2.26 
29. 
30. 
31. 
32. 
33. 
34. 
35. 
36. 
37. 
38. 
39. 
40; 
41. 
42. 
„43. 
44. 
45. 
46. 
47. 
48. 
49. 
0. 
öl. 
92. 
E. Pfitzer: Bacillariaceen. 
Heurck, H.von. Pleurosigma angulatum. (Bull. Soc. Belg. de Micr., VI, 1890, p. 10. 
5 Photogramme. — Vgl. J. R. Micr. S., 1890, .p. 497; Nuova Notarisia, 1890, p. 46.) 
(Ref. No. 3.) | 
—  Amphipleura pellucida and Pleurosigma angolatum. (9. R. Micr. S., 1890, p. 103, 
124.) (Ref. No. 3.) | 
— Structure of Diatom-valves. (Ebenda, p. 104, 260, 261.) (Bef. No. 3.) 
Imhof, O0. E. Notizia sulla Diatomee pelagiche delli laghi, in scnerale e su quelle 
dei laghi de Gineora e di Zurigo in special medo. (Notarisia, 1890, p. 996.) (Ref. 
No. 35.) 
Istvanffi, J. Algae nonnullae a beato E. Frivaldsky in Rumelia lectae (F. T., 
XIII, 1890, p. 67.) (Ref. No. 39.) 
— A meteorpapirrol. (Ebenda.) (Ref. No. 40.) 
Kain, C. H. and Schultze, E. A. On a fossil marine Diatomaceous Deposit from 
Atlantic City N. Y. (B. Torr. B. C., XVI, 1889, p. 71, 207. — Vgl. Bot. C., XLIII, 
1890, p. 159.) (Ref. No. 53.) PH: 
Karop, G. C. Some kritical remarks by Herr A. Grunow on the Oamaru Diatom 
papers of Messrs. Grove and Sturt, with annotations by E. Grove. (J. Quek. Micr. 
Club, 1889, p: 387.) (Nicht gesehen.) 
Kirchner, O. Für Deutschland neue Süsswasseralgen und neue Standorte derselben 
(Ber. D. B. G., VII, p. 140.) (Ref. No. 33.) 
Lanzi. M. Saggio di classificazione delle Diatomee secondo il sistema naturale. (Atti 
dell’ Acad. Pontif. dei Nuovi Lincei, T. XLIIL, 1890.) (Bef. No. 23.) 
— Diatomacearum naturalis et. methodicae dispositionis specimen. (Notarisia, 1890, 
p: 1017.) (Ref. No. 23.) | 
Levi-Morenos, D. Alcune idee sulla evoluzione difensiva delle diatomee: in rapporto 
con la diatomofagia degli animali acquatici. (Boll. d. Soc. ital. dei microscopisti, 
vol. I, fasc. 3; Acireale, 1890, p. 103—118. — Vgl. Nuova.Notarisia, 1890, p. 53.) 
(Ref. No. 15.) 
—  Quelques idees sur l’&volutions defensive des Diatomees. (Notarisia, 1890, p. 1007. 
— Vgl. Nuova Notarisia, 1890, p. 236.) (Ref. No. 15.) 
— Nuovi materiali per la diatomologia: veneta. (A. Ist. Ven., ser. VII, T. 1, p.135— 
143.) (Ref. No. 38.) 
Mann, A. Classification, life-history, gathering and preparing Diatoms. (Amer, M. 
Micr.. J., 1890; No. 5. — Vgl. Nuova Notarisia, 1890, p. 236.) (Ref. No. 9, 24.) 
Mason, N. J. Cleaning Diatoms from sand. (J. New York Mier. Soc, V, 1889, 
p. 116. — Vgl. J. R. Micr. $., 1890, p. 112.) (Ref. No. 63.) 
Möbius, M. Ueber einige in Portorico gesanımelten Süsswasser- und Luftalgen. 
(Hedwikio, 1888, p. 221.) (Ref... No. 46.) 
Moles, J. J. Cleaning Diatoms. (Mier. Bull. of Philadelphia, 1890. — Vegl. Nuoya 
Notarisı, 1890, p. 52.) (Ref. No. 70.) 
Müller, O. Bacillariaceen von Java. I. Mit 1. Taf. (Ber. D. B. 6. VIII, 1890, p. 
308.); (Ref. No. 13.) 
Nelson, E. M. Structure of the Diatom-valve (Journ. Quek. mikr. Club, 1890, p. 
244. — Vgl. Nuova Notarisia, 1890, p. 236.) (Ref. No: 8.) 
— The formation: of images in the Pleurosigma formosum. (J.R.Micr. S., 1890, p. 261 
273.) (Ref. No. 6.) 
— The substage condenser, its history, construction‘ and managements; and. its 
effect theoretically considered. (J. Quek. Micr. Club. IV, 1890, p. 116. J. R. 
Micr. S., 1890, p. 90.) (Ref. No. 7.) 
Nott, E. S. Cleaning Diatoms. (Amer. m. Micr. J., 1890, p. 31. —: Vgl. Nuova Nota- 
risia, 1890, p:. 55.) (Ref. No: 69.) 
Onderdonk, C: Movements of Diatoms. (The; Microscope X,:1890,; p: 225, J., 
d. Micr., 1890, p. 270.) (Ref. No.. 10.) 
