16 Mil. L. A. LANTZ ON 



11. BoiGA TRiGOXATUM Hchiieid, 

 2 specimens : — 



Length of head and bodj' 510 480 mm. 



Length of tail 115 108 „ 



Number of supralabials 8/9, tlie 3rd, 4th, and 5th enterinp- 



Number of infralabials 11/12 [the orbit. 



2 + 1 + .3 

 Temporal shields 2 + 3 rrirrQ 



Number of rows of dorsal scales 21 



Number of ventral plates 222 221 



Number of pairs of iufracaudals ... 86 84 



12. Taphrometopon lineolatum Brandt. 



1 specimen. Length of head and body 790 mm. Length of tail 

 375 mm. 8 supvalabials, tlie 4th and 5th entering the orbit.. 

 11 infralabials. 2 + 1/2 + 3 temporal shields. 12 rows of dorsal 

 scales. 181 ventral plates. 121 pairs of infracaudals. 



13. Zamenis ruodorhachis Jan. 

 2 specimens : — 



Length of head and body 715 630 mm. 



Length oftail 265 230 „ 



Number of supralabials 9, the otli and 6th entering the 



Number of infralabials 10 [orbits 



Temporal shields 2 + 5 to 8 irregular ones. 



Number of rows of dorsal scales 19 



Number of ventral plates 227 226 



Number of pairs of iufracaudals ... 121 117 



These specimens have no red stripe along the back. 



14. Zamenis diadema Schleg. 

 4 specimens : — 



Length of head and body 870 830 825 770 mm. 



Lengthoftail 215 190 215 (140) „ 



Number of supralaf)ials 11/12 12'13 10/11 12/13 



Number of infralabials 1113 12 13/14 ■ 12 



Number of rows of dorsal scales ... 27 29 27 27 



Number of ventral plates 225 244 217 234 



Numberof pairs of iufracaudals ... 76 83 83 — • 



Behind the puefrontals a row of 3 accessory shields ; in one- 

 specimen the median one is fused with the right inter- 

 nasal. 3 [i^i) exceptionally 4 (j:^— ^j frenals. 2 prseociilars.. 

 Supralabials more oi- less separated from the loreals and entirely 

 separated from the orbit by a row of small shields, the first of 

 which may reach the postnasal ; there are 2 or 3 shields between 

 the suprala^bials and the loreals, 3 to 5 between the former and 

 the orbit, a,nd,ifollowing them, 2 or 3 postoculars. Temple 

 covered with small irregular shields. 



