30 



Lacertidse. 



from the southernmost extremity of the range (Gallaland and East 

 Africa) ; as, from my own counts and those of Sternfeld, the pores 

 number 8 to 10, 9 being the most frequent number, I place them 

 provisionally under the var. revoili. 



Forma typica {L. longicaudata, Eeuss, samharica, Blanf., sturti, 

 Blanf.). 9 to 14 femoral pores on each side, usually 10 to 12 ; 31 to 

 41 gular scales ; 23 to 27 lamellar scales under the fourth toe. — 

 Sinaitic Peninsula, African Coast of the Eed Sea, Abyssinia, Senegal, 

 Northern Nigeria and Lake Chad district. 



Var. andersonii, Blgr. {L. longicaudata, And. 1901). 14 to 16 

 femoral pores on each side ; 43 to 47 gular scales ; 26 to 32 lamellar 

 scales under the fourth toe. — S.W. Arabia. 



Var. revoili, Vaill. {L. doriee, Bedr.). 5 to 10 femoral pores on each 

 side, usually 6 to 9 ; 28 to 48 gular scales ; 22 to 27 lamellar scales 

 under the fourth toe. — Inland districts of Eritrea, Eastern Sudan, 

 Abyssinia, Somaliland, Gallaland, British East Africa. 



These definitions will probably have to be modified when a larger 

 number of specimens have been examined, and it is possible that the 

 division into varieties, as here proposed, will have to be abandoned. 

 But they express correctly, I think, the present state of our knowledge. 



Particulars of Specimens Examined. 

 Forma typica. 

 9 Durrur, N. of Suakin 



(J Suakin 



cJ Sinkat, nr. Suakin . 



? Shendi, Egypt. Sudan . 



<J Samhar Coast, Eritrea 

 (type of L. samharica) . 



