Cover photographs:
Left column
- Top: Anolis lineatopus Gray, 1840, adhesive pads, light micrograph. Photo by L. Alibardi.
- Middle: Ranodon sibiricus Kessler, 1866, mucous dermal gland, light micrograph. Photo by T. N. Dujsebayeva.
- Bottom: Leptodactylus insularum Barbour, 1906, mature dermal serous and mucous glands, transmission electron micrograph. Photo by G. Delfino.
- Top: Paralaudakia caucasia (Eichwald, 1831), bristled skin sense organ, light micrograph. Photo by L. K. Iohanssen.
- Middle: Anolis lineatopus Gray, 1840, forming setae of the adhesive pad, transmission electron micrograph. Photo by L. Alibardi.
- Bottom: Pachydactylus serval Werner, 1910, hairy skin sense organ, scanning electron micrograph.Photo by A. M. Bauer.
Cover design by T. Bannikov.
Published October 27, 2021