10 THE MARINE ALGAE OF PERU 
which seemed to have a direct bearing upon the determination of 
Dr. Coker’s material. In this connection we are especially in- 
debted to the never-failing patience and courtesy of Messrs. L. 
Mangin and P. Hariot of the Muséum d’Histoire Naturelle of 
Paris, where the specimens described by Bory and by Montagne 
are preserved, and of Mme. Dr. A. Weber-van Bosse, of Eerbeek, 
Holland, the possessor of the historic Kiitzing herbarium. We 
are under obligations also to Professor Dr. O. Nordstedt of the 
University of Lund, Sweden; Lt.-Col. Sir David Prain and Mr. A. 
D. Cotton of the Royal Botanic Gardens, Kew, England; Mr. A. 
Gepp of the British Museum (Natural History); to Drs. A. Voigt 
and W. Heering of the Hamburgische Botanische Staatsinstitute, 
Hamburg, Germany; Dr. R. Pilger of the Kónigl. Botanische 
Garten und Museum, Berlin-Dahlem; Professor Dr. N. Wille of 
the University of Kristiania; Professors W. G. Farlow and Roland 
Thaxter of Harvard University, Cambridge, Massachusetts; Dr. 
Achille Forti of Verona, Italy; and others. 
NEW York BOTANICAL GARDEN 
