Nov. 51 



1923 J AMARAL NEW GENERA AND SPECIES OF SNAKES 99 



All the specimens were collected in 1918 by the excellent 

 travelling naturalist of Butantan, Dr. Fr. Assis Iglesias, in the 

 interior of the State of Piauhy, Brazil, near Fazenda Grande on 

 the right bank of the Gurgueia River, where they seem to be 

 abundant. 



Bothrops iglesiasi is closely allied to B. neuwiedii Wagler 

 which also has been found in the interior of the State of Piauhy 

 by Dr. Iglesias. It can be distinguished from B. neuwiedii by 

 the following characteristics. 



Living habits: This species, which is named in honor of Dr. 

 Iglesias, lives in rocky places and feeds on lizards. 



Bothrops pirajai sp. nov. 



Body and head broad and short; eye small; snout obtusely pointed, with 

 strong and slightly elevated canthus. Rostral as deep as broad; inter- 

 nasals very small, in contact behind the rostral; canthals twice as large as 

 the internasals; supraoculars relatively narrow, twice as long as broad, 

 separated one from the other by 7 series of scales; upper head scales small 

 and keeled; 2 praeoculars; 2 postoculars; 2/1 suboculars, separated from 

 the upper labials by one series of scales; 8 upper labials, 2d forming the 



