CXXVIII 



17, 169 



29. A collection of about 300 small tubes of cleaned raaterial from 

 Walker-Arnott collection, with MS. list of the species contained 



in each of the gatherings by Walker-Arnott and 600 slitles of ditto. 600 



30. A large amount of crude Diatora material fossil, as well as recent, 

 from all parts of the globe, including many rare soundings 

 from the «Challenger.», «Buccaneer», «Alert» Expeditions etc. 



as also supplements to list. approx. 5,000 



Total 22, 769 



NOTE 



The above collection of Diatoras as stated, comprises over 20,000 slides ar- 

 ranged alpha"betically in over 600 numbered book-shaped boxes so as to be rea- 

 dily referred to. The number of named Diatoms catalogued in the MS. lists amo- 

 unts to over 25,000. A general alphabetical catalogue of the whole collection 

 has been prepared. The spread slides some 6,000 in number are classed al- 

 phabetically according to name of Locality. 



II. America. 



1. Thos. Christian. Richmond. Va. 



2. Collection Peticolas. Richmond. Va. 



3. Prof. Kain. Philadelphia. 



4. Schultze E. A. New York. 



5. Collection Stanley. Boston. 



6. Smith H. L. Prof. Geneva. N. Y. 



7. Collectien Dr. Ward D. B. Poughkeepsie. N. Y. 



8. Collection Dr Beck. Holyoke. 



9. Musde de la Soc. hist. nat. de Boston. Devrait contenir tous les types 



de J. W. Bailey, mais la plupart ont ete" voles. 

 10. Christian Febiger. Wilmington. Del. 



III. Germania. 



1. Weissflog. Dresden. 



2. Otto Witt. Berlin. 



3. Janisch. Seisen. 



4. Schmidt A. Ascherleben. 



5. Thum E. Leipzig. 



6. Moeller. Weddel. 



7. The Berlin museum, where J am informed, Ehrenberg' s Collections have 



been hid from the public. 



IV. Austria-Hungraria. 



1. Grunow. Berndorf. Austria. 



2. Pantocsek. Tavarnok. Hungaria. 



