Algae and ScMzophyceae. 678 



Tyson. 75819. New South African 

 marine algae. 



Ulbrich. 75855. Pflanzenwelt. 



Volkov. 76023. Eine neue Siiss- 

 Tvasserfloridee Laiirencia Fernovi. 



Wailes. 70083. Desmids from alpine 

 stations in Colorado. 



Welsford. 7G183. Morphology of 

 TricJiodiscus e'.eqans gen. et sp. nov. 

 [from North Carolina]. 



West, G. S. 76204. Algological 

 notes. V. — A diatomaceous earth from 

 Rhodesia. VI. — 8orae African Algae 

 ;[n. sp.]. VII. — Algae froni Queensland. 

 VIII. — Sele^iastrum acuminatum La- 

 gerheim. IX. — A new species of Eu- 

 ^strum [E. laticolle, from Westmore- 

 land]. X. — Two species of Oedogonium, 

 •origin of the dwarf males. XI. — 

 Resting-spores of Sui'irella spiralis 

 Kiitz. XII. — A new genus of Volvo- 

 •caceae [Sconrfieldia]. XIII. — New and 

 interesting British Freshwater Algae. 



West, W. 76205. Fresh-water algae 

 and marine diatoms (Clare Island 

 Survey, 16). 



and West, G. S. 76207- 



Periodicity of the phytoplankton of 

 some British lakes, [n. spp.] 



and West. 76208. British 



Desmidiaceae. 



WiUe. 76258. Entwicklung von 

 JJlothrix flaccida Kiitz. 



Wisselingh, van. 76299. Caroti- 

 noids in plants. 76300: Karyokinesis 

 in Eunotia major Rabenh. 76301 : 

 Zellwand von Closterium. 76302 : 

 Kernstruktur und Keriiteilung Lei 

 Closterium. 



Woloszynska. 76332, 31. Varia- 

 bilitat der Planktonalgen der poluischen 

 Teiche. (Poln.) 



■ — - et Raciborski. 70335. 



Phycotheca Polonica. 



Yamanouchi. 76360. The life history 

 ■of Cutlcria. 



Zahlbruckner. 76389. Schedae ad 

 " Kryptoganias exsiccatas " editae a 

 Museo Palatino Vindobonensi. 



Zeh. 76410. Neue Arten der Gat- 

 iung Liagora. 



Zenker. 76415. Algenflora des ost- 

 falischen Berg- und Hiigellandes und 

 der Nordspitze des Harzes. 



7400 



SYSTEMATIC. 



ALGAE. 



General. 



Amman. 09774; Babit. 69871; 

 Bachmann. 69883, 84; Boergesen. 

 70237 ; Bonnier. 70284 ; Brutschy. 

 70489 ; Chodat. 70704 ; Collins. 

 70783 ; Combes. 70787 ; Comere. 

 70792, 93 ; Coulon. 70849 ; Coupin. 

 70857 ; Drege. 71115 ; Dlibrovin, 

 Kaminskij und Pesudov. 71145 ; 

 DvoLvK. 71185 ; Engel. 71264 ; 

 Friedrich u. Heiden. 71509; Greger. 

 71818; Griffiths. 71861; Guernsey. 

 71921; Guignard. 71928; Herdman. 

 72157 ; Howe. 72331 ; Hundeshagen. 

 72360 ; Johnson. 72501 ; Jonsson. 

 72516; Klugh. 72670,77; Kolkwitz. 

 727.34, 35; Kylin. 72877,^ 79, 82; 

 Lemoine. 73008 ; Le Touze. 73037 ; 

 LiicKE. 73247; Lutz. 73-320; Mazza. 

 73523 ; Migula, 73596 ; Naumann. 

 73857 ; Oes. 74022 : Ostermeyer. 

 74067; Pascher. 74158; Pilger. 

 74314; Pringsheim. 74407; Quirmbach. 

 74.526; Richter. 74671; Robbins. 

 74716 ; Rosenbi.at-Lichtenstein. 74782 ; 

 Satina. 74926 ; Scheibener. 75003 ; 

 Schmidt. 75070 ; Schneider. 75093, 

 95 ; Schroder. 75134 ; Teiling. 

 75046 ; Todoresgo. 75725 ; Tunmann. 

 75835 ; Ulbrich. 75855 ; Wisselingh. 

 70301; WoLoszYNSKA. 76332, 31; 

 WoLoszY-NSKA & Raciborski. 76335 ; 

 Zenker. 76415. 



Special. 



Acetabularia [Dasycladaceae]. 



Arnoldi. 69836. 



Actinoclava n. gen. [Diatomaceae]. 

 MiJLLEu. 73747. 



Aeronemum [Ulotrichaceae]. Snow. 

 75393. 



Agloen. gen. [Volvocaceae]. Pascher. 

 74156. 



Amphora [Diatomaceae]. Lacsny. 

 728891 Meister. 73535. 



Anabaena [Nostocaceae]. Forti. 

 71538. 



Ankistrodesmus. [Pleurococcaceae]. 

 West. 76205,07; Collins. 70784. 



Aphanizomenon [Nostocaceae]. 



Forti. 71538. 



