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Show 1904.] AND BURMESE LAND-SHELLS. 445 columellari obliquo, superne breviter reflexo. Diam. maj. 9, min. 8, alt. 4 mm. Hab. ad latus occidentale fluminis Irawadi in pago Bassein provincial Pegu Bunnannica; (IF. T. B.). Varietas, anfractibus 5 munita, et spira aliquanto elevatiuscula prope portum Akyab in provincia Arakan invenitur. This is near M. hypoleuca Blf. from Upper Pegu, best distinguished by being narrowly perforate and more depressed, and by the complete want of sculpture. M acrochlamys c u r v il a b r is , sp. nov. (Plate XXY. fig. 13.) Testa perforata, depressa, glabra, polita, vix striatula, fusca ; spira parum elevata, sutura bene impressa ; anfr. 54, convexi, regulariter crescentes, ultimus versus aperturam aliquantuhim descendens, ad peripheriam rotundatus, subtus plano-convexus ; apertura obliqua, late lunata ; peristoma obtusum, intus albo-labiatum, sinuosum, margine supero vix arcuato, externo sinuato, basali valde arcuato, columellari obliquo, vix reflexius-cido. Diam. maj. 5*5, min. 5, alt. 2 mm. Hab. in montibus Aracanensibus ad latus occidentale pagi Burmannici Prome (IF. T. B.). This is almost a miniature of the Tenasserim M. aspides Bs. M acrochlamy s spreta, sp. nov. (Plate XXY. fig. 12.) Testa minute et subobtecte perforata, depressa, tenuis, nitida, polita, lineis impressis spiralibus sub lente undique ornata, pallide castanea, subtus circa perforationem albescens; spira parum elevata, conoidalis, sutura vix impressa ; anfr. 5, convexi, ultimus majusculus, acl peripheriam rotundatus, subtus con-vexus; apertura obliqua, subovato-lunaris ; peristoma tenue, rectum, margine columellari obliquo, leviter reflexo. Diam. maj. 8, min. 7, alt. o'5 mm. Hab. ad Thamandewa in pago Bassein et in aliis partibus provincia! Pegu Burmannicse (W. T. B.). Near M. subpetasus Nevill and M. noxia, but easily recognised by the spiral striation. M acrochlamy s patens, sp. nov. (Plate XXY. fig. 15.) Testa anguste sed perspective umbilicata, conoideo-depressa, sub-lenticularis, nitida, polita, lineis impressis spiralibus haud crebris spatiis incequalibus discretis undique sub lente ornata, fubo-fusca ; spira conoidea, suturaparum impressa ; anfr. 4|, convexiusculi, ultimus paullo latior, ad peripheriam obtuse angulatus, subtus convexus, circum umbilicum compressus; apertura diagonalis, fere trapezoidalis, subsecuriformis ; peristoma tenue, rectum, margine columellari obliquo, triangulatim reflexo. Diam. maj. 7, min. 6, alt. 3-5 mm. Hab. in Pegu; circa Thayet Myo, Bassein, &c. (IF. T. B.). |