ON RECENT POLYZOA. iat 
é. Zoarium erect ; branches cylindrical. 
6. Porella levis, Fleming, op. cit. p. 334, pl. xlvii. figs. 10, 11. 
Range: from Shetland to Arctic Sea. 
The above are all British species. 
7. Porella nitidissima, Hincks, ‘ Ann. Mag. Nat. Hist.’ July 1880, 
pl. x. fig. 2. Loc.: Madeira (Hincks). 
a rostrata, Hincks, op. cit. Nov. 1880, p. 382, pl. xvi. 
fig. 5; and ‘Annals,’ Feb. 1882, p. 89, pl. v. fig. 2. 
Loc. : Australia (Miss Jelly and Miss Gatty). 
9. ,,  marsupium, Macgil., op. cit. Aug. 1881, p. 123, pl. i. 
fig. 6. Loc.: Bass’s Straits. 
10. ,, + Form, porifera, Hincks (‘ Annals,’ Jan. 1884, pl. iv. fig. 4). 
Loc.: Victoria, Macgil. ; Bass’s Straits; Queen Charlotte 
Islands. 
ae Sr 5, major, Hincks (‘ Annals,’ Jan. 1884, pl. iv. fig. 5). 
12(?).,,  argentea, Hincks (‘ Annals,’ March 1884, pl. ix. fig. 1). 
Loc.: Queen Charlotte Islands. 
es: Sy, malleolus, Hincks (‘ Annals,’ May 1884, p. 361). Loc.: 
Coast of Burmah. 
Genus 68. LEscharoides, Smitt. 
‘Secondary orifice sinuated below, with an avicularium on one or 
both sides of the notch.’—Chal. Rep. p. 149. 
1. Escharoides occlusa, Busk, ‘Chal. Rep.’ pl. xxi. fig. 8. 
2. - verruculata, Smitt (sp.), ‘ Chal. Rep.’ p. 150 
= Cellepora id., Smitt, ‘ Florid. Bryozoa.’ 
Only two species are described by Mr. Hincks in his ‘ British Marine 
Polyzoa,’ 1880 :— 
4, Escharoides rosacea, Busk, op. cit. p. 336, pl. xlvii. figs. 5-9. 
Loc.: Orkney ; Shetland ; Norway ; Spitzbergen. 
5. re quincuncialis, Norman, op. cit. p. 339, pl. xv. fig. 7. 
Loc. : Deep water, in The Minch. 
Genus 69. Smittia, Hincks 
= Escharella, Smitt (not Escharella, Gray or D’Orb.), Smittia, Hincks, 
‘Ann. Mag. Nat. Hist.’ 1879. 
‘Zoarium erect, bi- or uni-laminar, or crustaceous, free or adnate. 
Primary orifice entire, with an internal median denticle. Secondary 
orifice canaliculate, usually inclosing a median avicularium.’—Chal. 
Rep., p. 150. 
(a). Bilaminar (escharan). 
1. Smittia tenuis, Busk, ‘Chal. Rep.’ pl. xx. fig. 1. 
(b). Unilaminar, erect or crustaceous (hemischaran). 
2. Smittia Smittiana, Busk, ‘ Chal. Rep.’ pl. xvii. fig. 2. 
3. p marsupialis, Busk, ‘Chal. Rep.’ pl. xviii. fig. 1. 
4, »,  transversa, Busk, ‘Chal. Rep.’ pl. xviii. fig. 7. 
5 »  marionensis, Busk, ‘ Chal. Rep.’ pl. xviii. fig. 6 
= Lepralia id., Busk, ‘ Brit. Mus. Cat.’ 
6 »  dacobensis, Busk, ‘Chal. Rep.’ pl. xix. fig. 7. 
