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 Suss.e.x, tab. 18, fig. 24, page 111.

(In the collections of Mr. Rose and Author.)

Vermicularia elongata, Bean MS. Pl. III. fig. 1, 1^a (In the collections of Mr. Bean, Dr.

Bowerbank, and Author.)

Cytherella ovata, Roemer. Pl. II. fig. 7 Jones, Cretaceous Entomostraca. Pal. Soc. page 29.

(In the collection of Mr. Jones.)

Idmonea dilatata D'Orbigny's Terrains Cretaces, tab. 632.

(In the collection of Mr. Bean.)

Diastopora ramosa, Dixon Geol. Suss. page 295.

(In the collection of Mr. Bean.)

Ceriopora spongites Goldfuss, page 25, tab. 10, fig. 14.

(In the collection of Author.)

Terebratula capillata. Pl. IV. fig. 4, 4^a, mag. surface Davidson's Cretaceous Brachiopoda, plate 5, fig. 12, page 46.

(In the collections of Mr. Rose and Author.)

Terebratula biplicata. Pl. IV. fig. 1, 1^a, mag. surface David. plate 6, fig. 34.

(In the collections of Dr. Bowerbank, Mr. Rose, and Author.)

Terebratula Dutempleana David. 6, fig. 1.

(In the collection of Mr. Rose.)

Terebratula semiglobosa. Pl. IV. fig. 2, 2^a, mag. surface David. plate 8, fig. 17.

(In the collections of Dr. Bowerbank, Mr. Bean, and Author.)

Kingena lima. Pl. IV. fig. 3, 3^a, mag. surface David. plate 5, fig. 3, page 42.

(In the collections of Mr. Rose and Author.)

Avicula, cast of. (In the collection of Mr. Bean.)

Exogyra haliotoidea. Pl. II. fig. 10 Sow. M. C. tab. 25, page 67.

(In the collections of Mr. Rose and Author.)

Inoceramus Coquandia.n.u.s. Pl. I. fig. 1 D'Orb. Ter. Cret. tab. 403, fig. 6-8.

(In the collection of Author.)

I. Crispii. Pl. I. fig. 4 Mant. G. S. tab. 27, fig. 11, page 133.

(In the collections of Mr. Rose and Geol. Soc.)

I. tenuis. Pl. I. fig. 5 ?

Mant. G. S. page 132.

(In the collections of Mr. Rose and Mr.

Wetherell.)

I. gryphaeoides Sow. M. C. tab. 584, fig. 1, page 161.

(In the collection of Mr. Rose.)

I. laeviusculus, Bean (In the collection of Mr. Bean.)

I. sulcatus Sow. M. C. tab. 306, page 184.

(In the collection of Mr. Rose.)

Ostrea frons. Park. Pl. II. fig. 4 Sow. M. C. tab. 365, page 89.

(In the collection of Mr. Wetherell.)

O. vesicularis, Lam. Pl. II. fig. 5 Sow. M. C. tab. 392, page 127.

(In the collection of the Author.)

O. Normaniana D'Orb. tab. 488, fig. 1-3, page 746.

(In the collection of Mr. Rose.)

Pecten Beaveri Sow. M. C. tab. 158, page 131.