. The Annals and magazine of natural history; zoology, botany, and geology . rjs Adansonii of Schweigger, the Pentonyx,and more lately the SternothcBrus Adansonii of Dumeril and Bibron,described from a shell in the Paris Museum said to come from theCape de Verd, is only a half-grown specimen of this species, whichis the only Sternothcerus I have seen from Western Africa. The specimen in the British Museum from Sierra Leone, whichis described in the Catalogue of Shield Reptiles (p. 52) as Ster-nothcerus castaneus, appears to belong to this species. II. The head rather short and, broad ; the uj)
. The Annals and magazine of natural history; zoology, botany, and geology . rjs Adansonii of Schweigger, the Pentonyx,and more lately the SternothcBrus Adansonii of Dumeril and Bibron,described from a shell in the Paris Museum said to come from theCape de Verd, is only a half-grown specimen of this species, whichis the only Sternothcerus I have seen from Western Africa. The specimen in the British Museum from Sierra Leone, whichis described in the Catalogue of Shield Reptiles (p. 52) as Ster-nothcerus castaneus, appears to belong to this species. II. The head rather short and, broad ; the uj)per jaio truncated; thecroion covered with an oblong shield {or three smaller shields),with a number of smaller shields over the tymj)anuni, betweenthe hinder outer edge of the croivn-plate and the upper edgeof the large temporal shields. Notoa. Sternoth^rus subniger. S. castaneus, Dum. et Bibr. Erp. Gen. ii. p. 401, t. 20. f. depressed; jaws pale ; the upper surface of the fore legswith small scales, and a few rather larger ones on the inner Head of S. subniger. The specimen in the British Museum, which was received fromParis under the above name, and as coming from Madagascar, agreeswell with Dumeril and Bibrons description and figure; but they donot describe the small shields on the head, and especially say that thefrontal plate is much developed, and that there are no occipital , in our specimen the sutures of the occipital plates are well seen,and they are peculiar for being oblong and obliquely placed (so as toleave the sides of the occiput to be covered with small shields), insteadof being large and trigonal (as they are in the two other species) andcovering all the space on the head to the margin of the temporalshields. Dr. J. E. Gray on the Genus Stevnothserus. 169 III. Head elongate; vjjper jaw with a recurved crown, ivith amoderate beak; frontal, two long nasal, and two large pa-rietal plates.^ ^uus NIGER, DuTii.
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