FROM SURINAM. 89 



specimens from the Upper-Saramacca, and two specimens 

 from Hauie by the Goniui-expeditiou. Mr. Versteeg adds in 

 a note: the vernacular name is »Wakak" ; whilst Dr. de Kock 

 mentions that his specimen captured on Nov. 17 th '02 is 

 regarded as venomous by the natives, who call it »Kwakwa- 

 sneki". 



36. Urocentron azureum Lin. 



One specimen from Paramaribo, captured by Dr. van 

 Cappelle. 



37. Tupinambis teguixin Lin. 



One specimen from Fallawatra by Dr. van Cappelle, and 

 another collected by the Gonini-expedition. 



38. Centropyx calcaratus Spix. 



Two female specimens by the Saramacca-expedition, and 

 another young female collected near the Gonini on Aug. 

 16 th '03. This last specimen with a broad median yellowish 

 band, which runs from the tip of the snout over the head 

 till half-way the back, and with a light line, running on 

 each side from the eye down to the sacral region. 



39. Ameiva surinamensis Laur. 



Specimens from Paramaribo and the Upper-Nickeri by 

 Dr. van Cappelle, specimens from Maripaston by the Sara- 

 macca-expedition, and collected by the Gonini-expedition 

 on Oct. 10th '03 near the Gonini. 



40. Cnemidophorus murinus Laur. 



One specimen from the Gonini, collected Oct. 9 th '03. 



41. Arthrosaura Versteegii, n. sp. (Plate 7, figs. 5 and 6). 

 Head somewhat depressed, snout short not very obtuse, 



body rather elongate. Nostril pierced in the middle of a 

 single nasal, A broad frontonasal, two pentagonal pre- 

 frontals, forming a short suture; frontal hexagonal, some- 

 what larger than its distance from the tip of the snout, 

 one and a half as long as broad ; frontoparietals penta- 

 gonal with one side in contact; a pair of long parietals 

 separated by an equally long but narrower interparietal, 

 these three shields evenly truncate at the posterior end, 

 the inner side of the parietals straight, the outer rounded. 



Notes from tlie Leyden Museum , Vol. XXV. 



