32 
THE VOYAGE OF H.M.S. CHALLENGER. 
(5) Bugula reticulata , n. sp. (PL VIII. fig. 3). 
(6) Bugula bicornis, n. sp. (PI. IX. fig. 1). 
§ 7- 
(7) Bugula margaritifera, n. sp. (PI. VIII. fig. 4). 
§ 3 - 
(8) Bugula neritina (Linn). 
(9) Bugula longissima, n. sp. (PI. XXXI. fig. 7). 
3. Kinetoskias, Koren and Daniellsen. 
(1) Kinetoskias cyathus (Wyv. Thoms.) (PI. VIII. fig. 1). 
(2) Kinetoskias pocillum, n. sp. (PI. VIII. fig. 2). 
4. Ichthyaria, n. gen. 
Ichthyaria oculata, n. sp. (PI. XIII. fig. 7). 
1. Bicellaria, Blainville. 
Bicellaria, Blainv., Gray, Johnst., Brit. Mus. Cat., Hincks, &c. 
Cellularia (pars), Fleming, Pallas. 
Cellaria (sp.), Solander, Lamx. 
Crista (pars), Lamx. 
Bugula (pars), Oken. 
Stirparia, sp., Goldst . ; Hincks. 
Character. — Zocecia turbinate or subturbinate, biserial, the two series more or less 
disjunct. Aperture large, directed obliquely upwards. Avicularia when present usually 
pedunculate and capitate or trumpet-shaped ; rarely sessile, not articulated, and placed 
either on the anterior or posterior aspect. 
•» 
(i) Bicellaria navicularis, n. sp. (PI. VII. fig. 2). 
Character. — Aperture boat-shaped, the wider end outwards ; a small funnel-shaped, 
shortly pedunculate avicularium at the inner end, in, front of the aperture. A long digiti- 
form process, produced from the summit of the zooecium below the border of the aperture, 
from which arise four to eight (usually six) long delicate curved spines, articulated chiefly 
along the posterior side of the digitiform process. Ocecium (fig. 2b) rounded, depressed, 
cucullate, recumbent, at the outer border of the aperture. A small solitary dorsal spine. 
Habitat. — Station 122, Barra Grande, Brazil, lat. 9° 5' S.,long. 34° 50' W., 32 to 400 
fathoms, red mud. Station 332, lat. 37° 29' S., long. 27° 31' W., 2200 fathoms, Globigerina 
ooze. 
