PAMMEL POLLINATION OP" PHLOMIS TUBEROSA. 267 



27 Flowers of the Primrose destroyed by Birds. Nature, vol. 



ix. p. 428; vol. X. p. 24. 



28 Darwin, Francis — Bees Visiting Flowers. Nature, vol. ix. p. 1S9. 



See 25, p. 429, Abstract by H. Miiller, Just Bot. Jahresbericht, 

 1874, p. 898. 



29 Alpine Flowers : A Review of Herman Miiller's yl//)e«^/?<wg«. 



Nature, vol. xxiii. pp. 333-35. 



30 Delpino, F. — Ulteriori Osservazione sulla Dicogamia nel Regno Ve- 



getale. Pt. i. 1S68-69; Pt. ii. fasc. i, 1870, p. 114, & fasc. 2, 



1873-74- 

 Estratto dagli Atti della Soc. Ital. delle Sci. Nat. in Milano, 

 vols. II i.^ 12. 



31 Dyer, W. T. Thyselton — Flowers of the Primrose destroyed by Birds. 



Nature, vol. ix. p. 509. 



32 E. T. S. — Flowers of the Primrose destroyed by Birds. Nature, vol. 



ix, p. 509. 



33 Edwards, D. — Primroses and Cowslips. Nature, vol. xii. p. 105. 



34 Edwards, E. — Birds and Flowers. Ilardwicke's Science Gossip, 



1874, p. 214. 



35 Errera, Leo and Gustave Gevaert — Sur la Structure et les Modes de 



F^condation des Fleurs. Bull, de la Soc. Bot. de Belg., vol. 

 xvii. p. 206 & 209. 



36 Farlow, W. G. — Flowers of Aconitum septentrionale perforated by 



an Insect. Am. Nat., vol. viii. p. 113. 



37 Farrer, T. H. — On the Fertilization of the Scarlet Runner and the 



Blue Lobelia. Annals and Magazine of Nat. Hist., ser. 4, 

 vol. ii. p. 256-63; vol. iii. 478 & 498. 



39 Festing, E. R. — Flowers of the Primrose destroyed by Birds. Na- 



ture, vol. X. p. 6. 



40 Focke, W. O. — Hummeln und Taback. Kosmos, 1880, p. 473- Ab- 



stract by H. Miiller, in Just Bot. Jahresbericht, 1S79, p. 147. 



41 Der Rothe Klee in Neu Zeeland. Kosmos, 1SS3, p. 687. Ab- 



stract by Ludwig in Bot. Centralblatt, Bd. xviii. p. 296. 



42 Fordham, George — Destruction of Flowers by Birds. Nature, vol. 



xii. p. 783. 



43 Gentry, Thomas G. — The Fertilization of certain Flowers through 



Insect Agency. Am. Nat., vol. ix. p. 263. Abstract by H. 

 Miiller, in Just Bot. Jahresbericht, 1875, p. 9C6. 



44 The Fertilization of Pedicularis Canadensis. Acad, of Nat. 



Sci. Philadelphia. 1873, P- 287. Nature, vol. viii. p. 541. 



45 Gladstone, J. H. — Flowers of the Primrose dcbtroyed by Birds. Na- 



ture, vol. ix. p. 509. 



46 Goodale, G. L.— Wild Flowers, p. 4. 



