1582 p r- v - Wettstein: Algen (inkl. Bacillariaeeen) 1912. [84 



464. Rhopalodia gibberula (E.) O. Müller var. incisa Pantocsek, Bacill. lac. 

 Peieonis, Pressburg 1912. Neusiedler See. 



465. R. ingens Meister, Kieselalgen 1912. p. 201. taf. XXXV, fig. 7. 

 Schweiz. 



466. R. linearis Pantocsek, Bacill. lac. Peisonis, Pressburg 1912. Neusiedler 

 See. 



467. R. parallela 0. M. var. major Meister, Kieselalgen 1912, p. 202, taf. XXXV, 

 fig. 9. Schweiz. 



468. var. minor Meister, 1. c, taf. XXXV, fig. 10. Schweiz. 



469. R. Peisonis Pantocsek, Bacill. lac. Peisonis, Pressburg 1912. Neusiedler 

 See. 



470. Rhynchoidomonas Lesnei (Leger) Alexcieff, Arch. Zool. exper. et g£ne>., 

 tome IX, 1912, Notes et Revue, p. XXXVI. 



471. Scenedesmus hystrix Lagerh. var. quadricaudatus v. Alten, 17. Jahresber. 

 d. Ver. f. Naturwiss. Braunschweig, 1912, p. 8, fig. 8. Querumer Holz 

 (Braunschweig). 



472. — var. regularis v. Alten, 1. c, fig. 7. Ebenda. 



473. Scoliopleura peisonis Grün. var. producta Pantocsek. Bacill. lac. Peisonis, 

 Pressburg 1912. Neusiedler See. 



474. Scotk'lla antarctica Pritsch, Journ. Linn. Soc, vol. XL, 1912, p. 304, 

 taf. X, fig. 7-17; taf. XI, fig. 1, 4, 6 Sc. South Orkneys (Antarktik). 



475. Sc. polyptera Fritsch, 1. c, p. 308, taf. X, fig. 18-21. South Orkneys 

 (Antarktik). 



476. Scourfieldia complanata W. West, Journ. of Bot., vol. L, 1912, p. 326, 

 fig. 3. England (Leyton Fiats, Essex). 



477. Scytonema amplum W. et G. S. West var. hibernica W. West, Proceed. 

 Eoy. Irish Acad., vol. XXXI, 1912, p. 44. Irland. 



478. Sirodotia suecica Kylin, N. Acta reg. soc. sei. Upsala, ser. 4, vol. III, 

 1912. Schweden. 



479. Sphaerocystis Schröteri Chod. forma nivalis Fritsch, Journ. Linn. Soc, 

 vol. XL, 1912, p. 314, taf. XI, fig. 2 S. textfig. F-G. South Orkneys 

 (Antarktik). 



480. Spirogyra angustissima G. S.West, Journ. of Bot., 1912, Bd. L, p. 79 — 89, 

 fig. Albert Nyanza (Afrika). 



481. Sp. inconstans Collins, Tufts College Studies, vol. III, 1912, p. 73. Nord- 

 amerika. 



482. Sp. longata forma inaequalis v. Alten, 17. Jahresber. d. Ver. f. Naturwiss. 

 Braunschweig, 1912, p. 8, fig. 4. Riddagshausen. 



483. Sp. ortlwspira Naeg. forma purpurea Collins, Tufts College Studies, 

 vol. III, 1912, p. 73. Nordamerika. 



484. Sp. porticalis (Müller) Cleve var. tenuispira Collins. Tufts College Studies, 

 vol. III, 1912, p. 72. Nordamerika. 



485. Sp. Tjibodensis Faber, Ann. Jard. bot. Buitenzorg XXVI, 1912, p. 258 

 bis 265. Java. 



486. Spondylosium planum, (Wolle) W. u. G. S. West, Journ. Linn. Soc. Bot., 

 vol. IL, 1912, p. 430, taf. XIX, fig. 5-8. England. 



487. Spongomorplia areta (Dillw.) Kütz. forma limitanea Collins, Tufts College 

 Studies, vol. III, 1912, p. 97. Nordamerika. 



488. Staurastrum disputatum W. a. G. S. West. A Monogr. of the Brit. Desmid 

 London 1912. Irland, Afrika, Südamerika. 



