Physiology. 



383 



3550 



RicMer, W. A. Neue Versiiche iiber 

 die Bestaubung vo:i Apfel- unci Birnen- 

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 Frankfurt a. 0., 19, 1904, (111-112). 



Ridley, H. N. Insect attractions in 

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 (164-167). 



Rosenberg-, 0[tto]. Ueber die Be- 

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 (Johans.) Stockholm, Vet.-Ak. BIh. 28, 

 HI, No. 10, 1903, (20, with 2 pi.). 



Schilberszky, Karoly. Blamenfarbe, 

 Bkunenduft uad die Insekten. (Un- 

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Schulz, A. Beitrage zur Kenntnis des 

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501). 



Shibata, K[eita]. Studien iiber die 

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Stevens, F. L. Oogenesis and fer- 

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 Chic, 38, 1904, (300-302, with 2 text- 

 %)• 



Tansley, A. G. What part does 

 colour play in the attraction of insects 

 to flowers ? N. Phvtol., London, 3, 

 1904, (51-54). 



Tbomas, Ethel N. A consideration 

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 858). 



Trabut. Le figuier (caprification, 

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 361-367, av. fig.). 



Tro"W, A. H. On fertilization in the 

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 1904, (041-569, pi. 34-36). 



Tschermak, E[rich]. Ueber kiinst- 

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Ule, E[rnst]. Bliiteneinrichtungen 

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 traoger), 1904, (547-551). 



Weiss, F. E. The pollination of the 

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 Nature Notes, London, 1904, (103-106). 



Further observations on 



the pollination of the primrose and of 

 the cowslip [Primula vuh/aris and P. 

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 (168-171); [abstract] Naturalist, Lon- 

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Williams, J. Lloyd. Studies in 

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Willis, J. C. and Burkiil, I. H. Notes 

 on the anthophilous fauna of the Clova 

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 Edinburgh, 1903, (29-37, 99-103). 



Notes on the 



anthophilous insects of the Clova 

 mountains. — Note II. On the choice of 

 flowers bv Syrphids. Ann. Scot. Nat. 

 Hist., Edinburgh, 1904, (166-168). 



The phanero- 

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 (109-125). 



Wood, E. M. The colours and scents 

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Zabn, H[ermann]. Bemerkungen liber 



C. H. Ostenfeld's Artikel : Zur Kenntnis 

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(170-172). 



Zederbauer, E. Geschlechtliche und 

 ungeschlec^htliche Fortpflanzung a-ou 

 Ceratium hirundwclla. Berlin, Ber. 



D. bot. Ges., 22, 1904, (1-8, mit 1 Taf.). 



3550 HYBRIDIZATION. 



Cross-breeding. Gard. Chron., 

 London, (Ser. 3), 35, 1904, (248, figs. 

 104-106). 



Hybrids of Odontoglossum^ crispum. 

 Arch. Rev., London, 12, 1904, (8-15, 

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Hybrid Wallflower [Cheiranthus 

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 London, (Ser. 3), 35, 1904, (123, fig. 52). 



