CYCLOSTOMA. 



1, 2 (I), suturale of Sowerby in the Thesaurus Conchyliorum, i. p. 91. 



3, 5 (I), pusillum of Sowerby in the Thesaurus Conchyliorum, i. p. 94. 



4 (I). Popayanurn of Lea in the American Philosophical Transactions. 



6, 7 (I), semistriatum of Sowerby in the Thesaurus Conchyliorum, i. p. 91. 



8 (I). Brasiliense of Sowerby in the Zoology to Beechey's "Voyage, and Th. C. i. p. 92. 



9, 10 (I), giganteum of Gray in the Thes. Con. i. p. 92 (= Cumingii, Jay, teste Pfeif.) 

 11, 12, 13 (IV). Jamaicense, var. of Pfeiffer's Monographia Pneumonopomorum. 

 14, 15 (IV). Jamaicense of Pfeif. loc. cit. (as Turbo J. of Chemnitz) ; Cyclotus lineatus. Gray. 

 16, 17 (I), articulatum of Gray in Griffith's edition of Cuvier : filosum of Sow. 

 18 (I), clathratulum of Sowerby (Thes. Con. i. p. 97), as of Becluz in the Bevue Zoologique, 1843. 

 19, 20 (I), politum of Sowerby (Thes. Con. p. 97). 

 21, 22 (I). Valvatoides of Thorpe's MSS. 

 23, 24, 25 (I), lucidum of Lowe in the Cambridge Philos. Trans. 1831, and of Sow. (Thes. Con. 



i. p. 97). 

 26, 27, 28 (I). Listeri of Gray in the Thesaurus Conchyliorum, p. 98. 

 29, 30 (I). Philippianum of Pfeiifer in Kuster's edition of Chemnitz: ligatum of Sowerby's 



Thesaurus. 

 31, 32 (I), ligatum of Sowerby's Genera of Shells. 

 33, 34, 35 (I), afiine of Sowerby (Thes. Con. i. p. 98), as the Turbo ligatus of the Index 



Testaceologicus. 

 36, 37 (IV). ortyx of Sowerby (Thes. Con. i. p. 99), as of Valenciennes in the Magasin de Zoologie. 

 38 to 41 (I), undulatum of Sowerby in the Thesaurus Conchyliorum, i. p. 99. 

 42, 43 (I), sulcatum of Sowerby (Thes. Con. i. p. 100), as of Olivier (Voy. Ottom.). 

 44, 45 (I), elegans of Sowerby (Thes. Con. i. p. 101), as of authors. 

 46, 47 (I), marmoreum, do. (Thes. Con. i. p. 101), as of Brown in the Edinburgh Journal of Nat. 



and Geogr. Science, i. 

 48, 49 (II). Pupiforme of Sowerby in the Thesaurus Conchyliorum, i. p. 102. 

 50 (II). mammillare of Sowerby (Thes. Con. i. p. 102), as of Lamarck. 



51, 52 (II). versicolor of Pfeiffer (Mon. Pn.), for C. aurantiacum of Sowerby (not Schumacher). 

 53 to 56 (II). simile of Gray in the Thesaurus Conch, (i. p. 103); teste Pf. = and after 

 megacheilos of Potiez (Gal. Douai, i.). 



58 (II). tenellum of Sowerby in the Thesaurus Conchyliorum, i. p. 104. 



59 (II). polysulcatum of Potiez and Midland's Galerie de Douai, i. 



60, 61 (II). Siculum of Sowerby (Thes. Con. i. p. 104) : teste Pfeif. = and after polysulcatum, Pot. 



62, 63 (II). Melitense of Sowerby in the Thesaurus Conchyliorum, i. p. 105. 



64, 65, 66 (II). ferrugineum of Sowerby (Thes. Con. i. p. 105), as of Lamarck. 



67, 68 (II). dissectum of Sowerby in the Thesaurus Conchyliorum, i. p. 105. 



69, 70, 71 (II). semilabrum of Sowerby (Thes. Con. i. p. 106), as of Lamarck. 



72, 73 (II). rufilabrum of Beck in the Thesaurus Conchyliorum, i. p. 106. 



74 (II). cornu-venatorium of Sowerby (Thes. Con. i. p. 107), as of Gmelin. 



75 (II). lutescens of Pfeiffer in the Proceedings of the Zoological Society, 1851. 



76, 77, 78 (II). lsBvigatum of Webb and Berthelot in the Annales des Sciences, 1833. 



