FERTILIZATION 307 



LAND, W. J. G. 1900. Double fertilization in Composite. Bot. Gaz. 30: 252- 



260. pis. 15, 16. 



1902. A morphological study of Thuja. Ibid. 34 : .249-259. pis. 6-8. 

 1907. Fertilization and embryogeny of Ephedra trifurca. Ibid. 44: 273-292. 



pis. 20-22. 

 LAWSON, A. A. 1904a. The gametophyte, archegonia, fertilization and embryo 



of Sequoia sempervirens. Ann. Bot. 18: 1-28. pis. 1-4. 

 19046. The gametophyte, fertilization and embryo of Cryptomeria japonica. 



Ibid. 18: 417-444. pis. 27-30. 

 1907. The gametophytes, fertilization and embryo of Cephalotaxus drupacea. 



Ibid. 21 ; 1-23. pis. 1-4. 

 LEVINE, M. 1913. The cytology of Hymenomycetes, especially the Boleti. Bull. 



Torr. Bot. Club 40: 137-181. pis. 4-8. 



LILLIE, F. R. 1901. The organization of the egg in Unio based on a study of its 

 maturation, fertilization and cleavage. Jour. Morph. 17: 227-292. pis. 24-27. 

 1912. Studies of fertilization in Nereis. III. The morphology of normal fertiliza- 

 tion in Nereis. IV. The fertilizing power of portions of the spermatozoon. 

 Jour. Exp. Zool. 12- 413-476. pis. 1-11. 



1914. Studies of fertilization. VI. The mechanism of fertilization in Arbacia. 

 Ibid. 16 : 523-590. 



1919. Problems of Fertilization. Chicago. 



LILLIE. R. S. 1908. Momentary elevation of temperature as a means of producing 

 artificial parthenogenesis in starfish eggs and the conditions of its action. Jour. 

 Exp. Zool. 6:375-428. 



1915. On the conditions of activation of unfertilized starfish eggs under the 

 influence of high temperatures and fatty acid solution. Biol. Bull. 28 . 260-303. 



LOEB, J. 1910. Die Hemmung verschiedener Giftwirkungen auf das befruohtete 

 Seeigelei durch Hemmung der Oxidationen in demselben. Biochem. Zeitschr. 29. 



1911. Auf welche Weise rettet die Befruchtung das Leben des Eies? Arch. Entw. 

 31:658-668. 



1912. The Mechanistic Conception of Life. ' Chicago. 



1913. Artificial Parthenogenesis and Fertilization. Chicago. 



LOEB, J. and BANCROFT, F. W. 1913. The sex of a parthenogenetic tadpole and frog. 



Jour. Exp. Zool. 14: 275-277. 

 LOEB, J. and WASTENEYS, H. 1910. Warum hemmt Natrium cyanide die Gift- 



wirkung einer Chlornatriumlosung fur das Seeigelei? Biochem. Zeitsch. 2. 



1911. Sind die Oxidationsvorgange die unabhangige Variable in den Lebenser- 

 scheinungen? Ibid. 36: 345-356. 



1912. Die Oxidationsvorgange im befruchteten und anbefruchteten Seesternei. 

 Arch. Entw. 36 : 555-557. 



LUTHER, A. 1904. Die Eumesostominen. Zeit. Wiss. Zool. 77: 1-273. pis. 9: 



figs. 16. 

 MAcCuRDY, H. M. 1919. Division, nuclear organization and conjugation in 



Arcella vulgaris. Mich. Acad. Sci. Rep. 21: 111-113. 

 MACORMICK, F. A. 1912. Development of zygospore in Rhizopus nigricans. Bot. 



Gaz. 63:67-68. 

 McCLENUON, J. J. 1912. Dynamics of cell division. Artificial parthenogenesis in 



Vertebrates. Am. Jour. Physiol. 29: 268-301. 

 McCuBBiN, W. A. 1910. Development of the Helvellineae. Bot. Gaz. 49: 195- 



206. pis. 14- 16 

 MEVES, FR. 1899. Ueber Struktur und Histogenese der Samenfaden des Meersch- 



weinchens. Arch. Mikr. Anat. 64: 329-402. pis. 19-21. figs. 16, 



