. Catalogue of the Batrachia Salientia s. Ecaudata in the collection of the British museum. Amphibians. 10. TUIPRXOX. 431 10. TRIPEION. Pliaryng-odon, Cope, Proc. Ac. Philad. 1865, p. 193. Tripiioii, Cojye, Proc. Ac. Philad. 1866, p. 127, and Journ. Ac. Philad. (2) vi. 1866, p. 85. Pupil erect. ToDgue subcircular, scarcely free behind, entire. Yomeriue teeth, and a series of parasphenoidal teeth. Head a bony casque, with projecting labial borders. Tympanum distinct. Fingers "with a slight rudiment of web; toes webbed, the tips dilated into regular disks. Outer metatarsals united. Omosterm
. Catalogue of the Batrachia Salientia s. Ecaudata in the collection of the British museum. Amphibians. 10. TUIPRXOX. 431 10. TRIPEION. Pliaryng-odon, Cope, Proc. Ac. Philad. 1865, p. 193. Tripiioii, Cojye, Proc. Ac. Philad. 1866, p. 127, and Journ. Ac. Philad. (2) vi. 1866, p. 85. Pupil erect. ToDgue subcircular, scarcely free behind, entire. Yomeriue teeth, and a series of parasphenoidal teeth. Head a bony casque, with projecting labial borders. Tympanum distinct. Fingers "with a slight rudiment of web; toes webbed, the tips dilated into regular disks. Outer metatarsals united. Omostermim cartilagi- nous ; sternum a cartilaginous plate. Diapophyses of sacral vertebra strongly dilated. Yucatan. 1. Triprion petasatus. Phar^^^godon petasatus, Cope, Proc. Ac. Philad. 1865, p. 193. Triprion petasatus, Cojye, Proc. Ac. Philad. 1866, p. l27, and Journ. Ac. Philad. (2) vi. 1866, pi. 25. f. 7 & Upper view of head. Latei'al view of bead. Open mouth. Vomerine teeth in two small groups between the choanse ; para- sphenoidal teeth in a simple series. Head entirely bony, rough ; snout quite flat, projecting far beyond the mouth-opening, the latter being very inferior ; canthus rostralis and superciliary ridges forming an elevated ridge; hinder edge of casque straight, raised; tympanum half the diameter of orbit. Fingers with a slight rudiment of web ; toes short, two-thirds webbed ; disks smaller than the tympanum ; subarticular tubercles moderate. The hind limb being carried for- wards along the body, the tibio-tarsal articulation readies between the shoulder and the eye. Skin smooth above, granulate beneath. Brownish above, spotted with darker; head with white pimctua- tions ; whitish beneath, immaculate. Male with an external sub- gular vocal sac; during the breeding-season the inner side of the fii'st finger covered with blackish rugosities. Yucatan. a-b. c-d. 6. Yucatan. Yucatan. M. G. A. Boulenger [P.].. Please note that these images are extracted from scanne
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectamphibians, bookyear1
