OPHIDIA. 821 



The Tropidomtm junceus, Cantor, from Penang, the type of which is in the 

 British Museum, has one preocular reaching the upper sui-face of the head, and the 

 rostral prolonged backwards. It is quite distinct from this species. 



Tropidonotus quincunciatus, Schleg. 



Russell, Ind. Serp., vol. i, 1796, pi. xx, pi. xxviii & pi. xxxiii; vol. ii, 1801, pi. iii, f.g. 1^ juv., & 

 pis. xiv & xv« juv. 



Hydms piscator, Schneid., Hist. Nat. Amph., 1792, vol. i, p. 247. 



Hyclrus paliMris, Schneid., ibid., p. 249. 



Enhydrus piscator, Latr. Rept., 1801, vol. iv, p. 203. 



Enliydrm palustris, Latr. Rept., 1801, vol. iv, p. 205. 



MarsJi-Eydnts, Shaw, Geu. Zool., 1802, vol. iii, p. 569. 



Coluber anastomosahis, Daud., Rept., 1803, vol. vii, p. 140. 



Coluber bramimts, Daud., Rept., 1803, vol. vii, p. 176. 



Coluber umbratus, Daud., Rept., 1803, vol. vii, p. 144. 



Gohcber bnmneus, Hermann, Obs. Zool., 1804, p. 283. 



Coluber atratus, Hermann, Obs. Zool. 1804, p. 283. 



Natrix umbrata, Merr. Tentam, p. 119, 1820. 



l^atrix lugjihris, Merr. Tentam, p. 133, 1820. 



Natrix pi^cator, Merr. Tentam, 1820, p. 122. 



Natrix palustris, Merr. Tentam, 1826, p. 124. 



Coluber rectangulus, Gray, 111. Ind. Zool., vol. ii, 1830, plate Ixxxv, figs. 4-7. 



Coluber liippim, Reuss, Mus. Senck., 1834, p. 150, pl. ix, fig. 2. 



Coluber quincunciatus, Schleg., Phys. Serp., 1837, vol. i, p. 167 ; vol. ii, p. 307, pl. xii, figs. 4 and 5. 



Tropidonotus quincunciatus, Dum. & Bibr., Erp^t. Gdn., 1854, vol. vii, p. 592 ; GUnth., Cat. Colubr. 

 Sn. B. M., 1858, p. 64 ; id., Rept. B. Ind., 1864, p. 260 ; Steind., Raise Novara, 1867, p. 65 ,' 

 Jan & Sord., Icon. Gen. des Ophid., 1868, No. xxvii, pl. i, fig. i; Theobald, Journ. Linn. Soc, 

 1868, p. 46; id., Descr. Cat. Rept. B. Ind., 1876, p. 175, Stol., Journ. As. Sec, Bengal, 

 vol. xxxix, 1870, pp. 137, 141 and 190; id., op. cit., vol. xl, 1871, p. 431, pl. xxvi, fig. ], var. ; 

 id., 0j5. di!., vol. xlii, pp. 114 and 162; Blanfd., Journ. As. Soc, Bengal, vol. xxxix, 1870, 

 p. 371. 



Tropidonotus tytleri, Blyth, Journ. As. Soc, Bengal, vol. xxxii, 1863, p. 88. 



Tropidonotus striolatus, Theobald, Joui-n. As. Soc, Bengal, vol. xxxvii, 1868, pp. 53 and 55. 



Tropidonotus piscator , Jerd., Journ. As. Soc, Bengal, vol. xxii, 1853, p. 530. 



The larger specimen has spots arranged as in var. A. Giinth., but they become 

 obsolete about the posterior half of the body, which is uniform light ohve-brown. 

 The angles of the ventrals have blackish margins. The lateral dots instead of being 

 scarlet are light yeUow. The lesser example belongs to the same type of colouring, 

 but the black spots are indistinct and the yellow ones rather prominent. The lateral 

 margins of the sub-caudals are black. 



Length of lesser specimen 30'33 inches ; head 0"38; tail 950, 

 larger „ 36- „ „ O'SS ; „ 9-75. 



Ventrals in the former 149 and sub-caudals 89. 



„ „ latter 136 „ „ 89. ^ 



They both possess nineteen rows of scales. 



These specimens were obtained at Mandalay and Bham6. 



