1. Leg of house fly, Musca domestica.\r\n2. Bird feather whole mount.\r\n3. Wing scales of butterfly\r\n4. Human blood smear\r\n5. Intestine of rabbit transversal section\r\n6. Lung of cat transversal section\r\n7. Mixed zoological and botanical plankton\r\n8. Pollen grains of different plants\r\n9. Foliate leaf with netted venations\r\n10. Large cells, marrow of edelberry