HUERIA 



113 



on neck; a narrow three-armed spot on occipital region; throat 

 dirty whitish; anterior part of ventral surface mottled with 

 large, irregular mottlings, which grow more numerous through 

 middle and back part of body ; ventral surface of caudal region 

 almost black; head dark, similar to body. 



Measurements of Hurria rynchops (Schneider) . 



Total length 

 Snout to vent 

 Tail 



670 

 525 

 145 



Variation. — Stejneger gives the following limits of variation 

 in scale counts: Scale rows, 23 to 27; ventrals, 132 to 160; 

 subcaudals, 49 to 72. In thirty-three specimens I examined the 

 ventrals range from 140 to 165, the average being 157. In four 

 specimens there are more than 160, in two, less than 150. Sub- 

 caudals range from 51 to 68, the average being 58. Scale rows 

 around body vary between 23 and 27; only one specimen, the 

 largest examined, has 27 rows. The posterior labial in all the 

 specimens is small and scarcely distinguishable ; frequently the 

 anterior upper 1 oials are broken across the top, while the 

 posterior upper labials are broken across the bottom. 



The specimens \ ary considerably in markings, some being dull 

 lead color with dim darker marblings, while others are light 

 brown with distinct spots or bars. The markings in the young 

 are distinct. 



Table 19. — Measurements and scale counts of Hurria rynchops {Schneider.) 



No. 



602 

 606 

 507 

 509 

 610 

 612 

 615 

 518 

 520 

 621 

 522 

 523 

 529 

 630 



Locality. 



Bantayan . 



do .... 



...do .... 



do .... 



....do .... 

 ....do .... 

 ...do .... 

 ....do .... 

 ...do .... 

 ....do .... 

 ....do ---. 

 ...do .... 

 ....do ---- 

 ....do .... 



L. E. Griffin . 

 do 



....dj 



do 



do 



do 



do 



...do 



do 



do 



do 



do 



do 



do 



Sex. 



Manila I M. Ligaya . 



9 

 cT 



d 



? 

 cC 



cT 



9 



Ven- 

 trals. 



156 

 162 

 160 

 161 

 160 

 166 

 169 

 168 

 166 

 159 

 169 

 163 

 154 

 168 

 150 



Sub- 

 cau- 

 dals. 



60 

 60 

 68 

 64 



60 

 59 

 68 

 69 

 61 

 60 

 »61 

 61 

 66 



• Mutilated. 



