Notes on Some Species of Relepora and Adeanella 

 occurring in Japan, with Descriptions of One 

 New Variety and Five New Species. 



By 



Yaichiru Okada, 



Zoological Institute, Sci. Coll., Tokyo Imp. Univ. 



With Pl. VIII. and 7 tcxtfigtires. 



In his paper entitled " Die Japanische Bryozoenfauna " (Arch. f. 

 Naturgesch. Jahrg. 56. Bd. 1. 1890) Ortmann has given thirteen species 

 of Retepora and three of Adeonella. 



The list is as follows : 



Genus Retepora Imperato. (Reteporidae). 



1. R. anatina Ortm. (p. 33). Sagami Sea. 150-200 fms. 



2. R. sanguinea Ortm. (p. 34). Ditto, depth ? 



3. R. tenella Ortm. (p. 34). Ditto, 200 fms. 



4* R. tumescens Ortm. (p. 34). Ditto, 200-230 fms. 



5. R. bimunita Ortm. (p. 34). Ditto, 40 fms. 



6. R. semispinosa Ortm. (p. 35). Ditto, 40 fms. 



7. R. victoriensis var. japonica Busk. (Busk, Chall. Rep., p. 118). 



Kobe Gulf, 8-50 fms., Ortm. (p. 35)- Sagami Sea, 200 

 fms. 



8* R. punctiligera Ortm. (p. 35). Sagami Sea, 40-130 fms. 

 9. R. cornuta Ortm. (p. 35). Ditto, 40-150 fms. 

 IO.* R. axillaris Ortm. (p. 36). Ditto, 40 fms. 



