Sponges, 



Remarks on Classification Structure of a Spong-e 

 J\Taturalists who have contributed to the history of 

 Spong-es Chemical nature of Spong-e Interesting- 

 results Spong-ia qfficinalis and S. usta The Syrian 

 toilet Spong-e Its hig-h price Other Spong-es Ob- 

 jects for the Aquarium Spong-illa fluviatilis and 

 S. lucustris, or the fresh-water Spong-es Spong-es 

 common on the Eng-lish Coast Their use in 

 Jtfedicine Sources of Iodine and Fjromins Flints 

 and ^g-ates, as owing- their formation to Spong-es 

 (Petrified Spong-es (Practical details on the toilet 

 Spong-e Spong-e Fishery and Spong-e Jtfarkets. 



