1891.1 



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 tlie 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 very pro- 

 minent, narrower than the upper eyelid. Bright green or brown 

 above, the dark marldngs 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. 



Measurements. 



1. 2. 3. 4. 5. 



Foulmire 51 23 28 6 3| 



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 



n 



9 



H 



H 



6 

 6i 



7 

 6 



01 



5 

 6 

 Si 



3 



4 

 3^^ 



H 



1-3, 4-6. cT, ?. 



hgr., & yg. 

 7-12, 13. S,2< 



hgr., & yg. 

 14-18. Yg. 

 19-22. c?2. 

 23-26.0?, 2, & hgr. 

 27. $. 

 28-37. c?,$,ligr., 



38. $. 



List of the Specimens. 

 Foulmire Fen, Cambridgeshire. 



Stow Bedon, Norfolk. 



Stow Bedon. 



Hilden, near Diisseldorf. 



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§ 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 tibise 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* 



