ether-soluble alkaloids from greenheart bark and vvith isochondrodendrine 

 also have been submitted, .ie v/ish to thanl'. Dr. F. G. .'alton Smith and 

 his colleagues at the Marine Laboratory for their kind collaboration. 



'.e also vfish to acknovdedge the many excellent microanalyses carried 

 out by !Ir. Robert J. Brotherton of our laboratory. 



REFERENCES 



1. a) '7. G, Atvrood and A. A. Johnson, "Marine Structures, Their Deter- 

 ioration and Preservation," National Research Council, VJashington, 

 192ii, p. 85; b) .J. D. Brush, "Greenheart," (Foreign oods Series) 

 U. S. Dept, of Agriculture, Forest -ervice, ashington, 19hh', c) 

 D, B. Fenshawe, Tropical Toods, llo. 92, 25 (19U7). 



2. Q.van Iterson, Proce edings of the Fifth Pacific Sciences Congress , 

 Canada 1933 , 5, 390? (193liy; 



3. C. E. Bald /in, The Dock and Har-bour Authority , 17, 112 (1938), 



It. "Deterioration of Structures in Sea V/ater" Fourth (Interim) Report 



(I92U) of the Coimiiittee of the Institution of Civil Engineers (London), 

 p. 2h; referred to again in the Fifteenth Report (1935)j p. 22, and 

 in the Seventeenth (Interim) Report (1939), p. 10. 



5. Ibid , Second (Interim) Report (1922), p. 31), 



6. D. Maclagan, Annalen der Ghemie , U8, IO6 (I81i3)<. 



7. D. liaclagan and A. Gamgee, Pharmaceutical Journal , (ii), 11, 19 (1869-70) » 



8. A. diggers, Annalen der Chemie , ^3, 81 (131|0), 



9. Fluckiger, Pharmaceutical Journal , (ii), 11, 192 (1369-70). 



10. Spath, Leithe, and Ladeck, Chemische Berichte, 6I, I698 (1928). 



11. Spath and Kuffner, Chemische Beri chte, 67, 55 (193U). 



12. Harold King, J. Chem. Soc , ll57 (1939). 



13. M. Scholtz, Pharraaceutische Zentralhalle, Li7, 8U8 (1906), 

 lU. Harold King, J. Chem. Soc, lUh (19U0) , 



15. James D. Butcher, J. Am. Chem. Soc, 68, Iil9 (19ii6). 



N - 8 



