. pi. XVI, figs. 168, 169. 



1788. Cardium unedo Schroter, Conch. -Cab. Namen Reg., p. 19. 



1789. Cardium unedo Bruguière, Encyclopéd. Méthod., I, p. 214. 



1790. Cardium unedo Gmelin, Syst. Nat., (éd. XIII), p. 3250. 



1797- Bruguière, Encyclopéd. Méthod., pi. CCXCV, fig. 4. 



1797. Cardium Unedo Humphrey, Mus. Calonnianum, p. 49. 



1798. Fragum Unedo Rôding, Mus. Boltenianum, p. 189. 



1799. Cardium [Heuiicardium) unedo Spengler, Skrivt. Nat. Selsk., V, p. 59. 

 1802. Cardium unedo Bosc, Hist. Nat. Coq., III, p. loo. 



18 II. Cardium cruentum Perry, Conchology, pi. LVII, fig. i. 



