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Show 70 ON MOLLUSKS OF THE PERCY SLADEN EXPEDITION. [May 26, form; head broader, less than twice as long as broad ; scales the snout tri- to quinquecarinate, upper labials more numerous (6 or 7 to below centie of eye), scales on the body smaller (84 to 88 round the middle of the body), and the dorsals relatively smaller and passing more gradually into the laterals. The hind limb does not reach beyond the ear. Greyish or coppery brown above, with an ill-defined lighter vertebral line, which may be flanked on each side by a series of small blackish, oblique transverse spots ; belly pale golden, gular region bright yellow. millim. millim. Total length 172 Fore limb 23 Head 14 Hind limb 37 Width of head 8 Tibia 11 Body 43 Tail 115 Three female specimens. 2. POLYCHRUS ACUTIROSTRIS Spix. 3. LlOCEPHALUS CADUCUS Cope. 4. TROPIDURUS SPINULOSUS Cope. 5. HOPLOCERCUS SPINOSUS Fitz. 6. AMEIVA SURINAMENSIS Laur. 7. M A B U I A AURATA Schn. 8. M A B U I A FRENATA Cope. OPHIDI A. 9. LlOPHIS ALMADENSIS Waffl. o 10. APOSTOLEPIS ASSIMILIS Reinh. 2. Note on some Mollusks of the Family Bulimulidce from Matto Grosso. (Percy Sladen Expedition to Central Brazil.) By E D G A R A. SMITH, I.S.O., F.Z.S. [Received April 25, 1903.] Some specimens of BuldmuUdce, all of which are in perfect condition, have recently been presented to the British Museum by Mrs. Percy Sladen. They were collected at Corumba, Matto Grosso, by Mr. A. Robert, and two of the species are useful as coming from a locality different from that whence the specimens already in the Collection were obtained, and the third is of interest as being new to the Museum. BULIMULUS MONTIVAGUS d'Orbigny. Bidimuhts montivagus d'Orbigny; Pilsbry, Man. Conch, ser. 2, vol. xi. p. 90, pi. xi. figs. 29, 30, pi. xiv. figs. 14, 15; vol. xiv! p. 147. |