2. Barnacles of Southern Australia (Museum Victoria Australia)
Twelve pictures of barnacles found in Australia with species names.

3. Barnacles - Living on the edge (Wim van Egmond)
Beautiful pictures and good description of barnacles in literary expression.

4. Semibalanus balanoides (The Marine Life Information Network for Britain & Ireland)
Basic information on Semibalanus balanoides.

5. Balanus crenatus (The Marine Life Information Network for Britain & Ireland)
Detailed information especially on physical and chemical factors of sensitivity and recoverability ranks for Balanus crenatus.

6. Acorn barnacle - Semibalanus balanoides (ARKive - images of life on Earth)
Basic information on Semibalanus balanoides with several pictures.

7. Benthic Ecology and Nearshore (Oceanography Lab)
Several pictures of cyprids taken in the laboratory.

8. Rocky Shores (Raymond Seed)
Artistic pictures of rocky shores and creatures with text.

9. The Marine Fauna Gallery of Norway (Kare Telnes)
Mainly the pictures of intertidal species in Norway including jellyfish & star fish.

10. The writing of Charles Darwin on the Web (John van Wyhe)
Darwin, A monograph on the fossil Lepadididae, or, pedunculated Cirripedes of Great Britain. London, Palaeonthographical Society, 1851. Very scientific. Difficult to follow if you are not specialised in the field.

11. AboutDarwin.com
A website dedicated to the life and times of Charles Darwin. Very well organised and interesting. People interested in Charles Darwin should visit once.