Geodia japonica (Sollas). 



Figures 1-29. 



1-7. — Cladomcs of orthotiiaenes; ra.ignified 50; phot. Zeis.s, apochr. 16, coinpons. oc. 2. 



8. — Side-view of the specimen; reduced 1 : 0.5S; phot. Zeiss, anastig. 480 / 412. 



9-17. — Cladonies of mesoproclades ; magnified 100; phot. Zeiss, apochr. 16, compens. oc. 6: 



9, 14, of regular mesoprotriaenes; 



10, 12, of regular raesoprodiaenes ; 



11, of a regular mesoprodiaene with a. rudiment of a third clade; 

 13, of a niesoclade with all three cladcs reduced; 



15, 16, of mesopromonaenes with rudiments of the two other clades; 



17, of a mesoprodiaene with one shortened, truncate clade. 



18-29. — Cladomcs of large anatriaenes; magnified 100; phot. Zei.ss, apochr. 10, compens. oe. 6: 



18, 19, of young, large anatriaenes with not fully developed clades; 



20-22, of full-grown, large anatriaenes, the distal parts of the clades of which are straight; 

 23-29, of full-grown, large anatriaenes, the tlistal parts of the clades of which are more or 

 curved outwards (sigmaclade). 



