ON RECENT POLYZOA. 585 
13. Cellepora tridenticulata, Busk, ‘Chal. Rep.’ pl. xxix. fig. 3 and 
pl. xxxv. fig. 17. 
14, 5 vagans, Busk, ‘ Chal. Rep.’ pl. xxix. fig. 10 and pl. xxxv. 
fig. 11. 
15. 4 mammillata, Busk, ‘ Brit. Mus. Cat.’ p. 87. 
Var. atlantica, Busk, ‘ Chal. Rep.’ pl. xxxv. figs. 4, 5, 
and 13. 
§ 2. Operculum pedunculate or produced downwards, usually with 
an articular notch on each side. No median columella in the 
mandibles. 
§§ a. Lobate, branched, or ramose. 
16. Cellepora rudis, Busk, ‘ Chal. Rep.’ pl. xxviii. fig. 7 and pl. xxxvi. 
fig. 7. 
17. z slate Busk, ‘ Chal. Rep.’ pl. xxix. fig. 12. 
18. 4 pustulata, Busk, ‘Chal. Rep.’ pl. xxviii. fig. 8. 
£9: a cylindriformis, Busk, ‘Chal. Rep.’ pl. xxx. fig. 9, and 
pl. xxxvi. fig. 9. 
20. 45 Simonensis, Busk, ‘ Chal. Rep.’ pl. xxix. fig. 9 ; pl. xxxvi. 
fig. 8, p. 200. 
21. dy Eatonensis, Busk, ‘Chal. Rep.’ pl. xxix. figs. 4, 6, 8; and 
pl. xxxvi. figs. 3-5. 
22. * ovalis, Busk, ‘ Chal. Rep.’ pl. xxviii. fig. 5 ; and pl. xxxv. 
fig. 6. 
§§ 6. Pisiform. 
23. - bicornis, Busk, ‘Chal. Rep.’ pl. xxx. figs. 1 and 12 ; and 
pl. xxxvi. figs. 13, 15. 
24. s, bilabiata, Busk, ‘Chal. Rep.’ pl. xxx. fig. 2. 
25. _ signata, Busk, ‘ Chal. Rep.’ pl. xxx. fig. 3 ; and pl. xxxvi. 
fig. 14. 
26. $5 conica, Busk (?), ‘ Chal. Rep.’ pl. xxviii. fig. 10; and pl. 
xxxvi. fig. 1 
= (?) Cellepora avicularis, Smitt, ‘ Florid. Bryozoa.’ 
27. a ansata, Busk, ‘Chal. Rep.’ pl. xxx. fig. 4; and pl. xxxvi. 
fig. 17. 
28. - canaliculata, Busk, ‘Chal. Rep.’ pl. xxx. fig. 5; and 
pl. xxxvi. fig. 16. 
29. q bidenticulata, Busk, ‘Chal. Rep.’ pl. xxx. fig. 6; and 
pl. xxxvi. fig. 6. 
ae Var. subeequalis, Busk, ‘Chal. Rep.’ pl. xxxvi. fig. 11, 
chitinous parts. 
30. y granum, Hincks, ‘Ann. Mag. Nat. Hist.’ 1861, ‘ Chal. 
Rep.’ p. 205, pl. xxxvi. fig. 10. 
03 tubulosa, Hincks (sp.), ‘Chal. Rep.’ p. 205 
= C. Costarii, var. tubulosa, Hincks, ‘ Brit. Mar. Pol.,’ 
‘Chal Rep.,’ woodcut, p. 205. 
Tn his ‘ British Marine Polyzoa’ and Contributions in the ‘ Annals,’ 
- Hincks describes other species whose names are not found in the 
above list. 
ry 
Cellepora pumicosa, Linn., ‘ Brit. Mar. Pol.’ p- 598, pl. liv. figs. 1-3. 
Widely distributed. 
me ramulosa, Linn. (op. cit. pl. lii. figs. 7-9). 
