

. • -.iaaS^ • 



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isi£S%8;€<v.. •::•: .•^.: 



Fig. 4. 



H.v.L. **<;j^|,'3sS&'' 



Gut-epithelium of Arbacia after fat-feeding. Flemming-paraffln. 



Fig. 6. 

 Resorption of ammonium carminate in the radial sacs of Asterias. 



