Identifier: zoologyofegypt01ande (find matches)
Title: Zoology of Egypt
Year: 1898 (1890s)
Authors: Anderson, John, 1833-1900 Boulenger, George Albert, 1858-1937. Fishes of the Nile De Winton, William Edward
Subjects: Zoology
Publisher: London, B. Quaritch
Contributing Library: Harvard University, Museum of Comparative Zoology, Ernst Mayr Library
Digitizing Sponsor: Harvard University, Museum of Comparative Zoology, Ernst Mayr Library

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dly excluded from the frontal by thepraefrontal and supraocular, more or less in contact with the internasal or excludedfrom it; subocular absent (rarely present); two or three postoculars, the lowest incontact with the fourth labial; temporals 2 + 3 or 2 + 5; six upper labials, rarelyseven, the third generally enters the orbital margin or may be excluded from it by aseparated off portion of itself (subocular); sixth labial long and narrow, at the angleof the mouth ; anterior chin-shields in contact with four labials, broader, as long as, orsomewhat shorter than, the posterior pair, the latter widely separated by 2 or 3 scales.21 to 29 scales across the neck; 19 to 25 across the middle of the body. Ventrals183-228 ; anal 1; subcaudals 56-58. General colour of the upper surface (Egypt) moderately pale olive-brown, the skinbetween the scales almost black ; many of the scales towards the hinder part of thebody with their bases black and their tips paler than on the rest of the body, this
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OH <& o << NAJA NIGKICOLLIS. 323 feature being most marked on the tail; ventrals pale yellow, rather profusely punctu-lated with brown anteriorly, less so posteriorly; three black transverse bands on theunder surface of the neck, the first a little way behind the gape, separated from eachother by yellowish ventrals, the last band being rather obscure. This type of coloration, found in snakes from Assuan southwards to the Transvaal,has been indicated by Mr. Boulenger as var. mossambica. The var. pallida of thesame author is uniform brown above, yellowish beneath ; lower surface of the neckbrown in the adult; young with a broad black ring round the neck : it is seeminglydistinctive of Somaliland. There is still another variety of coloration whichMr. Boulenger has designated forma it/pica, and which is more or less characteristicof snakes from Gambia to the interior of E. Africa. He has described it thus :— Dark olive to black above ; lower surface of head and neck black ;

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