4, ALYTES. 449 
lil. p. 358; Schreiber, Herp. Eur. p. 102; Lataste, Herp. Gir. 
p- 249; Leydiy, An. Batr. p. 64. 
Obstetricans vulgaris, Dugés, Rech. Ostéol. Batr. 
Alytes obstetricans delislei, Lataste, Rev. Intern. Sc. 2nd year, p. 543. 
Vomerine teeth in a straight, interrupted line behind the choanze. 
Habit stout. Snout rounded. Head about one third total length. 
Tympanum two thirds the width of the eye. First finger shorter 
than second, which equals fourth ; three metacarpal tubercles; toes 
short, webbed at the base, fringed; a small inner metatarsal 
tubercle. The hind limb being carried forwards along the body, the 
tibio-tarsal articulation reaches the tympanum. Skin of upper 
surfaces warty ; a small parotoid, sometimes indistinct ; a more or 
less distinct large gland in the upper integument of forearm and of 
tibia; belly granular. Olive-grey above, dotted and spotted with 
darker. Male without vocal sac. 
France, Switzerland, Belgium, W. Germany. 
a-c. 5 & eggs. Paris. 
d-e. 3? Bonn. Dr, A. Giinther [P.]. 
Ff 2 & eggs. tg Sir A. Smith [P. }. 
Var. bosce. 
Alytes obstetricans boscai, Lataste, Rev. Intern. Sc. 2nd year, p. 543, 
and Actes Soc. Linn. Bord. xxxiv. pl. 11. f. 3-5. 
Head larger, more than one third total length. Spots larger, 
more distinct. 
Spain, Portugal. 
Gg: Or Valencia, Spain. Lord Lilford [P.]. 
ha. 3. ' Porto. KK. Allen, Esq. 
2. Alytes cisternasil. 
Alytes cisternasi, Bosca, An. Soc. Esp. viii. 1879, p. 217. 
Ammoryctis cisternasi, Lataste, C. R. Ac, Paris, 1879, p. 983; Bosca, 
An, Soc. Esp. x. 1881, pl. 2. f. 1-6. 
Differs from A. obstetricans chiefly in the following characters :— 
Habit stouter still. Interorbital space broader. Fourth finger 
shorter than first. Two metacarpal tubercles. 'Tibio-tarsal articu- 
lation not reaching the tympanum. Skin nearly smooth above. 
Spain. 
11. AMPHIGNATHODONTIDZ. 
Both jaws toothed ; diapophyses of sacral vertebra dilated. 
But in the presence of teeth in the lower jaw, the unique genus 
of this family agrees in all important characters with the Hylidae, 
and particularly the genus Vototrema. 
26 
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