COCHLOSTYLA OF MINDORO PROVINCE 483 



and one from the west coast — which are here described and figured. 

 The following key will help to distinguish them: 



KEY TO THE SUBSPECIES OF COCHLOSTYLA (CHRYSALLIS) ELECTRICA 



Light fulgurations broad and protractively slanting electrica 



Light fulgurations narrow and retractively slanting. 



Periostracum very thin; shell ovate mangarina 



Periostracum thick; shell narrowly ovate bulalacaoana 



cochlostyla (chrysallis) electrica electrica (reeve) 



Plate 109, Figure 5 



1841. Bulinus mindoroensis var. k Broderip, Proc. Zool. Soc. London, 1840, pp. 



85-86. 

 1851. Bulimus electricus Reeve, Conchologia iconica, pi. 5, fig. 21. 

 1853. Bulimus electricus Pfeiffer, Monographia heliceorum viventium, vol. 3, 



p. 326. 

 1856. Bulimus electricus Pfeiffer, Malakozool. Blatter, vol. 2, p. 150. 



1859. Bulimus electricus Pfeiffer, Monographia heliceorum viventium, vol. 4, 



p. 389: in part. 



1860. Chrysallis electrica Martens, Albers, Die Heliceen, ed. 2, p. 179. 



1876. Bulimus electricus Pfeiffer, Monographia heliceorum viventium, vol. 7, 



p. 50; in part. 



1877. Cochlostyla electrica Semper, Reisen im Archipel der Philippinen, pt. 2, vol. 



3, p. 222; in part. 

 1887. Cochlostyla electrica Hidalgo, Journ. Conchyl., vol. 35, p. 174. 

 1892. Cochlostyla electrica Pilsbry, Man. Conch., ser. 2, vol. 8, pp. 51, 53-54 



(in part), pi. 15, fig. 4. 



1895. Helicostyla electrica Pilsbry, Man. Conch., ser. 2, vol. 9, p. 231. 



1896. Cochlostyla electrica? Elera, Catalogo sistematico de toda la fauna de Filipi- 



nas, vol. 3, p. 612; in part. 



1897. Cochlostyla electrica Hidalgo, Journ. Conchyl., vol. 44, pp. 254, 263, 268, 



281, 294, 330, 331, 341, 350. 



1898. Cochlostyla electrica M Ollendorff, Abh. Naturf. Ges. Gorlitz, vol. 22, p. 



147; in part. 

 1901. Cochlostyla electrica Hidalgo, Obras malacologicas, pt. 1, pp. 552-553; in 



part. 

 1914. Cochlostyla electrica Mollendorff, Kobelt, and Winter, Semper's Reisen 



im Archipel der Philippinen, vol. 10, pp. 339-340. 

 1932.- Cochlostyla (Chrysallis) electrica electrica Bartsch, Journ. Washington 



Acad. Sci., vol. 22, p. 340. 



"Shell somewhat elongately ovate, more ventricose in the middle, 

 spire acuminate, whorls six in number, rather flatly convex, columella 

 slightly twisted; livid red, epidermis rather thin, exhibiting very 

 irregular obliquely waved pale streaks, aperture whitish, peritreme 

 reddish brown. 



"Bulimus Mindoroensis, var. K, Broderip. 



"Hab. Puerto Galero, Island of Mindoro, Philippines (on the leaves 

 of trees) ; Cuming. 



