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Show 1892.] THE LAND-MOLLUSCA OF THE PHILIPPINES. 451 Evenly distributed over almost all the group, except where replaced by Axina (Cebu, Siquijor). One species (gonifera) is common to Luzon, Leyte, Samar, and Mindanao. A group within this group (Semper* seiner ece), consisting of cryptica,latitans, cretata, panaensis, and cineracea, occurs in the contiguous islands of Samar, Leyte, Surigao, Panaon, Bohol, and Mindanao, but not in Luzon. 5. HELICOSTYLA. Luzon, 14: curta, Sby., monticula, Sby., annulata, Sby., libata, Rve., mirabilis, Fer. (also in Alabat), montana, Semp., fenestrata, Sby., fumigata, Mts., balteata, Sby., sphserica, Sby., boettgeriana, Mollf., metaformis, Fer. (also in Alabat), 1 iloconensis, Sby., hindsi, Pfr. Marinduque, 1: mirabilis, Fer. Mindoro, 4 : orbitula, Sby., tenera, Sby., fulgens, Sby., hydro-phana, Sby. Cuyos, 1 : ignobilis, Sby. Tablos, 3: crossei, Hid., bruguieriana, Pfr., turbo, Pfr. Romblon, 2 : effusa, Pfr., bembicodes, Pfr. Sibuyan, 1 : effusa, Pfr. Cebu, 1 : 2 collodes, Pfr. [Bohol, 1: 3 metaformis, Fer.]. One of the few subgenera well represented in Mindoro in common with other islands. It occurs on the Tablas-Romblon-Sibuyan group, but is not recorded from any other of the central islands except Cebu (and collodes is a remarkably aberrant form), or from Leyte and Samar. The species are remarkably peculiar to the separate islands. 6. COCHLODRYAS. Mindoro, 1 : florida, Sby. Burias, 1: polychroa, Sby. A subgenus of very restricted and apparently broken distribution. Possibly ' Burias' may turn out to be incorrect. 7. EUDOXUS. Luzon, 1 ? : 4 chloroleuca, Mts. Catanduanes, 3 ? : * chloroleuca, Mts., leopardus, Pfr., bustoi, Hid. Mindanao, 6: smaragdina, Rve., straminea, Semp., segle, Brod., cumingi, Pfr., paradoxa, Semp., oviformis, Semp. 1 Given in error by Hidalgo from Mindanao: Semper especially records it as peculiar to Ylocos, a couple of provinces in N . Luzon. 2 Wrongly given by Hidalgo from Zamboanga, S. Mindanao. 3 The locality is due to Hidalgo, but he does not state his authority, and there can be little doubt that it is incorrect. Von Mollendorff, who collected in Bohol, does not mention it. 4 The classification of this species, and its assignment to Luzon, are matters of doubt. |
