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Show 602 MR. G. A. B O U L E N G E R ON THE [Nov. 17, the middle; first series of lower labial teeth at least two thirds the length of the second; width of mouth a little less than the interocular width, which equals about once and a half the distance between the nostrils 3. B. temporaria. Second series of upper labial teeth continuous or narrowly interrupted; first series of lower labial teeth at least two thirds the length of the second; width of mouth quite as great as the interocular space, which equals about once and a half the distance between the nostrils 4. R. grceca. Second series of upper labial teeth widely interrupted in the middle ; first series of lower labial teeth hardly half as long as the second; width of mouth much less than the interocular space, which equals nearly twice the distance between the nostrils 5. p, iberica. [3. Tail acutely pointed or submucronate, at least nearly twice as long as the body. Interocular space once and a half the width of the mouth or the distance between the nostrils ; no tubercle on the upper mandible 6. B. latastii. Interocular space at least twice the width of the mouth or the distance between the nostrils; usually a black tubercle on the upper mandible 7. B. agilis. 2. Anus opening above the lower edge of the tail; upper caudal crest extending far forwards on the back, almost to between the eyes, which are lateral and visible from the ventral as well as from the dorsal aspect of the body; series of labial teeth - II, H Y L A. 8. H. arborea. B. Anus median. 1. Spiraculum directed straight backwards; tail rounded at the end; both upper and lower lip with toothed edge ; series of labial teeth ? III. B U F O. Mouth at least as wide as the interocular space, which is twice as great as the distance between the nostrils ; second upper series of labial teeth very narrowly interrupted in the middle 9. p. vulgaris. Mouth nearly as wide as the interocular space, which measures once and a half the distance between the nostrils; second upper series of labial teeth more or less interrupted in the middle 10. B. viridis. Mouth considerably narrower than the interocular space, which is nearly twice as great as the distance between the nostrils; second upper series of labial teeth very widely interrupted in the middle 11. p. calamita. 2. Spiraculum directed upwards and backwards; lower lip bordered with papilla; series of labial teeth 7 or •=, 4 5 a. Tail acutely pointed, without black lines; first series of upper labial teeth short; beak entirely Tmla ai-ili tdohobichan!suarctlandeael nkrtayc, hn ees od p nvb wac;aeice- tdeh ;wt a ehlan:e ftd no ; ftalt o e Iht hvaeh-stae twln PifomcstR ottewOhur iBeitcaAl ehslsT, e,E ln oSaogf.nt ghed n aoc sfonn etsahiredl eybr oatdbhylr y i; cge r,iei nattheeerr - 12. P fuscus |
