368 PALAFITTES, OR LACfCfSTRTA]!? CONSTRUCTrOXS 



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1 i^iut! 23 a. 



Figure 24. 



Figure 25. 



Figure 25 a. 



Figure 25 c. 



Figui'o 25 h. 





i'jfi'uiv 30. 



have a conical base, so that to keep tliem upright it would be necessary to sink 

 them in the sand or earth, or to place them in circles or rings of baked earth de- 



