DESCRIPTION OF GENERA AND SPECIES. 
Group A. ECTOPROCTA. 
Sub-Order II. CYOLOSTOMATA, Busk. 
Cyclostomata, Bk., Smitt, Hincks, Auctt. 
Tubuliporina, M. -Edwards, Johnst., &c. 
Auloporina and Myrioporina (pars), Ehrenberg. 
Cerioporina (pars), Bronn. 
Centrifuginea (pars), d’Orbigny. 
Millepores cl cellules (pars), Blainville. 
Character . — Zocecia tubular, calcareous, partially free or wholly connate or 
immersed ; aperture terminal, inoperculate. 
Division I.— ARTICULATA seu RADICATA. 
Radicellata, d’Orbigny, Hincks, Smitt, &c. 
Articulatse s. Rcidicatw, Bk., Crag Polyz. 
Character . — Zoarium branched, divided into distinct internodes by flexible chitinous 
joints ; affixed by chitinous, or calcareous jointed stoloniform radical tubes. Zooecia 
disposed in single or double longitudinal series, all facing in one direction. 
Family I. Crisiad.e. 
Les Crisies, M. -Edwards. 
Crisiartae, Johnst., Busk, &c. 
Grisiidas, Busk, Hincks, etc. 
Crisieae, Smitt. 
Crisidea, Reuss. 
Crisidx, d’Orbignv. 
Character . — The only family. 
(ZOOL. CHALI, EXP. — PART L. — 1886 .) 
Ddd 1 
