271 



Rorig, G[eorg]. Uebcr die Bekiinip- 

 fung dcr Feldmiiuse. 111. landw. Ztg, 

 Berlin, 26, 1906, (640-042). [4350]. 



40773 



— ■ — . — — Die Bekampfung dcr 

 Mau3e und Ratten. Miinster, Veroff. 

 LandwKammer, H. 4, 1907, (37-43). 

 [4350 4100]. 40774 



V. Kriiger, Fricdrich. 



Rossler, Oskar. Der Nachweis von 

 Crenothrix polyspora iin Trinkwasser. 

 D. med. Wochenschr., Leipzig, 32, 1900, 

 (1628-1629). [7700]. 40775 



Rogers, W[)lliam] Jloyle. Plants of 



the English Lake District. J. Bot., 



London, 45, 1907, (8-12). [5400 



8000 de]. 40776 



— — . British liubi [with refer- 

 ence to E. Gilbert's views on the subject]. 

 J. Bot., London, 45, 1907, (210-211). 

 [8000 de]. 40777 



Rohland, Paul. Ueber das Faulen 

 der Tone. Zs. anorg. Chem., Hamburg, 

 41, 1904, (325-336). [3100]. 40778 



Rohlena, J[osephus]. Ueber die Ver- 

 breitung der Pi7ius Peuce Gris. in Mon- 

 tenegro. Allg. bot. Zs., Karlsruhe, 13, 

 1907, (75-76). [6500 8000 dl]. 



40779 



Roland-Gosselin. Le Pilocereus 



Pringlei Web. ,Sa rusticite a Nice. 

 Paris, Bui. soc. nat. acclim., 52, 1905, 

 [1906], (338-339). [5400 8000 dj\ 



40780 



Cereus tricostalus n. sp. 



et Cereus Plumieri n. sp. . . Paris, Bui. 

 soc. bot., 54, 1907, (664-669). [5400 

 8000 gll . 40781 



Rolfe, R[obert] A[llen]. [Descrip- 

 tions of plants.] Bot. Mag., London, 

 (Ser. 4), 3, 1907. t. 8116, 8121, 8126, 

 8131, 8133, 8141, 8142. 8153, 8160, 8164, 

 8171. [6000]. 40782 



Donax and Schumannian- 



thus [with revised synonymy of the 

 species]. J. Bot., London, 45, 1907, 

 (242-244). [6000 8000 e]. 40783 



Ophrys muscifera var. 



virescens [discovered near Ashford, 

 Kent]. J. Bot., London, 45, 1907, (282). 

 [6000 8000 de]. 40784 



Oak-galls [in the Royal 



Botanic Gardens, Kew]. Kew Bull., 

 London, Add. Ser. 5, 1906, (46-53). 

 [4300 5400 8000 de]. 40785 



(M- 105 15) 



Relfe, R[obertl A[llenj. New orchids. 

 —Decade 30, [Nos. 291-300]. Kew 

 Bull.. London, 1907, (128-132). [(iOOO 

 8000 b]. 40786 



Natural hybrids of the 



Callleya group. London, R. Hort. Soc, 

 Rep. Conf. Genet., 1906, [1907], (222- 

 241, figs. 51-55). [3550 6000]. 40787 



.^ — Oncidium Waluewa. [A 



note on its history.] Orch. Rev., Lon- 

 don, 15, 1907, (3). [6000]. 40788 



Epidend) um X kewense : 



A Mendelian experiment. Orch. Rev., 

 London. 15, 1907, (58-59). [4410 



6000]. 40789 



Natural hybrid Cattleyas. 



Orch. Rev., London, 15, 1907, (293- 

 296). [3550 6000]. 40790 



. Cycnoches Egertonianum. 



[Notes on its history.] Orch. Rev., 

 London, 15. 1907, (337-340, fig. 37). 

 [6000]. 40791 



Rolfs, F[red] M[o8s]. Die-back of the 

 peach trees. (Vaisa leucostoma Pers.) 

 Science, New York, N.Y., (N. Ser.), 

 26, 1907, (87-89). [3225 4050]. 40792 



Rolfs, P[eter] H[enry]. Wither-tip- 

 and other diseases of citrus trees and 

 fruits, caused by C'olletroirichum gloso- 

 sporioides. Washington, D.C., U. S. 

 Dept. Agric, Bur. Plant Ind., Bull. 

 No. 52, 1904, (1-22, with pi., partly 

 col.). [4050]. 40793 



Rclland, Leon. Observations sur le 

 Mycenastrum CGn'um Desv. et sur le 

 Bovista plumbea Perc. Paris, Bui. soc. 

 mycol.. 22, 1906, (109-115). [1660 

 3235]. 40794 



Obsei-vations sur quel- 



ques especes critiques. Rev. mycol., 

 Toulouse, 26. 1904, (137-141). [7700 

 8000 dfl 40795 



Romanowski, Max. Die Bliite der 

 Resedaceen und ihre Entwickclung. 

 Gartenflora, Berlin, 56, 1907, (261- 

 268). [1500 5400]. 40796 



[Romanovsky-Romaniko, V.] Po- 

 MaHOBCKui-PoiiaHbKO, B.I. O a^HTeJib- 



HOCTII H'liKOTOpUXl, BpejHHX'b Iiacfe- 

 KOMblX'h BT> EaeU,K0MT5 y., OpJIOBCKOH. 



ryo. [Ueber die Tiitigkeit einiger schiid- 

 licher Insekten im Kreise Jelec des- 

 Gouv. Orel, j Vest, selisk.-choz., Mosk- 

 va, 8, 1907. N 20. (8-11). [4100]. 



40797 

 u 2 



