524 REPORT—1885. 
§ a. Species in which the branches of one part of zoarium are bi- 
serial, and in another tri- and quadri-serial. 
§ 8. Species in which the zocecia are much attenuated downwards. 
Avicularia supported on long flexible pedicels. 
§ y. Species in which the zoccia are usually oblong, and little or 
not at all attenuated downwards. Avicularia shortly pedunculate. 
Examples: Bugula (Bicellaria), flabellata, turbinata, avicularia, plumosa. 
§ 0. Species in which the zocecia are wholly unarmed. Examples: 
Bugula (Halophila), Johnstonie, Gray. 
§ a. Abyssal forms (?). 
1. Bugula versicolor, Busk, ‘Chal. Rep.’ pl. iii. fig. 4. 
450 to 350 fathoms. 
rf leontodon, Busk, ‘ Chal. Rep.’ pl. x. fig. 5. 
1,525 fathoms. 
Bs tat sinuosa, Busk, ‘Chal. Rep.’ pl. x. fig. 2. 
80 to 150 fathoms. 
4s 55 mirabilis, Busk, ‘ Chal. Rep.’ pl. x. fig. 1. 
2,400 fathoms. 
§ p. 
a es reticulata, Busk, ‘ Chal. Rep.’ pl. viii. fig. 3. 
1,600, 600, 2,160, and 1,325 fathoms. 
oe OH Var. a, unicornis, Busk, ‘Chal. Rep.’ pl. ix. fig. 2. 
2,500, 1,850, 2,175 fathoms. 
BPG, bicornis, Busk, ‘ Chal. Rep.’ pl. ix. fig. 1. 
1,950 fathoms. 
$y. 
a; margaritifera, Bush, ‘ Chal. Rep.’ pl. viii. fig. 4. 
1,900 to 2,200 fathoms. 
Bey gs neritina, Linn. (sp.) ‘Chal. Rep.’ p. 42. 
ae ee longissima, Busk, ‘ Chal. Rep.’ p. xxxi. fig. 7. 
bo 
Having utilised a previous paper by Mr. Busk on Kinetoskias, it only 
remains for me to give the arrangement of the species in the ‘ Challenger 
Report.’ 
Kinetoskias Smittii, Kor. & Dan., ‘Chal. Rep.’ p. 43. Only 
referred to in Report. 
ip 5 eyathus, Wyv. Thomson, ‘ Chal. Rep.’ pl. viii. fig. 1 
= Naresia, id. Wyv. Thomson. 
2. , pocillum, Busk, ‘Chal. Rep.’ pl. viii. fig. 2. 
Additional remarks on this genus will be given further on when 
speaking of a new genus and species instituted by Mr. Hincks. 
Genus 19. Ichthyaria, Busk. 
‘Zoarium continuous, branched; branches irregularly dichotomous or 
forked, biserial, zocecia facing in one direction; the two series very 
loosely connected. Zocecia ventricose, rounded, fork entirely calcified.’ 
Challenger Report, p. 46. 
Ichthyaria oculata, Busk, ‘ Chal. Rep.’ pl. xiii. fig. 7. 
These are the whole of the genera admitted by Mr. Busk in his 
