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Show 1891.] RACES OF RANA ESCULENTA. 383 of the inner toe, and 5 to 8 times in the length of the tibia; when the limbs are folded at right angles to the body, the extremities of the tibiae sometimes meet, but usually fail to meet; tibia considerably shorter than the foot measured from the outer metatarsal tubercle. Skin smooth or with small warts ; glandular lateral fold verv prominent, narrower than the upper eyelid. Bright green or brown above, the dark markings sometimes forming longitudinal bands ; hinder side of thighs handsomely marbled with black on a bright yellow or orange ground; vocal sacs not or but very slightly pigmented. 6 2 6 2 6 2 6 2 2 6 2 2 2 2 Measurements. 1. 2. 3. Foulmire 51 23 28 67 28 33 Stow Bedon .... 64 25 34 .... 78 30 39 Hilden 49 23 28 58 25 30 Offenbach 53 24 28 55 24 28 Crollwitz 55 24 28 Piedmont 48 23 27 73 31 37 68 31 34 54 25 29 Malta 70 32 36 4. 6 n n 9 H H 6 H 7 6 8 8 6 y g 5. 3| 5 6 4 31 3 4 H 5 4 H 1-3, 4-S. ^,2, hgr., & yg. M2, 13. 6, 2, hgr., & yg. 14-18. Yg. 19-22. 6 2- 23-26.6,2. & hgr. 27. 2. 28-37. 6,2,hgr., _ & yg- 38. 2- List of the Specimens. Foulmire Fen, Cambridgeshire. Stow Bedon, Norfolk. Stow Bedon. Hilden, near Dusseldorf. Offenbach. Crollwitz, near Halle. Piedmont. Malta. W. Yarrell, Esq. [P.]. Lord Walsingham [P.]. G. E. Mason, Esq. [P.]. W. F. Kirby, Esq. [P.]. Dr. J. de Bedriaga [P.]. Dr. W . Wolterstorff [P.]. Prof. L. Camerano [P.]. Zoological Society [P.]. 4. Var. NIGROMACULATA. Inner metatarsal tubercle very strong, compressed, hard, crescentic, its depth about half its length, which is 1 to 1 f times in the length of the inner toe, and 5 to 8 times in the length of the tibia ; when the limbs are folded at right angles to the body, the extremities of the tibiae meet; tibia considerably shorter than the foot measured from the outer metatarsal tubercle. Interrupted narrow glandular folds along the back, in addition to the dorso-lateral, which are well-marked and narrower than the upper eyelid. Green or brown above, the black markings often forming longitudinal bands ; hinder 26* |