COPY 



Uppsala, February 11,1952 



Dr. H.A. Imshaug, 

 F^rlow Herbarium, 

 Harvard University, 

 20 Divini ty Ave. , 

 Cambridge, 

 Mass. ,U. S.A. 



Dear Mr.Imshaug; 



I have your letter of Febr.4 . As I have access to a ccmy of 

 KOEKBER's' Parerga as iesued wlth the covers of the separate parts ("Lieferungen" ) 

 still <bn their places, I can give you the dates. 



Fart 1 (pp, 1-96) was printed 1859. The author gives on the 

 cover an "Ankündigung" , and this is dated July 1859. 



Part 2 (pp. 97-192) was printed in 1860. 



Part 3 (pp. 193-288) was printed in 1861. The author advertises 

 on the cover 8 fascicules of his "Lichenes selecti 11 and this advertisement is 

 dated July 14, 1861. 



Part 4 (pp. 289-384) was printed in 1863. 



Part 5 (pp. 385-501) was printed in 1865. 



Yours sincerely, 



J. A. Nannfeldt 



From the Institute of Systemati c Botany of the University of Uppsala. 



