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Show 1869.] MR ST. GEORGE MIVART ON ANUROUS BATRACHIANS. 291 When reading his paper before the Zoological Society, Dr. Giinther called attention to the interesting and highly remarkable parallelism between this genus of South A-Vmerica and the European Bombinator. Subfam. 5. LIOPELMATINA. Tympanum none (or hidden) ; no eustachian tubes; sacral vertebra dilated ; no vomerine teeth ; toes webbed at the base. Genus Liopelma, Fitz., and Gunther, B. Mus. Cat. MS., New Zealand. Divison II. Ear perfect. Subsection a. Parotoids. Fam. VITI. PLECTROMANTIDAE. A tympanum and cavum tympani; two eustachian tubes, each with a considerable aperture ; transverse processes of sacral vertebra not dilated ; parotoids present as a large oblong gland behind the mouth; tongue large, rounded and free behind ; toes nearly all free, but with small disks ; no disks to fingers. [Arciform cartilages present ?] Genus Plectromantis, Neotropical region. Fam. IX. ALYTIDAE. Answers to the Alytidee and Uperoliidce of Dr. Giinther. A tympanum, cavum tympani, and eustachian tubes present; transverse processes of sacral vertebra dilated ; parotoid glands present ; tongue fixed in front; digits not dilated at the tips; arciform cartilages present. Palaearctic, Nearctic, and Neotropical regions. Subfam. 1. ALYTINA. Vertebrae opisthocoelian ; ribs present; " first coccygeal vertebra united as usual with the second or style, but furnished with posteriorly divergent diapophyses, and attached to the sacral by two cotyloid cavities ; a fronto-parietal fontanelle ; terminal phalanges continuous, simple." Genus Alytes, Palaearctic region. Subfam. 2. SCAPHIOPODINA. Vertebrae proccelian ; no ribs ; no coccygeal diapophyses ; coccyx connate with sacrum ; terminal phalanges continuous, conic. Genus Scaphiopus, North x-Vmerica. Subfam. 3. UPEROLIINA (Uperoliidce, Gunther). Vertebrae proccelian ; no ribs; coccyx separate, attached to two condyles, with no diapophyses ; terminal phalanges simple. Genera :-Hyperolius, Neotropical region ; Helioporus, Neotropical ; Nattereria, Neotropical. |