. Catalogue of the chelonians, rhynchocephalians, and crocodiles in the British Museum (Natural History). New ed. By George Albert Boulenger. Chelonia (Genus); Crocodiles; Rhynchocephalia. Shell of Hydrasph hitarii. Synopsis of tJie Species. I. Skin of upper surface of head divided into several small shields. A. Mental barbels large, •widening dis- tally, club-shaped; plastron yellow with large black spots 1. liilarii, p. 222. B. Mental barbels narrow. 1. Carapace with three tuberculatc ridges in the halfgrown : plastron with symmetrical black markings. 2. tuherosa, p. 223. 2. Carapace with a


. Catalogue of the chelonians, rhynchocephalians, and crocodiles in the British Museum (Natural History). New ed. By George Albert Boulenger. Chelonia (Genus); Crocodiles; Rhynchocephalia. Shell of Hydrasph hitarii. Synopsis of tJie Species. I. Skin of upper surface of head divided into several small shields. A. Mental barbels large, •widening dis- tally, club-shaped; plastron yellow with large black spots 1. liilarii, p. 222. B. Mental barbels narrow. 1. Carapace with three tuberculatc ridges in the halfgrown : plastron with symmetrical black markings. 2. tuherosa, p. 223. 2. Carapace with a single keel. Mental barbels as long as the diameter of the eye, black at the base ; head and neck with symmetrical black bands ; carapace pale brownish, vermiculatcd with black. 3. geoffroyana, p. 223. Mental barbels shorter than the diameter of the eye ; intergular shield shorter than its distance from the abdominals 4. (jlhha, p. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original British Museum (Natural History). Dept. of Zoology; Boulenger, George Albert, 1858-1937. London Printed by order of the Trustees


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Keywords: ., bookcentury1800, bookdecade1880, booksubjectcheloniagenus, bookye