GENUS XVI MEDUSA
Fig.1. Medusa cruciata.
Fig.2. Medusa aurita. The Aurited Medusa.
Fig.3. Medusa capillata. The Capillated Medusa.
Fig.4. Medusa piliaris. The Cap-like Medusa.
Fig.5. Medusa marsupialis. The Purse Medusa.
Fig.6. Medusa velella. The Veil or Bonnet Medusa.
Fig.7. Medusa fulva. The Brown Medusa.
Fig.8. Medusa tuberculata. The Tuberculated Medusa.
Fig.9. Medusa undosa. The Waved Medusa.
Fig.10. Medusa ovata. The Oval-shaped Medusa.
Fig.11,12. Medusa globosa. The Globose Medusa.

Date 1783-1788
Source http://www.biodiversitylibrary.org/page/29389748
Author James Barbut
Full title The genera vermium exemplified by various specimens of the animals contained in the orders of the Intestina et Mollusca Linnaei : drawn from nature / by James Barbut.
Source: https://commons.wikimedia.org/wiki/File:The_genera_vermium_exemplified_by_various_specimens_of_the_animals_contained_in_the_orders_of_the_Intestina_et_Mollusca_Linnaei_(Tab._9)_(7514320544).jpg

Fig.1. Medusa cruciata = Laodicea undulata

Fig.2. Medusa aurita = moon jelly (Aurelia aurita)
The common jellyfish, moon jellyfish, moon jelly, or saucer jelly (Aurelia aurita) is a widely studied species of the genus Aurelia. The moon jellyfish is translucent and can be recognized by its four horseshoe-shaped gonads, easily seen through the top of the bell. Aurelia aurita is found along the eastern Atlantic coast of Northern Europe and the western Atlantic coast of North America.

Fig.3. Medusa capillata lion's mane jellyfish (Cyanea capillata)
The lion's mane jellyfish (Cyanea capillata), also known as the giant jellyfish or the hair jelly, is the largest known species of jellyfish. Its range is confined to cold, boreal waters of the Arctic, northern Atlantic, and northern Pacific Oceans.

Fig.4. Medusa piliaris (?)
Poolry known.

Fig.5. Medusa marsupialis = warty sea wasp (Carybdea marsupialis)
The sea wasp or warty sea wasp (Carybdea marsupialis) is a mildly venomous species of cnidarian, in the small family Carybdeidae within the class Cubozoa.

Fig.6. Medusa velella = sea raft jellyfish (Velella velella)
The sea raft, by-the-wind sailor, purple sail, little sail, or simply Velella (Velella velella) is a cosmopolitan species of free-floating hydrozoans that live on the surface of the open ocean. Velella velella lives in warm and temperate waters in all the world's oceans.

Fig.7. Medusa fulva = Cyanea fulva (?)

Fig.8. Medusa tuberculata = fried egg jellyfish (Cotylorhiza tuberculata)
The Mediterranean jelly or fried egg jellyfish (Cotylorhiza tuberculata) is a species of jellyfish commonly found in the Mediterranean Sea, Aegean Sea and Adriatic Sea.

Fig.9. Medusa undosa = Undosa undulata (?)

Fig.10. Medusa ovata = Beroe ovata
Beroe ovata is a comb jelly in the family Beroidae. It is found in the South Atlantic Ocean and the Mediterranean Sea and has been introduced into the Black Sea, the Aegean Sea, the Sea of Azov and the Caspian Sea.

Fig.11,12. Medusa globosa = Cunina globosa (?)