23mm Unfortunately this critter was extremely active and refused to retract. The best shot I could get of the aperture is shown. Though I did get some pretty good shots of the live animal traveling across my ruler.
A Silver-bordered Fritillary at Durfee Hill Management Area.
A Leonard's Skipper at Durfee Hill Management Area.
American Toad? Fowlers. Unfortunately I didn't get a clear shot of the cranial ridge. Nice camo.