The tail is about half again as long as the body in _S. baudini_, _cyanosticta_, _phaeota_, and _puma_; in these species the caudal musculature is moderately heavy, and the caudal fins are deep. The caudal musculature is upturned distally in _S. baudini_ and _phaeota_, and the dorsal fin extends anteriorly onto the body in these two species and in _S. puma_. The tail is about twice as long as the body in _S. sila_ and _sordida_. In both species the caudal fins are shallow in comparison with the depth of the caudal musculature, especially in _S. sordida_ (Fig. 14); in neither species does the dorsal fin extend anteriorly onto the body. [Illustration: FIG. 11. Tadpoles of _Smilisca baudini_: (A) Stage 21 (KU 62155) x 10; (B) Stage 25 (KU 68467) x 5; (C) Stage 30 (KU 60018) x 4; (D) Stage 41 (KU 60018) x 3.] _Mouthparts._--The mouth of _S. sordida_ is completely bordered by two rows of papillae, whereas in the other species the median part of the upper lip is devoid of papillae. _Smilisca baudini_ and _puma_ have two rows of papillae; _S. sila_ has one complete row (except medially on the upper lip) and one incomplete row, and _S. cyanosticta_ and _phaeota_ have only one row (Fig. 15). All species have numerous papillae in the lateral fold; the fewest lateral papillae are found in _S. cyanosticta_ and _phaeota_. Although all species have two rows of teeth in the upper jaw and three rows in the lower jaw, specific differences in the nature of the rows exist between certain species. The second upper tooth-row is narrowly interrupted medially in _S. sila_ and _sordida_ and broadly interrupted in the other species. The first upper row is strongly arched in _S. puma_, moderately arched in _S. baudini_ and _sila_, and weakly arched in the other species. In all species the third lower tooth-row is the shortest, only slightly so in _S. sila_ and _sordida_, but only about half the length of the second lower row in _S. puma_. [Illustration: FIG. 12. Tadpoles of _Smilisca cyanosticta_: (A) Stage 21 (KU 87648) (B) Stage 25 (KU 87651) x 5; (C) Stage 30 (KU 87652) x 4; (D) Stage 40 (KU 87650) x 3.] The beaks are well developed and finely serrate in all species. The lower, broadly V-shaped, beak is slender in _S. puma_, rather robust in _S. baudini_ and _sila_, and moderately heavy in the other species. The lateral processes of the upper beak are shortest in _S. puma_ and longest in _S. baudini_ and _sordida_. In the latter the inner margin of the upper beak and lateral process have the form of a shallow S, whereas in the other species the inner margin of the upper beak forms a continuous arch with the lateral processes (Fig. 15). [Illustration: FIG. 13. Tadpoles of _Smilisca phaeota_: (A) Stage 21 (KU 68479) x 14; (B) Stage 25 (KU 68480) x 5; (C) Stage 30 (KU 68482) x 4; (D) Stage 40 (KU 68483) x 3.]