REPORT ON THE POLYZOA. 
23 
Emma crystattina, Gray. 
Emma crystattina, Bk., Brit. Mus. Cat., vol. i. p. 28, pi. xl. 
Character. — Zooecia in pairs ; one to three strong spines on the outer border of the 
area, of which the middle one is usually the longest and thickest. 
Habitat. — Station 161, Port Philip, 33 fathoms, sand. 
[Bass Strait, 45 fathoms, Voy. of Rattles. ; New Zealand, DiefFenb. ; Hooker, Hutton, 
Lyall; Strait of Magellan, Miss Gatty ; Campbell’s Island, Hooker.] 
4. Scrupocellaria, van Beneden. 
Scrupocettaria, v. Bened., Reclierclies, 1844 ; Hincks. 
Bicellaria, sp., Blainv. 
Cellularia, sp., Pallas, Johnst., Smitt, &c. 
Cellaria, sp., Ell. and Soland., Lamk. 
Scruparia, sp., Oken. 
Canda, sp., Bk. 
Character. — Zooecia biserial, numerous in each internode, rhomboidal, with a sinus 
behind ; a sessile avicularium on the upper and outer angle, and a vibraculum seated in 
the dorsal sinus of each zocecium. Aperture oval or sub-rotund, with marginal spines 
above ; with or without a fornix. 
(1) Scrupocellaria macandrei, Busk (PI. XI. fig. 4). 
Scrupocellaria macandrei, Bk., Brit. Mus. Cat., vol. i. p. 24, pi. xxiv. figs. 1, 2, 3. 
Character. — Zoarium 1 to 2 inches high, branches close, short, strongly serrated. 
Aperture sub-orbicular ; fornix sub-orbicular, with a thick short stem, covering the 
entire aperture below the semicircular orifice, of which the lower lip appears to be formed 
by the upper border of the fornix. Border of aperture wide and thick below with a 
granular surface. Vibracula upright. Ocecia depressed, surface entire. 
Habitat. — St. Vincent, Cape Verde Islands, 1070 to 1150 fathoms, mud. St. Paul’s 
Rocks, North Atlantic. 
[Coast of Spain, M £ Andrew. ] 
(2) Scrupocellaria ciliata, Audouin (PI. XI. fig. 5). 
Grisia ciliata, Audouin, Egypte, Zool., pi. xii. fig. 2. 
Scrupocettaria diadema, Bk., Brit. Mus. Cat., vol. i. p. 24, pi. xxviii. figs. 1, 2, 3. 
Character. — Zoarium, mostly in one plane, branches rather long feathered. Aperture 
large, oval, with a thin smooth border ; several marginal spines above (often wanting). 
Fornix with a slender upright pedicle and very irregularly shaped blade. Vibracularia 
