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Show 916 BATRACHIANS OF THE MALAY PENINSULA AND SIAM. [Nov. 14, 49. ICHTHYOPHIS MONOCHROUS (Blkr.). Tchthyophis monochrous, Blgr. Cat. Batr. Grad. &c. p. 91, pl. iv. fig. 1 (1882). In April 1898 on different days I obtained two specimens from under a stack of firewood near " Maxwell's Bungalow," in the Larut Hills, Perak, elevation 3380 feet. 1st. Number of circular folds about 313 ; length 208 m m . 2nd. Number of circular folds about 309; length 167 m m . As in /. glutinosus, some of the circular folds either bifurcate or converge into each other; therefore the number, in counting the same individual at different parts of its circumference, varies. Colour (in life). Uniform purplish black. Tentacles white. Anal region and tip of tail pale pinkish. The eye appears as an inconspicuous black speck (but turns whitish in spirits). Distribution. India (Sikhim, Western Ghauts, Surat, Malabar), Malay Peninsula, Borneo, Java. ADDENDA.-Mr. A. L. Butler has recently obtained in the Malay Peninsula examples of two species not included in this list-Rana jerboa from the Batu Caves, Selangor, and Nectes subasper from Sungei Buloh : he also obtained in Kuala Sumpor a male Rana macrodon, measuring " exactly nine inches " (228-1 mm.) from snout to vent. EXPLANATION OF THE PLATES. PLATE LIX. Fig. 1. Bana macrodon (p. 888). Tadpole. X 2. la. „ „ „ mouth, x 15. 2. Bana tigrina (p. 891). Tadpole. X 1-J. 2a. „ „ ,, mouth. X 10. 3. Bhacophorus leucomystax (p. 898). Tadpoles. X 1\. 3*7. ,, „ Tadpole, mouth, much enlarged. PLATE LX. Fig. 1, la, lb. Microhyla ornata (p. 901). Tadpoles. X 4. 2. Microhyla (?), sp. ? (p. 903). Tadpole, side view and upper view. X 3. 2 a. „ „ „ front view of mouth, shut, x 6. 2i. „ ,, „ front view of mouth, open, x 6. 2 c. „ „ „ side view of mouth, shut. X 3. 3. Bufo penangensis (p. 908). Tadpole, upper and lower views, x 2. 3 a. „ „ „ mouth. X 5. |