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Aspidura drummondhayi BOULENGER, 1904

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Higher TaxaColubridae (Natricinae), Colubroidea, Caenophidia, Alethinophidia, Serpentes, Squamata (snakes)
Common NamesE: Drummond-Hay's Rough-sided Snake 
SynonymAspidura drummond-hayi BOULENGER 1904
Aspidura drummondhayi — WALL 1921: 213
Aspidura drummond-hayi — SMITH 1943: 338
Aspidura drummondhayi — GANS & FETCHO 1982: 301
Aspidura drummondhayi — DAS 1996: 54
Aspidura drummondhayi — WALLACH et al. 2014: 59 
DistributionSri Lanka

Type locality: Balangoda district, Ceylon  
TypesSyntypes: BMNH 1946.1.12.45 and 1946.1.12.46, a 202 mm male and a 223 mm female (H.M. Drummond-Hay, March-May 1903). 
DiagnosisDiagnosis: This species of Aspidura is characterized by the absence of a preocular scale; a prefrontal scale that forms the entire anterior border of the orbit and contacts supralabials two, three and four; having a lower postocular longer than the upper; both postoculars in contact with the parietal scale; and the anterior pair of the two pairs of chin shields one to two times the length of the posterior pair. Fifteen dorsal scale rows are present along the body. The ventral counts are 113 to 119 and the subcaudal ones 18 to 26. Either all the subcaudals are divided, or only the posterior subcaudals are divided. Snout-vent lengths are 175 to 200 mm. tail lengths are 22 to 31 mm. midbody diameters are 6.0 to 7.0 mm (Table 2). Fig. 2 compares the major counts, Fig. 3 the body proportions and Figs. 6, 9, and 11 illustrate specimens. (Gans & Fetcho 1982) 
EtymologyNamed after Henry Maurice Drummond-Hay (1869-1932), a planter who lived in Ceylon (Sri Lanka) and devoted his time to herpetology and other areas of natural history. Not to be confused with his father, Colonel Henry Maurice Drummond-Hay (1814-1896). 
  • Beolens, Bo; Michael Watkins, and Michael Grayson 2011. The Eponym Dictionary of Reptiles. Johns Hopkins University Press, Baltimore, USA - get paper here
  • Blackburn, D.G. 1993. STANDARDIZED CRITERIA FOR THE RECOGNITION OF REPRODUCTIVE MODES IN SQUAMATE REPTILES. Herpetologica 49 (1): 118-132 - get paper here
  • Boulenger, G.A. 1904. Description of a new snake. Spol. Zeyl. 2: 95
  • Gans C; Fetcho J R 1982. The Sri Lankan genus Aspidura (Serpentes, Reptilia, Colubridae). Annals of the Carnegie Museum 51 (14): 271-316 - get paper here
  • Smith, M.A. 1943. The Fauna of British India, Ceylon and Burma, Including the Whole of the Indo-Chinese Sub-Region. Reptilia and Amphibia. 3 (Serpentes). Taylor and Francis, London. 583 pp.
  • Wall, FRANK 1921. Ophidia Taprobanica or the Snakes of Ceylon. Colombo Mus. (H. R. Cottle, govt. printer), Colombo. xxii, 581 pages - get paper here
  • Wallach, Van; Kenneth L. Williams , Jeff Boundy 2014. Snakes of the World: A Catalogue of Living and Extinct Species. [type catalogue] Taylor and Francis, CRC Press, 1237 pp.
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