38 Gesellschaft natwforscfrender Freunde, Berlin. 



Leopoldina, Heft XXXIV. No. 11. 12; Heft XXXV, No. 1. 

 Naturwissenschaftl. Wochenschrift, Bd. XIII, No. 47-52; 



Bd. XIV. No. 2. 3, 4. 5, 7. 8. 

 Rendic. Accad. Sc. Fis. Mai, Ser. 3. Vol. IV. V. 

 Dep. of the Int. Bull. U. St Geolog Surv.. No. 88 u. 89. 

 Verh. Nat.-Med. Ver. Heidelberg. Neue Folge, Bd. VI, Heft 1. 

 Ann. K. K. Nat. Hofmus., Bd. XIII. No. 1. 

 Proc Transact. Nat. Hist, Soc. Glasgow, Vol. I, Part 1 -3; 

 Vol. II, Part 1—2; Vol. III, Part 1-3; Vol. IV. 

 Part 1—3; Vol. V. Part 1-2. 

 Anzeiger Akad. Wiss. Krakau 1898, October-December. 

 Bull. Un. Stat. Geolog. Survey. No. 149. 

 Journ. Micr. R. Soc. London 1898. Part 6. 

 Commissäo Geogr. e geol. Sao Paulo 1893—1897. 

 Report Secretary of Agriculture 1898. 

 Proc. Canad. Instit. Toronto, vol. 1. pari 6, No. 6. 

 Trans. Acad. Sei. St. Louis, vol. VII. No. 17—20; vol. VIII, 



1-7. 

 Kansas. University Quarterly, vol. I, 1. 3, 4; II, 1—4; 



III. 1-4; IV, 1-4; V, 1, 2; VI, 1-4; VII, 1, 2. 

 Bollet. Pubbl. Ital. 1898, 309-311; 1899, 315. 

 Annuaire Mus. Zool. Petersburg 1898, No. 1, 2. 



Als Geschenke wurden dankbar entgegengenommen: 

 Coulteu, The origin of Gymnosperms and the Seed habit. 



Arch. Instit. Botan, vol. I. 

 Gravis, Recherches anatoraiques et physiologiques sur le 



Tradescantia virginka. Bruxelles 1898. 



J F. Starcke, Berlin W 



