BRYOZOA OF THE PHILIPPINE REGION' 



465 



Fig. 196. — Genus Onchoporoides Ortmann, 1890 



A-E. Onchoporoides moseleyi Busk, 1884. A. Natural size. B. Zooecia with 

 their polypide. C. Zooecium more highly magnified, showing horseshoe mark. 

 D. Septular plate (multiporous septula). (A-E. After Busk, 1884.) E. Re- 

 tractor muscles. (A-E. After Busk, 1884.) 



Fig. 197. — Genus Ichthyaria Busk, 1S84 



A-F. Ichthyaria oculala Busk, 1884. A. Colon}*, natural size. B. Frontal 

 tide of a branched fragment, X12. C. Back view, X12, showing an elonga 

 vertical fissure remaining membranous. D. A zooecium, X25 showing the coni- 

 cal process on the upper and outer angle perforated at the base. (A-D. After 

 Busk, 1884.) E. Segments showing ovicells ornamented with radiating lines and 

 at the lower part the lateral chitin growth. (After Waters, 1SS7.) F. Zooecium 

 preceding a bifurcation of the branch and therefore less curved than most of the 

 zooecia. The compensatru I c. e. I opens by the ascopore (m. p.) which is asymmet- 

 rical and connected with the operculum by a longitudinal suture in the calcareous 

 wall («). On each side of the latter is a funnel-shaped fenestra (/). The parietal 

 muscles (p. m.) occur as a series of definite groups. (After Harmer, 1902.) 



