2. TYPHLOPS. 13 
40 to 42 scales round the middle of the 
body, the diameter of which is 25 to 30 
OO eee 68, schlegelii, p. 44. 
28 to 30 scales round the middle of the 
body, the diameter of which is 35 to 50 
times in the total ................-. 69. delalandii, p. 45. 
34 to 40 scales round the middle of the 
body, the diameter of which is 42 to 46 
times in the total ...........6sseees 70. dinga, p. 45. 
8. The portion of the rostral visible from below as long as 
broad ; 30 to 38 scales round the body. 
Preocular two thirds the width of the 
ocular, partly covering the eye........ 71. humbo, p. 46. 
Preocular not two thirds the width of the 
IE isa Salsa, 0.8 ws! «ela wipes crave ale 72. mucruso, p. 46. 
6, Nasal cleft extending from the lower lateral border of the 
rostral to the nasal; 28 to 30 scales round the body. 
73. anomalus, p. 47. 
2. 26 scales round the middle of the body; snout strongly 
MLSS a Veg tack shinies ts 74. schinzi, p. 47. 
3. 18 to 24 scales round the body. 
a. Eye distinguishable. 
a. Diameter of body less than 50 times in the total length. 
24 scales round the body; rostral with 
obtusely angular edge .............. 75. curvirostris, p. 48. 
22 scales round the body; rostral with 
a Ws dos Dee wean oan es oe 76. bicolor, p. 48. 
20 scales round the body ; snout trilobate.. 77. bituberculatus, 
[p. 48. 
8B. Diameter of body 50 times or more in the total length. 
* Tail not twice as long as broad, 
22 or 24 scales round the body; tail not ) 
longer than broad ................-: 78. unguirostris, p. 49. } 
18 scales round the body ; tail about once 
and a half as long as broad .......... 79. affinis, p. 49. 
20 scales round the body; tail not much 
longer than broad ...........0.e+e0: 80. arenarius,.p. 49. 
** Tail twice to twice and a half as long as broad; 
20 or 22 scales round the body. 
Rostral extending to between the eyes.... 81. multilineatus, p. 50. 
Rostral not extending to between the 
