Encyclopaedia Britannica, 11th Edition, "L" to "Lamellibranchia" / Volume 16, Slice 1
Read Encyclopaedia Britannica, 11th Edition, "L" to "Lamellibranchia" / Volume 16, Slice 1 online, free: 4 chapters, public domain, on Papyras.
Read Encyclopaedia Britannica, 11th Edition, "L" to "Lamellibranchia" / Volume 16, Slice 1 online, free: 4 chapters, public domain, on Papyras.