ARKIV FÖR ZOOLOGI. 



BAND 7. N:o 7. 



Reptiles and Batracliiaiis from tlie north-west 



of Madagascar collected by V. Kaudern 



1906-1907. 



By 

 LARS QABRIEL ANDERSSON. 



Communicated October 12th 1910 by Hj. Théel and E. Lönnberg. 



D:r. Kaudern gives the following information concerning 

 the places, mentioned in the following as habitat of the different 

 species. 



Majunga, the start ing point of his journey, is a little town 

 on the northwest coast of Madagascar, situated on about 15° 

 s. lat., on the bay of Bombetoke. The country surrounding this 

 place is dry, sandy, and hilly, the ground becoming damper 

 nearer to the coast, where a large mangrove-marsh extends 

 along the shore of the bay. Here and there the country was 

 so low that the ground was covered with a thin salt crust, for- 

 med at high water. The neighbourhood was rather poor in 

 vertebrates, the collecting of which was the chief object of his 

 journey, and so his stay here only lasted a week and a half in 

 July 1906. 



Proceeding the Betsiboka river, which falls into Bombe- 

 toke bay, he continued his journey further up the country to 

 the small town of Marovoay, inhabited b}" natives, and situated 

 at the mouth of a river of the same name, which here falls into 

 the Betsiboka. S:te Marie de Marovoay , frequently mentioned 

 in the following text, is a farm one day's journey from this town, 

 and was Dr. Kaudern 's headquarters during the whole of the 

 year. It is situated on the north slope of the Ankarafantsika 

 plateau, surrounded from east to west by a dry grass-plain, here 



ÄrJciv för zoologi. Band 7. K:o 7. 1 



