Mesalina balfouri (BLANFORD, 1881)
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Higher Taxa | Lacertidae, Eremiadinae, Sauria, Lacertoidea, Squamata (lizards) |
Subspecies | |
Common Names | |
Synonym | Eremias (Mesalina) balfouri BLANFORD 1881: 467 Eremias guttulata balfouri — NEUMANN 1905 Mesalina olivieri balfouri — HAAS 1951 Mesalina balfouri — ARNOLD 1986 Mesalina olivieri balfouri — SZCZERBAK 1989 Mesalina balfouri — RÖSLER & WRANIK 2000 Mesalina balfouri — RAZZETTI et al. 2011 |
Distribution | Yemen (Socotra Island, Darsa Island, Samha, Abd al-Kuri) Type locality: Socotra |
Reproduction | oviparous |
Types | Holotype: BMNH 81.7.22.8-11 |
Diagnosis | Diagnosis: The number of scales across midbody is 36 to 42; intermediate between those of typical form and Mesalina olivieri. Size is slightly larger than the typical form or any other species. Head is 1.5 times as long as broad. Nasals not very strongly swollen. The hindlimb reaches the collar or between the collar and the ear in males; the elbow, the axil, or the shoulder in females. Frontonasal as long as broad or a little broader than long; frontal shorter than its distance from the end of snout and nearly always in contact with first supraocular; interpari- etal longer than frontoparietals; occipital small to very small. Collar free and composed of 7 to 9 plates. Ventral plates in 26 to 28 transverse rows in males, 28 to 31 in fe- males. Preanal plate large in males, smaller in females, bordered by two semicircles of small plates. Femoral pores11 to 15 on each side. Gray or brown above, usually with two white streaks on each side. A series more or less confluent black spots, or black and white ocelli along each side of back on the inner side of the light streak; these markings, as well as the light streaks, sometimes obsolete (Blanford, 1881; Bütikofer, 2012, Yousefkhani et al. 2015). |
Comment | Synonymy: Boulenger (1887) synonymised this species with Mesalina guttulata. |
Etymology | Named after Sir Isaac Bayley Balfour (1853-1922), Professor of Botany and Regius Keeper of the Edinburgh Botanic Garden (1890-1922). |
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