1. Department of Zoology, Denver Museum of Nature & Science, 2001 Colorado Blvd., Denver, CO 80205
2. School of Biological Sciences, University of Nebraska, Lincoln,NE 68588
3. Department of Anatomy and Zoology, Colorado State University, Campus Delivery 1617, Fort Collins, CO 80523
4. Laudier Histology, New York, NY 10025
5. Department of Zoology, University of Oklahoma, Norman, OK 73019
6. Division of Invertebrate Zoology, American Museum of Natural History, Central Park West at 79th St., New York, NY 10024