Sr. Luis E. La Rotta C. : 115 caddisflies (387530, 387551). 



Dr. R. S. Lawler: 1,404 insects (387280). 



Dr. John F. Lawrence: a beetle (387583). 



Dr. James D. Lazell: a crustacean (377416); 20 insects (387326). 



Dr. Harry G. Lee: 50+ snails & clams (282376). 



Dr. A. Scott Leiper: 300+ worms (300750). 



Dr. Rafael Lemaitre: 110 crustaceans (378451, 378463, 378464). 



Dr. Jay Leverone: 116 worms (382768). 



Dr. James T. List: a fossil (384147). 



Dr. Jean-Pierre Lorand: a mineral (386159). 



George Lucy: a fossil mastadon tooth (384182). 



John C. Ludlum: 2 clams (302669). 



Spencer R. Luke: 3 crustaceans (381701). 



Ron Lupton: a mineral (384576). 



William G. Lyons: a mollusk (363458). 



Howard A. MacCord: 245+ mollusks (282141). 



Amaro Macedo: 80 plants (382333, 383289, 383603, 384732). 



Dr. Andy S. Y. Mackie: 4 worms (382755). 



Dr. Norman MacLeod: 26 slides of fossils (385123). 



Dr. Rosalie F. Maddocks: 15 crustaceans (374082); 56 fossils (383452) 



Fred Magnusson: 3 minerals (386130). 



Lynne Maillet: 6 cordierite w/granitoids (382572). 



Dr. Zoran J. Maksimovic: 2 minerals (386139). 



Dr. J. Maldonado: 7 insects (387334). 



Dr. Royal H. Mapes: 7 fossils (383458). 



Dr. R. Marinez: 12 clams (383185). 



Sam Marshall: 143 misc. insects & arthropods (387312). 



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