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Show 14 DR. J. ANDERSON ON MAMMALS, REPTILES, [Jan. 5, of the body, the highest number mentioned by Boulenger being and in the smaller of the two specimens there are six upper labials before the subocular on one side and seven on the other, the usual number of these shields being five. Genus PSAMMODROMUS, Fitzinger. 10. P S A M M O D R O M U S ALGIRUS, Linnaeus; Boulenger, loc. cit. p. 128. 1 2 ) Tlemgen, Province of Oran. Genus ACANTHODACTYLUS, Wiegmann. 11. A C A N T H O D A C T Y L U S BOSKIANUS, Daudin; Boulenger, loc. cit. p. 129. 1 6, Biskra; 1 <$ & 1 $, Tuggurt; 1 6 & 3 $, Duirat, Tunisia. The ventral plates in these specimens do not exceed 10, and the highest number of large keeled scales between the hind limbs is 11 ; but this occurs only in one specimen, all the others having 10 longitudinal rows. Five of the seven specimens have 23 femoral pores on each side, one 19, and the other 24. The longitudinal series of scales round the middle of the body vary from 30 to 36, the lowest number occurring in a specimen from Duirat. 12. ACANTHODACTYLUS SCUTELLATUS, Audouin; Boulenger, loc. cit. p. 130. 1 6 & 4 2» Tuggurt; 3 <$ & 2 $, Duirat, Tunisia. These specimens are all distinguished by acute snouts, denticulated ears, and by the dorsal and ventral scales merging the one into the other, these scales conjointly varying from 60 to 70 (Mr. Boulenger gives 61-74); the scales referable to the ventral region vary from 12 to 14, the latter number being dependent on the degree of development of the outermost series of scales, but in Mr. Boulenger's specimens the number rose to 18. The lowest number of femoral pores, 18, occurs in a female specimen from Tuggurt, whereas the highest number 26, is found in a male from Duirat, the range of femoral pores recorded by Mr. Boulenger being from 18 to 25. The three males from Duirat are reddish, with numerous black spots and indications of white ocelli on the sides, whereas the females from the same locality are uniformly reddish, with the white ocelli feebly visible, and the black spots only faintly traceable here and there. The Tuggurt specimens are olive-grey. In the male from this locality the black spots are more distinctly marked than in the females. 13. ACANTHODACTYLUS PARDALIS, Lichtenstein; Boulenger, loc. cit. p. 131. 3 c?, Aures Mountains, north of Biskra; 7 $ & 8 $, route between Biskra and Tuggurt; 3 d1 & 7 2 , Duirat, Tunisia.' |
