LX 



WiTTROCK V. ot NoRDSTEDT 0. — AlfrfT? aqupe dnlois oxsiecate pra?oipuo scnndinn- 

 xlc.iv, quas adjecti- alg-is marinis chloroph.yllaeeis et phycochromacois distri- 

 liuorunt Veit Wittrock et Otto Nordstedt fasc. 21 : Descriptiones systomatice 

 dispositio ot indox generalis nisciculoruni 1-20. — (Stockholniia^, O. L. Svan- 

 biicks, 1SS9). 



— Alg-ap aqua^ dulcis exsiccat;B pr<T?cipue Sc.uidinavicte quas adjoctis algis nia- 



rinis cldorophyllaceis etc. Fasc. 23 (n. ris 1051-1100) Fasc. 21 (n. 1101-1150). 

 — (Stockholmiffi 189.3). 

 WoLLE F. — Nostoc pruniforme. — (Botanical Gazette voi. XV, 1890, p. 24). 



~ Dosmids of the Ilnited States and list of American Pedia.strums: Now and 

 onhirgod edit., with Portrait and colour. plates. — (Betldehem, Pa., 1893). 



— l)iatomace:L> of North America, with 2300 figures from the authors drawing-.=! 



on 112 Phites. — (Bethlohom, Pa., 1890). 

 WooDS A. F. — Colcochpetacpfo, CharaceiP, witli platos. — (Flora of Nobraska Part 



II. — (Lincoln, Neb. U. S. A., 1894). 

 WooLM.\NN Lf,\vis. — An outcrop of fossil Diatoms near Slnkjh, N. J. — (Micr. Bul- 



h?tin p. 9, PhiL 1890). 

 Yasud.a. A. — Eug-lena viridis E. found in tlio Pond Shinobazu at tlio End of June 



lR9r,. — (The Botan. Mag-rz. of Tokyo Vol. X, 1896, N. 113, p. 21G-22J). 



— On tlio Accomodation of some Infusoria to the solutions of cortain substan- 



cos in various concontrations. — (Tlio Botanicid Mag-azino of Tokyo 1897, 

 p. 19 (79)), 

 Yatabe R. — IconogTaphia Flone japonica'. ^'ol. I, partll, with 20 platos. — (Tokyo 

 1892). 



— A new Japanoso Piasiola. — (Tho Botanical ALig-azine of Tokyo vol. V, n. 52 



June 1891, pag-. 187-189. plate XXV (ang-lice). Cfr. R. Yatabo Iconognqdiia 

 Flora? japonica^ vol. 1. part II (Tokyo 1892), p. 161-105, phite XL). 

 Z.\CHARL\.S E. — Ueber Bildung- und Waclisthum dor Zoliliaut boi Chara fa-tida. — 

 (Bor der doutschon botan. Gesellscliaft ^III, Gon.-^^ers. Hoft I, 1890, p. 

 (5(>)-(59)). 



— Ueber die Zollon der Cyanophycoen. — (Botanisclu> Zoitung Jahrg". XLVill, 



1890, Taf. I). 



— Uol)or dio Zollon der Cyanophycoon — (Botanischo Zoitung- 1892. n. 3-'. p. 



617-624). 



— On the C;olls of tho Cyanophycoae. — (British Assoc. for tho Advanc of Scion- 



C(\ Roport of tho Liverpool Moeting- 189()). 

 Zacharlvs O. — Zur Kenntniss dor niederen Tierwolt dos Riosong-obirgos nol st vor- 

 g-hichondon Ausblickon. - (Forschungren zur deutschen Laiidos- und \'olks- 

 kundo i:d. IV, H. 5, Pag. 399-433, Stuttgart 1890). 



— Reol)achtung;en am Plankton des Gr. Ploner Sees. — (Forschung'sl)or. aus d. 



Biolog-. Station zu Phin Th. 2. Pag-. 91-137, Borlin 1894). 



— U( bor dio wechsolndo (Juantitiit des Plankton im gTOSsen Plonorsoo. — (For- 



schungsber. iuis dor Biol. Stiition zu Phin Tludl lll, 1895, p. 97-117). 

 — Ueber die horizontale und vorticalo N(>rbroitung limnotischor Organisnio. — 

 (Ibidom p. 118-12-^). 



— Fortsotzung" der Beobachtungon iil)or dio Poi'io(licit;it dor Pliinkton-organis- 



men. — (Ibidem p. 129-144). 



