176 Mr. N. Ros^ii on the Snakes in the 



89. Leptodira personata, Cope. 



90. Leptodira alhofasci, Lac?p. 



91. Leptodira annulata, L. 



92. Oxyrhopus petolariuSj L. 



93. O.ri/rJiopus trigeminus^ D. & B. 



94. Oxyrhopxis cloelia, Da Lid. 



95. Thamnodynastes JSattereri, ^lik. 

 Subcaudals 80. 



Brazil. 



90. Thamnodynastes punctatissinms J Wagl. 



97. Tomodon ocellatus, D. & B. 



98. Philodryas cestivus, Schleg. 

 Total length 1300 mm. 



99. Philodryas viridissimus, L. 



100. Philodryas Olfersii, Licht. 



101. Philodryas Schotti, Schleg, 



102. Trimerorhinus rhombeatus, L. 



103. CoslopeUis monspessulana^ Herm. 

 Algiers. 



Anisodon, gen. nov. 



Hypapophyses throughout the vertebral column, represented 

 on the posterior dorsal vertebrae by a well-developed crest, 

 projecting below the condyle. Solid maxillary teeth ante- 

 riorly small, increasing in size and followed by an interspace, 

 after which the teeth are very small ; the last two large and 

 grooved, situated below the posterior border of the eye. 

 Mandibular teeth unequal, the anterior largest and separated 

 from the rest by a short interspace. Head distinct from neck. 

 Snout pointed. Eye rather large. Body cylindrical. Tail 

 moderate. Scales smooth, in 17 rows. Subcaudals in 2 

 rows. 



Java. 



104. Anisodon LiUjeborgi, sp. n.* (PI. XI. fig. 3.) 



Rostral much broader than deep. Internasals as long as 

 broad, shorter than the pra3froutals. Nasal entire. Loreal 



* I take the liberty of uamiug this snake after the celebrated 

 Swedish zoologist Prof. W. Lilljeborg, who lias determined the old 

 collections of snakes in the Museum of Lund. 



