RETTILI 415) 
A single male specimen from Ogaden. Also a very young 
specimen from between the wells of Laffarugh and Aberiò. 
_I have named this species in honour of Prof. L. Vaillant, the 
lizard described being evidently very closely allied to his A. rwep- 
pelli, from Somali-land.' Thanks to his courtesy, I have been 
able to compare the specimen with one of the types (07) of 
A. rueppellu and I find it differs in having the body less elongate, 
the scales smaller, and no trace of a nuchal crest. 
6. Agama doriae, Bier. 
A single half-grown specimen from between the wells of 
Laffarugh and Aberio (Ogaden). 
This specimen is anomalous in having 12 upper labials on 
one side ; the other side shows the normal number (9). 
7. Eremias mucronata, Brayr. 
Three specimens from between the wells of Laffarugh and 
Aberio. 
Snakes 
8. 'Typhlops blanfordii, Bier. 
A single specimen from the Upper Ganale. 
9. Boodon lemniscatus, D. & B. 
A single young specimen from the Upper Ganale. Sc. 21 ; V. 
1Se Ox 42: 
10. Boodon lineatus, D. & B. 
A single young specimen from the Upper Ganale. Sc. 31; V. 
2h; C.. 58. 
ll. Zamenis brevis, sp. n. (Plate III, fig. 3). 
Snout obtuse, feebly projecting. Rostral once and a half as 
broad as deep, the portion visible from above measuring one 
