286 Miscellaneous. 



2nd Section. — Pulmograda with naked ocelli. 

 1st Family. — Vessels branched. 



7th Genus. — Willsia (new sp. W. stellata, founded on a beautiful 

 little Medusa with six starlike ovaries and branched vessels). It 

 is abundant in the British Channel and on the west coast of 

 Scotland. 

 2nd Family. — Vessels simple ; ovaries convoluted and lining the 

 pedunculated stomach. 

 8th Genus. — Turris (Lesson ; Eirene, Escholtz), 2 sp. T. digitale 

 of O. Fabricius (Zetland) and T. neglecta, Lesson, the Cyanea 

 coccinea of Davis; British Channel. Very highly organized 

 Medusae, closely approaching Actiniae. 

 9th Genus. — Saphenia (Escholtz). 1 sp. S. dinema, Peron. 



Devon. Zetland. 

 10th Genus. — Oceania (Peron — Tiara, Lesson). 4 sp., one being 

 the " Geryonia octona " of Fleming ; the other three are new. 

 3rd Family. — Vessels simple ; ovaries in the course of the vessels, on 



the subumbrella. 

 a, — With eight vessels. 



11th Genus. — Mquorea (Peron), or perhaps deserving of a distinct 

 appellation. 1 sp., common on the Scotch coast; it is the 

 " Melicertum campanulatum" of Ehrenberg (not of Escholtz), 

 " Oceania octocostata " of Sars, and " Thaumantias Milleri " of 

 Mr. Landsborough, and " JEquorea octocostata " of Lesson. It 

 has long yellow ovaries. 

 12th Genus. — Circe (Mertens). Ovaries 8, minute. 1 sp. C. rosea. 

 Zetland, new. 

 b. — -With four vessels. 



13th Genus. — Thaumantias (Escholtz) ; ovaries four, ovate, clavate 

 or linear, stomach short ; 19 British species, of which 12 are 

 new and undescribed. All very distinct from each other. 

 14th Genus. — Slabberia (new), founded for a singular little Me- 

 dusa remarkable for its extremely linear ovaries, long proboscis, 

 and the development of an ocellated bulb at the end as well as 

 at the base of each tentacle : S. halterata ; coast of Cornwall. 

 15th Genus. — Geryonia (Peron). 1 sp., new, G. appendiculata. 

 British Channel. 

 16th Genus. — Tima? (Escholtz) T.l Bairdii of Johnston; common 



on the east coast of Scotland. 

 4th Family. — Vessels simple ; ovary in substance of peduncle. Gem- 



miparous. 

 A. — Peduncle with lateral lobes ; tentacula fasciculated. 



17th Genus. — Bougainvillia (Lesson — Hippocrene, Brandt), with 4 



fascicles of tentacles. 3 sp., 2 new. 

 18th Genus. — Lizzia (new, with 8 fascicles of tentacles and un- 

 equal lobes to peduncle), founded for the Cytceis octopunctata 

 of Sars, which, with two other undescribed species, inhabits the 

 Zetland seas. 

 B. — Peduncles inflated ; tentacula not fasciculated. 



19th Genus. — Modeeria (new). 1 sp. from the Hebrides. 

 G. — Peduncle elongate ; tentacula not fasciculated. 



