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Lithograph showing teeth and jaw fragments referred to Echinodon, found in Dorset by Samuel Beckles.

Lacertians.—Echinodon Becclesii.

Fig. 1. Fore part of upper jaw and teeth; a, nat. size; b, tooth, magnified.

Fig. 2. Hind part of upper jaw and teeth; a, nat. size; b, tooth, magnified.

Fig. 3. Part of upper jaw and teeth, outer side; a, nat. size; b, teeth, magnified.

Fig. 4. Ib., inner side; a, nat. size.

Fig. 5. Part of lower jaw; a, nat. size; a, b, c, anterior teeth, magnified.

Fig. 6. Part of lower jaw, outer side; a, nat. size.

Fig. 7. Ib., dentigerous border ; a, b, crown of a rising tooth, magnified.

Fig. 8. Ib., inner side.

Fig. 9. Fore part of lower jaw ; a, tooth; both figures magnified.