BRYOZOA OF THE PHILIPPINE REGION" 

 Genus ONCHOPORELLA Busk. 1852 



463 



The zoarium is foliate, unilamellar, ligulate or lobate. There are 

 lateral septulae and apertural septulae. The operculum is composite. 



Genotype. — Onchoporella (Carbasea) bombycina Busk, 1852 (not 

 Ellis and Solander, 1786). Recent. 



Fig. 195. Genus Onchoporella Husk, \^'<~l 



A-M. Onchoporella bombycina Busk, 1852. A. Ovicelled zooecia, X40. B. A 

 sagittal section through two zooecia with ovicell; the cryptocyst removed; X40. 

 ( '. A sagittal section through t^<> zooecia, furnished with radical filters. The 

 one descending part of the distal wall is seen, X40. D. Two zooecia with radical 

 fibers from the basal surface, X40. E. A part of the margin of a colony, X40. 

 F. Zooecia with developing ovicells X 40. G. Transverse sections of two zooecia 

 and of a kenozooecium X40. H. The first beginning of an ovicell, X40. I. De- 

 veloping ovicell, a little older. J. Developing ovicell, in which the basal surface 

 of the cryptocyst is almost formed, X100. (A-J. After Levinsen, 1909). K. 

 Distal wall, X25. L. Distal wall, X85, with uniporous septulae. M. Lateral 

 wall. X25, showing raised ovicell and multiporous septulae I K -M. After Waters, 

 1896). 



Genus ONCHOPOROIDES Ortmann, 1850 



The zoarium is unilamellar, clavulate. No ascoporc visible. 

 The compensatrix opens immediately OD the proximal border of the 

 apertura. There are frontal and lateral septulae. 



Genotype. — Onchoporoides (Carbasea) irwsehyi Busk, 1884. Recent. 



