Aquarium Neapolitanum, 



22. 



4. 



1. Aplysia camelus. 2. Notarchus neapolitanus. 



3. Gastropteron MecJcelii. 4. Pleurobranclius testudinarius. 



5. Umbrella mediterranea. 



C. Merculiano fee. 



Werner A Winter, impr. 



