608 MR. G. A. BOULENGER ON THE [NoV. 17, 



forming ~ or ^ series, of which the second upper is but narrowly 

 interrupted in the middle ; the four lower series are either all con- 

 tinuous and occupying nearly the whole width of the lip, or the 

 fourth is broken up in the middle. A single series of papillae on 

 the lower labial edge. Tail obtuse, once and two thirds the length 

 of the body, its depth about one third its length. 



Grey above, closely speckled with black, whitish beneath ; muscular 

 portion of the tail reticulated with black ; caudal crests with small 

 black spots or arborescent markings. 



Total length 48 millim. : body 18, width of body 12; tail 30, 

 depth of tail 10. 



Several tadpoles, from the Parnassos, were received from Dr. 

 Kriiper. In recently describing this Frog (Ann. & Mag. N. H. 6, 

 viii. 1891, p. 346, vvith fig.), I have explained how the study of 

 these larvae led me to suspect the existence of a new species of Rana 

 in the mountains of Greece (Parnassos and Korax). 



5. Rana iberica, Blgr. (Plate XLV. fig. 5.) 



Like the following, this Frog is intermediate between R. temporaria 

 and R. agilis in both its perfect and larval state. Width of mouth 

 much less than the interocular space, which equals nearly twice the 

 distance between the nostrils. Series of labial teeth p rarely j, the 

 second upper series widely interrupted in (he middle, the third very 

 short; first lower series short, hardly half the length of the second, 

 fourth interrupted in the middle. The beak resembles that of 

 JR. agilis and, in one of the four specimens before me, the upper 

 mandible is likewise provided vvith a large black tubercle in the 

 middle of its basal portion. 



Tail obtuse, once and a half to once and three fourths the length 

 of the body, its depth about one third its length. 



Lines of muciferous crypts very distinct, as in R. agilis. 



The colour of the upper parts varies from reddish brown (Heron 

 Royer) to blackish brown (Bedriaga) ; belly greyish or whitish ; 

 caudal crests brownish, the upper darker than the lower, with brown 

 dots and large blackish spots, which are also present on the nuiscular 

 part. 



The largest of the two tadpoles from Coimbra, which I owe to 

 the kindness of Dr.de Bedriaga, measures 49 millim. : body 17, 

 width of body 12 ; tail 32, depth of tail 11. 



The tadpole of this species, which inhabits Spain and Portugal, 

 has recently been described by Heron Royer and Van Barnbeke 

 (Z. c. p. 2;iy, pi. xvi. fig. 4) and by Bedriaga (Larves des Batr. de 

 Portug., Coimbra, 1891, p. 8). 



According to Bosca (Bull. Soc. Zool. France, 1880, p. 259), 

 R. iberica is usually found in or near water. He found small larvae 

 on the 22nd of March and, on the same day, a breeding male. 



6. Rana latastii, Blgr. (Plate XLV. fig. 6.) 

 Intermediate between R. temporaria and R. agilis. Width of 



