Encyclopaedia Britannica, 11th Edition, Volume 16, Slice 1, by Various 41902 [Subtitle: "L" to "Lamellibranchia"] [Link: http://www.gutenberg.org/4/1/9/0/41902 ] [Files: 41902.txt; 41902-8.txt; 41902-h.htm] Thanks to Marius Masi, Don Kretz and the Online Distributed Proofreading Team at http://www.pgdp.net David