L. G. ANDERSSON, REPTILES AND BATRACHIANS ETC. ö 



Boa inadag«iscariensis. Dum. Bibr. 



BouLGR., Cat. Sn. I, p. 120. 



One specimen from S :te Marie de Marovoay, f ound in the 

 forest during the dry season, ^7» 1906. This snake is rather 

 rare in the träets explored; the natives call it »do ». 



When measured just after it was killed, the specimen was 

 found to be two metres in length, but Mr. Kaudern says that 

 the species may be considerably larger and as much as three 

 metres and more. 



V. 234, A. 1., Subc. ff, Scales in 66 rows. 



Boa dumerilii Jan. 



BouLGR., Cat. Sn. I, p. 120. 



There is no specimen of this species in the collection, but 

 Mr. Kaudern speaks about a specimen of middling size that 

 was kept by the natives in order to catch mice. In the house 

 at Andranolava, where he Ii ved some time, the snake climbed 

 among the beams of the ceiling, hunting for the numerous small 

 rodents. 



Polyodontophis torquatus Boulgr. 



BouLGR., Cat. Sn. I, p. 183; Jan, Iconogr. Gen. ophid. Liv. 

 16, Pl III, fig. 1, 2. 



One specimen, 25 km. south of S:te Marie de Marovoay, 

 on the ground in the forest, ^3/^^ 1906. Total length 400 mm, 

 tail 100 mm. V. 168, A {, Subc. t|. 



The specimen corresponds in colour very well with P. tor- 

 quatus but in some respects with P. rhodogaster Schl. too, hav- 

 ing not only a crossband behind the parietals but also the whole 

 upper part of head darker than the body, as in Jan's figure 

 N:o 2 of P. rhodogaster, besides which the f rontal is considerably 

 shorter than the parietals (viz. 3,2 and 5 mm), according to 

 Boulenger's catalogue an important rhodogaster-chdbYSiCteY . 

 Thus, it seems to me, in accordance with the opinion of several 

 writers, as if the two forms can be regarded as two varieties of 

 colour of the same species rather than as two distinct species. 



Dromicodryas bernieri Dum. & Bibr. 



Boulgr., Cat. S71. I, p. 189; Boettger, Abh. Senck. Ges. 

 XII, 1881, p. 443; Jan, Icon. Gén. 31, Pl IV . fig. 1. 



One specimen from S:te Marie de Marovoay. V. 222, 

 A \, Subc. TTT , Scales in 19 rows. 



