CNEMIDOPllORUS ARUBENSIS. l-'^^' 



to the tail, but moreover they show the blue ocelli on the 

 sides and the hind limbs. Both these specimens are females. 

 Eight specimens were captured in Aruba. (Native name : 

 blausana). 



11. Gymno phi kalmus quadrilineatiis , L. 

 Many specimens from Cura9ao. 



Serpentes. 



1. Dromicus a7itillensis, Schl. 

 One specimen from Cura9ao. 



2. Lep to phis liocercus , Neuw. 

 One specimen from Surinam. 



3. Dip sas annul a ta^ L. 

 Two specimens from Aruba. 



4. Crotalus horridus , var. u7iicolor, v. L. d. J. 



One specimen of a rattle-snake from Aruba has three 

 pairs of large scales behind the rostral, 166 ventrals , 

 one undivided anal and 22 caudals , the first of which is 

 divided in two. It shows no sign of streaks behind the 

 eye , nor any marking whatever. It is on the back of a 

 uniform gray color, somewhat lighter on the ventrals; the 

 very short tail is darker than the body, and its lower part 

 of a bluish black color. This specimen measures about 62 cm. 



On examining the rattle-snakes in the collection of the 

 Leyden Museum, I found a specimen without indication 

 of locality , presented to our Museum by the Royal Zoolo- 

 gical Society »Natura Artis Magistra" at Amsterdam, 

 which specimen agrees very well with the specimen from 

 Aruba. It is of nearly the same length , of the same 

 color without any marking , and shows also the bluish 

 black lower surface of the end of the tail. The tail of this 



Notes from, the Leyden Miuseuxu, "Vol. IX. 



