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herbals and Dutch horticultural books, among them an inter- 
-esting copy of the “ Herbarius Kruidboeck in dietsch” printed 
in Antwerp in 1509. The Botanic Garden there is small but 
quite charming, and I had the pleasure of being shown over it 
by the Director, Dr. H. Van Heurck, through whose personal 
efforts the Garden was established and maintained until it was 
acquired from him by the city. It contains many interesting 
plants and some fine old trees. A Mandragora in fruit was 
exhibited with pride and in the greenhouse a superb Cycad, 
Encephalartos Altensteinti, Dr. Van Heurck also showed me his 
private laboratory and library and his extensive and valuable col- 
lection of microscopes old and new. His collection of diatoms 
is perhaps one of the largest and represents many years of labor. 
Dr. Van Heurck requested us to send him American marine 
Algae in exchange for those he has recently collected in the 
Channel Islands and adjacent French coast. He also arranged 
with me for an exchange of Algae with Mr. Jean Chalon of St. 
Servais, Belgium, who is collaborating with him in his studies of 
French Marine Algae. 
A long visit was paid to the Musee Plantin-Moretus where, 
through the courtesy of the Conservateur, M. Max Rooses, I 
was allowed to inspect the Library and many of its natural his- 
tory books. This famous and unique museum is established in the 
buildings that were occupied from 1576 to 1876 by the illus- 
trious printer, Christophe Plantin, his son-in-law, Jean Moeren- 
dorf (Moretus) and the latter's descendents. In 1876 the city of, 
Antwerp purchased the property with all its printing plant and 
extensive artistic collections, from the heirs of the Plentin-Moretus 
family, and now maintains it, in its original condition of combined 
residence and printing establishment, as a public museum. Chris- 
toph Plantin, a Frenchman by birth, head and founder of the 
famous house, was born some time about 1514, and in 1576 estab- 
lished the printing press that for three centuries bore his name. 
Through political changes and vicissitudes the establishment was 
maintained and collections of all kinds, books, pictures, furni- 
ture and tapestries were accumulated by its wealthy and pros- 
perous owners. In one of the libraries is preserved a nearly 
