7 pm, Tuesday, Sept. 11, CU Museum of Natural History. Having collected sea snakes in the Philippines, Thailand & Costa Rica Dr. Anthony Tu will discuss snake venom in detail; how much is produced, toxicity and immunological properties and will look at local and systemic effects of venom, containing both coagulant and anticoagulant. 6 p.m., Vertebrate Zoology Collections Manager Mariko Kageyama will offer a pre-lecture snake collection tour. Tour for museum members only