G94 JOURNAL OF THE EOYAL HORTICULTURAL SOCIETY. 



study. (No. 23.) After doing full justice to the labours of Mendel and 

 others^ Prof, Wcldon gives a number of a2)2^arcnt exceiAions to MendeVs 

 laiv in regard to Peas, and suggests that in former experiments sufficient 

 attention has not been given to the important question of ancestry. 

 With this I agree, and submit tliat the experiments ivitJi Orchid hybrids 

 ■detailed above are not open to this objection. — C. C. H.) 



List of Authors Cited. 



No. 



1. Bateson, W., " On Problems in Heredity." Journal Boyal Hor- 



ticultural Society, 1900, xxv. pp. 54-61. 



2. — " Experiments in Plant Hybridisation " (Introduction 



to translation of Mendel's Paper). Journal Boyal Horticultural 

 Society, 1901, xxvi. pp. 1-3. 



3. CoRRENS, C, " G. Mendel's Regeln iiber das Verhalten der Nach- 



kommenschaft der Rassenbastarde." BcricJite d. deutsch. botan. 

 Gesellsch. 1900, xviii. pp. 158-1G8. 



4. Summary in Botanische Zeitschrift, Abth. ii. 1900. 



5. Ueber Levkojenbastarde. Botan. Gentralbl. 1900, 



Ixxxiv. pp. 97-113. 



G. Ueber Bastarde zwischen Rassen von Zca Mays. 



Ber. d. deutsch. botan. Gesellsch. 1900, xix. pp. 211-220. 



7. Bibliotheca Botanica, 1901, No. 53. 



8. De Vries, Hugo, " Sur la loi de disjonction des Hybrides." Comptes 



Bendus, 1900, cxxx. pp. 845-847. 



9. also in Bev. gdndr. Bot. 1900, p. 257. 



10. " Das Spaltungsgesetz der Bastarden." Ber. d. 



deutsch. botan. Gesellsch. 1900, xviii. pp. 83 -90. 



11. " Ueber erbungleiche Kreuzungen." Ber. d. 



deutsch. botan. Gesellsch. 1900, xviii. pp. 435-443. 



12. " The Law of Separation of Characters in Crosses." 



Journal Boyal Horticultural Society, 1901, xxv. pp. 243-248. 

 (English translation of paper in Deutsch. Botan. Gesellsch. 

 1900, xviii.) 



13. Hurst, C. C, " Curiosities of Orchid Breeding." Journal Boyal 



Horticultural Society, 1898, xxi. pp. 442-486. 



14. Curiosities of Orchid Breeding." Nature, 1898, lix. 



pp. 178-181. 



15. " Notes on some Experiments in Hybridisation and 



V Cross-breeding." Report of International Conference on 



Hybridisation, London, 1899. Journal Boyal Horticultural 

 Society, 1900, xxiv. pp. 90-126. 



16. Macfarlane, J. M., " Minute Structure of Plant Hybrids." 



Transactions Boyal Society Edinburgh, 1892, xxxvii. 

 pp. 203-286. 



17. Mendel, G., " Versuche iiber Pflanzen-Hybriden." Abhandl. d. 



Naturf. Vereins in Briinn, 1865, iv. pp. 3-47. 



18. also (edited by Tschermak) in Oswald's Klassiker 



der cxaktcn Wissenschaften, No. 121. 



