Introduction. Shell structure and termonology ; The protoconch ; The operculum ; The radula ; The egg capsules ; Penes, other anatomy, DNA and phylogeny ; The intritacalx ; Geographical distribution ; ...
ON the shore of the Great Bitter Lake in the neighbourhood of Fayid, the most conspicuous member of the molluscan fauna is a gastropod which, according to the authorities at the British Museum ...
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