WORMS. MOLLUSCA. 49. Medufa. 125 
Body thin, convex, and terminating in a whitifh central knob 
above, blue with a brown border: creft 2-parted and ftriate ; 
tentacula fliform. 
Puls. ~- Hemilpherical-concave, with a fringed border ; beneath 
ftriate, the ftem with 4 openings and 8 arms. 
Shaw Natur. Mifcel. viii. tab. 299. 
Macri observ. del pol. mar. nap. 1778, tab. 3. 
Inhabits the 7z/zaz fea. 
Body gelatinous, pellucid, tough, eryftalline :. bead large, hemi{- 
phzrical, concave beneath, and marked with numerous ftriz 
crofled by 16 diftang ligaments, each emitting a fhort branch 
both fides: dorder fringed with numerous roundifh blue fcal- 
lops: /fem large, thick, {quare, with 4 femioyal openings, each 
of which ha: a large lobe above and a fmaller beneath: 
branches or arm: proceeding from the lower part of the ftem 8, 
fubcylindric, pendent and wrinkled behind ; befides thefe are 
16 fübtrigonal ap: endages, bifid in front, and terminated on 
the upper fide by a flat wrinkled furface; they arife from the 
beginning of each branch: the branches end in as many large 
fubpyramidical Zrazchbiz, ‘their 2 exterior fides prominent and 
ending in a thickly wrinkled furface: thefe are terminated by 
8 oblong fubtriangular thick pendent bodies, ending in 3 flat 
acuce membranaceous pieces. Within the openings is a flex- 
nous &riate blucifh-yellow band, 
(rr bera. Convex ; the margin crenate, and furnifhed with very long 
fibres or threads: beneath are 4 tentacula; 
Inhabits Tz/caz fea. — Macri. obf. del pala. mar. p. 19. 
Body {mooth, tender, hyaline fpotted with red; beneath are 4 
cavities, each marked with a red band. 
Gudercularis Difk prominent; the margin 8-times divided and ftriate 
-beneath: tubercles 8. 
Inhabits Tufian fea. Macri. obf. p. 20. 
Body hyaline, about 2 pounds weight; beneath fulvous, with 
innumerable curved fibres: tubercles blueifh-white, ending in 
2 ftems terminated by a pellucid whitifh membrane, which is 
flaccid and blue or white at the tip. 
Utriculus, Bottle-fhaped, with a very long granular central tentaculum 
beneath: margin with numerous blue tentacula tipt 
with white. 
Journ. de Pbyf, nov. 1787. p. 365. tab. 2, fig. 13, 14. 
Inhabits the Ocean. Hyaline, with about 30 “marginal cirri. 
Caravellg, 
