107 
Yellowisli above, with a brown or blackish undulous band; a lateral 
series of spots; upper surface of head brown or blackish; a dark 
streak behind the eye; upper lip yellowish; lower parts whitish. 
Fig. 2. Head, maxillary and mandible of Oxyrhopus undulatm. 
Total length 465 Mm.; tail 70 Mm. 
Two specimens, collected by Prof. Eeinhardt and Prof. E. War- 
ming. 
19. Oxyrhopus trigeminus D. & B. 
Boulenger, Catal. III, p. 104. 
Sq. 19; V. 189—205; A. 1; Sc. 74--81. 
Totallængde 1040 Mm.; Halens Længde 210 Mm. 
5 Eksemplarer. 
20. Thamnodyyiastes nattereri Mik. 
Boulenger, Catal. III, p. 116. 
Thamnodynastes Nattereri (Mikan). L. S. H. 
Sq. 19; V. 142—146; A. 1/1; Sc. 68—76. 
Totallængde 585 Mm.; Halens Længde 135 Mm. 
3 Eksemplarer. 
21. Pseudahlabes agassizii Jan. 
Boulenger, Catal. II, p. 259 {Contia agassizii). 
Boulenger, Catal. III, p. 126. 
