ANATOMY AND SYSTEMATICS OF A NEW SPECIES FROM CHINA, AEGISTA-LAOYELIGENSIS (STYLOMMATOPHORA, BRADYBAENIDAE)

This paper describes a new species of pulmonate land snail, Aegista la oyelingensis, from Jilin Province, Northeastern China. The shell of th is gastropod is small, light brown, unbanded, and has a rough surface. Whorls number about 5.5 +/- 0.1; the last whorl is never keeled. Aegi sta laoyelingensis has a short epiphallus, but lacks a flagellum. This species has a unique pattern of fusion of the central nervous system, and there is variation in mantle pigmentation.