BRYOZOA OF THE PHILIPPINE REGION 417 



relationships were described in our 1920 work. We now add to the 

 Celleporidae Hippoporidra and Uippotrema Canu and Bassler, 1927, 

 Tegminvla Jullien, 1882, Aulopocella (Solenopora) Maplestone, 1903, 

 and Omalosecosa Canu and Bassler, 1925. Descriptions of these 

 latter genera are given below. 



The zooecia of the Cellepores are accumulated one upon the other 

 without any apparent order. They are of mediocre and little artistic 

 architecture, but as they swarm in all the seas it must be admitted 

 that this arrangement much facilitates their existence and their 

 dissemination. The larva alone has need of a minute fragment in 

 order to affix itself; the zoarium is then independent of the nature 

 of the bottom. The rarity of the frontal pores is compensated from 

 the viewpoint of the respiratory function by the number (16) and the 

 length of the tentacles. These are then animals with cutaneous 

 respiration; in order to live they have to remain evaginated. This 

 peculiarity appears to be the cause of the erectness of the zooecia. 

 The extremely fragile operculum appears to be only an accessory, 

 certainly indispensable but of a secondary use. 



Genus AULOPOCELLA Maplestone, 1903 



(Solenopora Maplestone, 1903, preoccupied) 



"Zooecia ovoid. Aperture oval, within which is a tubular process 

 with a circular pore on the summit. Ovicell large, globular, sub- 

 immersed." (Maplestone.) 



Genotype. — Aulopocella (Solenopora) tubulijera Maplestone, 1903. 



Recent. 



Genus TEGMINULA Jullien, 1882 



The zooecia are urceolate, irregularly erect, close to each other; 

 the frontal is smooth. The orifice is absolutely circular and sur- 

 mounted by a tubular peristome in part opened in front (Jullien). 



Genotype. — Tegminula venusta Jullien, 1882. Recent (Gulf of 

 Gascony). 



Genus OMALOSECOSA Canu and Bassler, 1925 



The zooecia are cumulate. The ovicell is hyperstomial, not 

 closed by the operculum, smooth. The aperture is semicircular, 

 with a somewhat concave proximal border. The frontal is entirely 

 smooth. The muscular attachments are placed on the border of 

 the operculum. 



Genotype. — Omalosecosa (Cellepora) ramulosa Linnaeus, 1766. 



Range. — Pliocene. Recent. 



