436 BIBLIOGRAPHY: DEPARTMENT OF BIOLOGY 



American readers will find more extensive bibliographies in: 



COVILLE, F. V., and MxcDouoAL, D. T., Desert Bot. Lab. of the Carnegie Insti- 

 tution, Publication no. 6, Washington, Nov., 1903 (pp. 46-58). 



CLEMENTS, FRED. ED., Research Methods in Ecology, Lincoln, Neb., 1905 (pp. 

 324-334). 



