134 



Allgemeine Naturwissenschaften. 



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t04 7 Heidelberg. — Sitzungsberichte der Heidelberger Akademie derWissen- 

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 Heidelberg, gr. 8. 35 pg. I50 



1018 Jena. — Jenaische Zeitschrift für Naturwissenschaft, herausgegeben von der 

 Medizinisch - naturwissenschaftlichen Gesellschaft zu 

 Jena. Band 56 (Neue Folge. Bd. 49). Heft 3. Jena 1940. gr. 8. pg. 3 u. 153—430 

 m. 4 8 Tafeln u. 44 Figuren. 54 



lohalt: Würgler, E., Beiträge zur Kenntnis der Reparationsprozesse bei Hirudineen (m. 



4 Tön.). — Jacobshagen, E., Zur Morphologie des Oberflächenreliefe der Rumpfdarmschleim- 

 haut der Reptilien (m. 44 Tön.). 



Band 56, jetzt vollständig, 433 pg. m. { Bildnis, 30 Tafeln (3 kolor.) u. 72 Fig. M. 116. 



1019 London. — Bulletin of the Imperial Institute. Quarteriy record of pro- 

 gress in Tropical Agriculture and Industries and the commercial utilization of 

 the Natural Resources of the Dominions, Golonies and India. Volume 17. No. 4: 

 October— December 1917. London. 8. pg. 7 and 455—616 with 1 plates. 

 (1 s. 6 d.) 



Cont. : R e v a n , W., Notes on Agriculture in Gyprus and its producta II (fodders and feeding 

 stuffs) (with 2 plates). — Fibres from India, Africa and the West In dies; Flaz-, Jule- and Hemp- 

 substitutes (report od recent investigations at the Imper. Institute), etc. 



Volume 17 complete, 623 pg. with 7 plates. (10 s.) 



1010 — The same. Volume 18: Year 4 910 (4 nrs,). (4 4 s.) 



1014 — Proceedings of the Royal Society. Series A : Mathematical and Physical 

 Sciences. Nos. 681— 686. London 4910. roy. 8. pg. 4— 44 4 and (obituary notices) 

 4—6 (of volume 97) with figures. (4 s. 6 d., 4 s. 6 d., 3 s. 6 d., 4 s. 6 d., 4 s. 6 d. 

 and 4 s.) 



Cont.: Horton, F., and Davis, A. C, Experimental determination of the critical Electrcn- 

 velocities for the production of Radiation and Jonisation on collision with Argon -atoms. — Mc 

 Bain, J. W., and S a 1 m o n , C. S., Colloidal Electrolyt: Soap-solutions and their Constitution 

 — Farr, C. E., and Macleod, D. B., On the viscoBity of Sulphur. — Marsh, S., On Alter- 

 nating Current Electrolysis. — Russell, A., Capacity-coefficients of spherical Conducton. — 



5 lade, R. E., and Toy, F. C, New mechod of Spectrophotometry in the Visible and Ultra- 

 violet. — Bairslow,L., Fowler,R. H., and Hartree, D. R., Pressure - distribution in the 

 head of a Shell moving at high yelocities. — Phillips, P., Relation between refractivity and 

 density of Catbon Dioxyde. — Hy de, J. H,, On the viscosity and compreasabilitiona of Liquids 

 at high pressures. — Armstrong, E. F., and Hilditch, F. P., Study of catalytic actions at 

 solid Surfaces III and IV. — Daynes, H. A., Theory of Eatharometer. Process of diffusion 

 through a Rubber -membrane. — Selten, T. R., On the strueture of the Balmer -series of Hy- 

 drogen - lines. — D u f f 1 e 1 d , W. G., Burnham, T. H, and Davis, A. H., Pressure upon the 

 pores of metallic and composite Ares. — R i c h a r d s o n , L. F., Supply of energy from and to 

 atmospheric Eddies. — Rutherford, E., Nuciear Constitution of Atoms, etc. 



1011 — The same. Series B: Bioiogical Sciences. Nos. 637—639. London 4910. 

 roy. 8. pg. 115—291 and (obituary notices) 7—30 (of volume 91) with 1 portraits 

 (of Saunders and Trimen), 8 plates and figures. (Each number 4 s. 6 d.) 



Cont.: D a le, H. H , Bioiogical significance of Anaphylaxis. — M e e k , C. F. U., Further study 

 of Chromosome-dimensions (with 2 plates). — Waller, A. D., Physiological cost of Muscular 

 Work measured by the diecharge of carbondioxide I and II. — Moore, B., and Webster, T. A., 

 Studies of photosynthesis in Freshwater Algae I— III. — Gates, a. R., Preliminary aecount of the 

 meiotic phenomena in the Pollen-mother-cells and Tapetum of Lactuca sativa. — B riggs, G. E., 

 Experimental researches on Vegetable Assimilation and Respiration XIII. — H o g b e n , L, T., Studies 

 on Synapsis I: Oogenesis in the Hymenoptera (with 6 plates). etc. 



1013 Washington. — Proceedings of the National Academy of Science of the 

 United States of America. Washington, roy. 8. with figures. — Volume 6 : Year 

 4910 (11 nrs.). (Doli. 5.) 



1014 — Yearbook of the G a r n e g i e Institution of Washington. No. 19: 1919. 

 Washington 1920. roy. 8. (Doli. 1.) 



1015 Wien. — Verhandlungen derZoologisch-botanischenGesellschaft 

 in Wien. Redigirt von V. P i e t s c h m a n n. Band 69 : Jahrgang 1919. Heft 6—10. 

 Wien. 8. pg. 437—100 u. 445— 409 m. «3 Figuren. 



Inhalt: Beiträge zur Kenntnis der Flora Griechenlands; Beschreibung der anlässlich der 2. Wiener 

 Universitätsreise im April 1911 in Griechenland gesammelten Pflanzen. A: Antho- u. Pteridophyta 

 von F. Vierhapper III u. IV (Schluss); B: Leber- u. Laubmoose von V. Schiffner u. J. 

 Baumgartner. — Nalepa, A., Revision der auf Fagaceen u. Ulmaceen Gallen erzeugenden 

 Eriophyinen. — S t r a s s e r , P., 7. Nachtrag zur Pilzflora des Sonntagberges, Schluss. u. s. w. 



Band 69, jetzt vollständig, 609 pg. m. 8 Tafeln u. Fig. (Preis für Nichtmitglieder Er. 20.) 



Nafeurae Novitates. Jahrg. XLII, No. 13 u. 14. R. Friedländer & Sohn in Berlin. 



