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Show 1892.] THE LAND-MOLLUSCA OF THE PHILIPPINES. 453 11. HYPSELOSTYLA. Luzon, 2 : dactylus, Brod., nympha, Brod. Catanduanes, 1 : dactylus, Brod. Marinduque, 1 : nympha, Brod. Leyte, 1 : camelopardalis, Brod. Panay, 3 : ' fulgetrum, Brod., nobilis, Rve., pictor, Brod. Cebu, 1 : camelopardalis, Brod. Bohol, 2 : boholensis, Brod., camelopardalis, Brod. Busuanga, Palawan, and Balabac, 1 : satyrus, Brod. Characteristic of the central group, this subgenus just reaches Luzon and its southern attendant islands, but is entirely absent from Mindoro and Mindanao. Its appearance in Palawan and the Calamianes Islands is remarkable, no other subgenus being represented there. 12. CHRYSALIS. Mindoro, 5: aspersa, Grat., mindoroensis, Brod., chrysalidi-formis, Sby., electrica, Rve., antonii, Semp. Entirely peculiar to Mindoro. 13. PROCHILUS. Mindoro, 7 • fictilis, Brod., virgata, Jay, porracea, Jay, calobapta, Jon., dryas, Brod., larvata, Brod., sylvanoides, Semp. 2 Cuyos, 1: cuyoensis. Not found out of Mindoro and (possibly) the Cuyos Is. 14. PTYCHOSTYLA. Luban, 1: 3 cepoides, Lea. Peculiar to Luban; one species only known. 15. PFEIFFERIA. Luzon, 1 : micans, Pfr. Characteristics of the separate Islands. Babuyanes.-This group, which may at a remote time have been connected with Luzon, but now is separated from it by a deep 1 These three species from Panay, together with satyrus, form almost a group within a group, which is confined to Panay, the Calamianes, Palawan, and Balabac, in none of which islands do the more elongated Hypselostylcs occur. 2 There is no authority but Cuming's for assigning this sp. to the Cuyos Is.; but as it does not appear to have been discovered anywhere else, there is considerable probability that the locality may be correct. 3 Mollendorff, Nachr. mal. Gesell. xx. 1888, p. 65. A tablet in the Brit, Mus. has on the back, in Cuming's hand, " Island of Luban, leaves of trees." This locality had never been confirmed until one of von Mollendorff s collectors found the species living on Luban. Pfeiffer classified it as Stylodonta, Tryon as Nanina! Semper (Eeisen, II. iii. p. 181) was the first to regard the species as Cochlostyla. H e placed it in Calocochlea, suggesting, however, that a special group should be formed for-so remarkable a shell. |
