lymnaea luteolaの例文

例文

1. Earlier, other snails are also implicated in transmission of " Schistosoma nasale " as the first intermediate host and they include : " Lymnaea luteola " and " Lymnaea acuminata but experimental work of Dutt and Srivastava ( 1962 ) conclusively proved Indoplanorbis exustus as the sole intermediate host of S . nasale.