Headley, F. W. 



Life and evolution. 



288 pp. London, 1909. 



Problems of evolution, 



Z7Z pp. New York, [1901.] DV-H 433 



Heald, Frederick de Forest. 



Laboratory manual, elementary biologv. 



287 pp. Binghamton, N. Y. 1902.' BA-H 434 



The dissemination of fungi causing disease. 

 24 pp. Decatur, 1913.* 



(Trans. Am. Micr. See. Vol. XXXII, no. 1, pp. 5-29.) 



Gametophytic regeneration as exhibited by mosses, and conditions for the germina- 

 tion of cryptogam spores. 



68 pp. 2 pis. Leipzig, 1897.* 



Symptoms of chestnut tree blight and a brief description of the fungus. 

 15 pp. 16 pis. Philadelphia, 1913.* 



(Bull. 5, Pa. Chestnut tree blight Com.) 



Heald, F. D. and Lewis, I. M. 



A blight of the mesquite. 



6 pp. 1 pi. Decatur, 1912.* 



(Trans. Am. Micr. Soc. XXXI, no. 1 pp. 5-10.) 



Healey, Elizabeth. 



First book of botany. 



142 pp. London, 1909. BE-H 434 



Heath, Francis George. 

 Autumnal leaves. 



352 pp. 12 pis. London, 1881. BE-H 438 



2 ed. 352 pp. 12 pis. London, 1883. BE-H 438 



3 ed. 352 pp. 12 pis. London, 1885. BE-H 438 



British ferns ; a pocket help for the collector. 

 130 pp. London, 1911. HBl-H 438 



British fern varieties. 



271 pp. London, 1912. HBl-H 438 



The fern portfolio. 



15 pis. London, 



2 ed. 15 pis. London, 



3 ed. 15 pis. London, 1885. HB-H 438 

 Reissue, 15 pis. London, 1885. HB-H 438 



(1 pag^ of text with each plate.) 



The fern world. 



459 pp. 12 pis. London, 1877. HBl-H 438 



459 pp. 12 pis. London, 1877. HBl-H 438 



London, 



1878. 



459 pp. 12 pis. London, 1878. HBl-H 438 



459 pp. 12 pis. London, 1879. HBl-H 438 



459 pp. 12 pis. London, 1885. HBl-H 438 



407 pp. 12 pis. London, 1898. HBl-H 438 



399 pp. 12 pis. London, 1908. HBl-H 438 



The green gateway. 



2 ed. 138 pp. London, 1908. BE-H 438 



548 



