By the kindness of Dr. Bowerbank, Messrs. Wetherell, Bean, Leckenby, and Rose, in permitting me to see the specimens in their respective cabinets, and to whom, as well as to Mr. Rupert Jones, I must express great obligations for much valuable information, the accompanying list of the Red Chalk fossils of Speeton, Hunstanton, and Muswell Hill has been compiled. To the Council of the Geological Society, I am also indebted for permission to figure from the Society's Museum the Inoceramus Crispii, on pl. i. fig. 4. LIST OF FOSSILS FROM THE RED CHALK. Key to Table Columns: S: Speeton H: Hunstanton MH: Muswell Hill S H MH Cristellaria rotulata, D'Orb. Pl. II. fig. 8 × Sowerby's Min. Conchology, tab. 121, page 45. (In the collection of Mr. Jones.) Siphonia pyriformis. Pl. II. fig. 2 × Goldfuss Petrifacta, tab. 6, fig. 7, page 16. (In the collection of Mr. Rose.) This is probably the head of the next. Spongia paradoxica. Pl. II. fig. 1 × Geol. Trans. 2, tab. 27, fig. 1, page 377. (In the collections of Mr. Rose and Author.) Bourgueticrinus rugosus. Pl. III. fig. 5 × D'Orbigny's Hist. des Crinoides, tab. 17, fig. 16-19. (In the collections of Mr. Rose and Author.) Pentacrinites Fittonii × × Austin's Crinoids, page 125. (In the collections of Mr. Rose, Author, and Mr. Wetherell.) Cardiaster suborbicularis, Forbes. Pl. II. fig. 3 × Gold. tab. 45, fig. 5, page 148. (In the collections of Mr. Rose and Author.) Mr. Rose's specimen is far better than the one figured. Cidaris Gaultina (?), Forbes, Dec. v. Pl. III. fig. 7 × (In the collection of Mr. Rose.) Spines with 8 ridges, 10 ridges, and 20 ridges × × (In the collections of Mr. Rose and Mr. Wetherell.) Diadema tumidum, Forbes, Dec. v. Pl. III. fig. 6 × (In the collection of Mr. Rose.) Serpula antiquata. Pl. III. fig. 4 × Sow. Min. Con. tab. 598, fig. 4, page 202. (In the collection of Mr. Rose.) Serpula irregularis. Pl. III. fig. 3 × (In the collection of Author.) Serpula triserrata. See notice, page 18 × (In the collection of Mr. Rose.) Vermicularia umbonata. Pl. III. fig. 2 × Mantell's Geol. of Sussex, tab. 18, fig. 24, page 111. (In the collections of Mr. Rose and Author.)