TYPHLOPS 63 



Measurements of Typhlops siduensis Taylor. 



mm. 



Total length 340 



Tail 13 



Width of tail 5.5 



Width of body 7.4 



Width of head 5.5 



Remarks. — The type was found in a rotten log only about 4 

 meters from high-tide mark on the beach. Mucli effort was 

 made to obtain other specimens on Bubuan Island, but none 

 was found. This species seems to be most closely related to 

 Typhlops multilineatus and T. olivaceus. From T. multilineatiis 

 it differs in having the rostral shorter, the nasal completely di- 

 vided, the diameter of the body contained in the total length forty 

 times (in T. multilineatus fifty to sixty times), and 22 instead of 

 20 scale rows around the middle of the body. The prefrontal 

 is larger, the frontal smaller, and the markings are not arranged 

 in longitudinal lines. From T. olivcweus it differs in having a 

 complete division of the nasal, the preocular much narrower 

 than the ocular, and the rostral barely half the width of the 

 head. The color is also different from T. olivaceus. 



TYPHLOPS LONGICAUDA Taylor 



Plate 1 



Typhlops longicauda Taylor, Philip. Journ. Sci. 14 (1919) 108. 



Description of species. — (P'rom the type. No. R 99, E. H. Tajdor 

 collection; collected at Bunawan, Agusan, Mindanao, July 15, 

 1913, by E.. H. Taylor.) Head rather broader than neck, rather 

 rounding in outline; snout with a sharp horizontal cutting edge, 

 moderately projecting, not or but scarcely hooked in profile ; 

 rostral not as wide below as above, somewhat narrowed between 

 nostrils, failing to reach level of eye by more than half the 

 depth of prefrontal ; latter wider than deep, larger than frontal, 

 the suture formed with it larger than that with rostral which 

 is only about one-fifth its width ; frontal about as wide as deep, 

 equal to parietals ; parietals each divided into 2 scales, which are 

 about the size of the body scales and scarcely differentiated from 

 them, the second one, lying somewhat behind ocular, largest; 

 interparietal somewhat larger than frontal ; supraocular diag- 

 onal, the lower point reaching anterior level of eye but failing 

 to reach horizontal level by its distance from nasal; 2 nasals, 

 the anterior very small; the suture dividing them arises from 



