OCR Text |
Show 222 MR. G. A. BOULENGER ON THE [Feb. 2, 59. AGROPHIS SARASINORUM, F. Mull. (Plate XIII. fig. 1.) Agrophis sarasinorum, F. Midi. Verh. nat. Ges. Basel, x. 1894, p. 827, fig. Maxillary teeth 14, subequal; mandibular teeth slightly decreasing in size posteriorly. Head small, not distinct from neck ; snout long, obtusely pointed: eye very small, with round pupil. Bostral large, the portion visible from above a little shorter than its distance from the frontal; nostril between two nasals, the anterior of which is very small; praefrontals twice as long as nasals; frontal large, rhomboidal, as broad as long, as long as its distance from the end of the snout, shorter than the parietals; supraocular very small; no praeocular, loreal aud praefrontal entering the eye, a minute postocular ; five upper labials, third and fourth entering the eye, fifth largest and forming a long suture wdth the parietal; symphysial not quite touching the anterior chin-shields, wdiich are a little shorter than the posterior. Scales smooth, in 15 rows. Ventrals 139-164; anal entire ; subcaudals 36-40. Tail pointed. Blackish brown above, strongly iridescent, whitish beneath; ventrals and subcaudals darker in front. Total length 235 millim.; tail 45. Summit of Sudara Volcano, 4450 feet; Lokon Volcano, near Tomohon, 5150 feet; Masarang Volcano, 4000 feet. The genus Agrophis, which was established by F. Midler for this species, is closely allied to the American genus Geophis, from which it differs in the smaller anterior nasal. A second species has recently been described from Borneo by Giinther, under the name of Geophis cdhonuchalis. 60. BHABDOPHIDIUM FORSTENI, D. & B. Snout rather pointed. Bostral broader than deep, well visible from above; internasals shorter than the praefrontals; frontal longer than broad, longer than its distance from the end of the snout, a little shorter than the parietals, about twice as broad as the supraocular; a rather large praeocular, reaching or nearly reaching the nasal; one postocular; five or six upper labials, third and fourth entering the eye, fifth largest and in contact with the parietal; first lower labial in contact with its fellow behind the symphysial; three lower labials in contact with the anterior chin-shields, which are longer than the posterior. Scales in 15 rows. Ventrals 137-160 (<$, 137-151; $,153-160); anal entire; subcaudals 21-34 (o\ 30-34; $, 21-26). Adult uniform blackish above, young with yellowish variegations; low'er parts and upper lip pale brown or yellowish white, with or without a blackish streak along the middle of the tail. Total length 470 millim.; tail 80. The genus Rhahdophidium is confined to Celebes. 11 specimens from Northern Celebes: 9 from Tomohon, and 2 from Burukan. |