OCR Text |
Show 1883.] FROGS FROM NORTHERN PERU. 63? marbled with lighter; a greyish streak from eye to groin on each side and a narrow vertebral line of the same colour ; a white spot on each side of the vent, on hinder side of thighs; lower surfaces dirty white, throat grey. Male with a large external subgular vocal sac. From snout to vent 17 millim. A single d" specimen. 8. LEPTODACTYLUS RUBIDUS, Cope. 9. LEPTODACTYLUS RHODOMYSTAX, sp. n. (Plate LVIII. fig. 2.) Tongue oval, slightly nicked behind. Vomerine teeth in two straight transverse series just behind the choanae. Habit stout. Snout rounded, as long as the diameter of the orbit; nostril nearer the tip of the snout than the eye ; interorbital space a little broader than the upper eyelid; tympanum two thirds the diameter of the eye. Fingers moderate, first longer than second; toes moderate, slightly fringed; tips of fingers and toes slightly swollen ; subarticular tubercles well developed; two small metatarsal tubercles. The hind limb being carried forward along the body, the tibio-tarsal articulation reaches the shoulder. Skin smooth ; a glandular lateral fold. Vinaceous brown above ; the canthus rostralis, the lateral fold, a cross band between the eyes and another on interscapular region blackish ; a band round the upper lip pinkish white ; legs with rather indistinct dark cross bands ; hinder side of thighs black, white-spotted ; lower surfaces white, throat and breast marbled with greyish. From snout to vent 25 millim. Two young specimens. 10. LEPTODACTYLUS DISCODACTYLUS, sp. n. (Plate LVIII. fig. 3.) Tongue oval, slightly nicked behind. Vomerine teeth in two straight transverse series behind the choanse. Snout rounded, a little longer than the diameter of the orbit; nostril nearer the tip of the snout than the eye ; interorbital space broader than the upper eyelid ; tympanum two thirds the width of the eye. Fingers moderate, first not extending beyond second ; toes slender, fringed ; tips of fingers and toes dilated into small disks; subarticular tubercles well developed ; two small metatarsal tubercles. The hind limb being carried forward along the body, the tibio-tarsal articulation reaches the anterior border of the eye. Skin perfectly smooth. Olive-brown above, with rather indistinct darker spots forming cross bands on the limbs; a dark cross band between the eyes; lower surfaces white, finely marbled with brown. From snout to vent 28 millim. A single § specimen. 11. BUFO TYPHONIUS, Laur. 12. HYLA LANCIFORMIS, Cope. The single, full-grown, specimen is uniform dull olive above. 13. HYLA TAURINA, Fitz. PROC. ZOOL. Soc-1883, No. XLII. 42 |