TY - BOOK TI - On the visual organs in Lamellibranchiata UR - https://www.biodiversitylibrary.org/item/177476 PB - Academy of Natural Sciences of Philadelphia CY - Philadelphia PY - 1883 N1 - Proceedings of The Academy of Natural Sciences of Philadelphia ; 36. AU - Sharp, Benjamin, AU - University College, London. Library Services. KW - Bivalvia KW - Electronic books KW - Eye KW - Ophthalmology KW - Perception ER -