1. Department of Biology, Hofstra University, 1000 Hempstead Turnpike, Hempstead, NY 11549 (USA)
2. Department of Biology, Hofstra University, 1000 Hempstead Turnpike, Hempstead, NY 11549 (USA); and Division of Invertebrate Zoology, American Museum of Natural History, 200 Central Park West, New York, NY, 10024 (USA) cboyko@amnh.org