Venoms; venomous animals and antivenomous serum-therapeutics . wn ; head pale brown ; l)elly yellowish-white. (5) P. papucDins.—Scales in 19—21 rows (2() or 27 on theneck) ; 221—224 ventrals ; 49—55 subcaudals. Colour uniform black ; chin white. (6) P. scuteUatns.—Subcaudal shields in 2 rows : scales onthe body in 23 rows (25—30 on the neck) ; 230—233 ventrals;()1—78 subcaudals. Colour pale brown or dark brown ; snout and cheeks pale brown?or yellowish ; belly yellow. (7) P. ))iicr()lepidotus.—30—36 scales across the neck, 23 acrossthe middle of the body; 232—237 ventrals; 61—(JO pairs of sub-
Venoms; venomous animals and antivenomous serum-therapeutics . wn ; head pale brown ; l)elly yellowish-white. (5) P. papucDins.—Scales in 19—21 rows (2() or 27 on theneck) ; 221—224 ventrals ; 49—55 subcaudals. Colour uniform black ; chin white. (6) P. scuteUatns.—Subcaudal shields in 2 rows : scales onthe body in 23 rows (25—30 on the neck) ; 230—233 ventrals;()1—78 subcaudals. Colour pale brown or dark brown ; snout and cheeks pale brown?or yellowish ; belly yellow. (7) P. ))iicr()lepidotus.—30—36 scales across the neck, 23 acrossthe middle of the body; 232—237 ventrals; 61—(JO pairs of sub-caudals. Colour dark brown on the back, yellowish-grey on the belly ;head sometimes blackish. (8) —Snout very broadly rounded. Scales on the bodyin 23 rows ; 235 ventrals ; (50 pairs of subcaudals. Colour black above, yellowish beneath. (f) Denisonia. Maxillary bones prolonged as far as the palatines, with a pair oflarge grooved poison-fangs, followed by 3—5 small solid teeth; THli rinXCIlAL SlEClKS OF IUlSOXUiS SXAKES m. Fig. 52. — Denisonin snpcrba (The Copper-head). anterior mandibular teeth greatly developed. Head fairly distinctfrom the body ; eyes small, with round or vertically elliptic pupils;nasal shield entire or divided. Body cylindrical ; scales smooth, in15—19 rows ; tail moderate or short; subcaudals in a single row,except in one species. According to the British]\Iuseum Catalogue, the genusDenisonia includes twenty-one species, the principalcharacters of which are asfollows :— (1) D. superha (The Cop-perhead. Fig. 52).—Scales in15 —17 rows; nasal shieldentire, in contact with theprneocular ; ventral scales 145—160 ; subcaudals 41—50. Colour brownish to dark olive on the Imck, often yellow orsalmon-red on the sides ; belly yellowish or greyish-olive. Total length, 1,010 millimetres ; tail 1(30. Habitat: Xew South Wales, Southern Austraha, Tasmania. (2) D. coronata.—Scales in 15 rows ; 188—151 ventrals ; 88—51
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Keywords: ., bookcentury1900, bookdecade1900, booksubject, booksubjectserpents
