5 GO SUMMARY OF CURRENT RESEARCHES RELATING TO 



Sicilian Marine Algae.* — A. Mazza continues his list of marine algae 

 from Sicily, and enumerates genera and species of Fucoidere, Chloro- 

 phycese and Cyanophycese. Critical notes are appended to many of the 

 species named, the numbers of which are continued from 140 to 21G. 



Bourgon, D. — Faniille des Cryptomonadinees. Suite. (Family of the Cryptomona- 

 dinea).) [Continuation.] Microgr. Prepar., xii. (1901) pp. 27-31. 



Butschli, O. — Notiz uber die sogenannte Florideenstarke. (Note on the so-called 

 Florideau starch.) Verli. d. uaturhist.-mediz. Yer. Heidelberg, vii. (1904) 



pp. 519-28. 



Cozette, M. P. — Catalogue des algues terrestres et d'eau douce du Nord de la 

 France. (Catalogue of terrestrial and fresh-water algse of North France.) 



C. It. Congr. Soc. Sav. Bordeaux, 1903, pp. 254-328. 



Cronhetm, W. — Die Bedeutung der pflanzlichen Schwebeorganismen fur den Sauer- 

 staffhaushalt des Wassers. (The importance of vegetable floating organisms for 

 the oxygenation of water.) For-chungsber. Biol. Stat. Flon, xi. (190i) 



pp. 27G-88. 

 De Ton i, G. B. — Intorno ad alcune Bangia di Bory e di Zanardini. (Concerning 

 certain species of Bangia of Bory and of Zanardini.) 

 [A reprint of a paper previously noticed.] 



Nuov. Notar., xv. (1904) pp. 150-4. 



Diederichs, K. — Die Diatomeenpraparation. (Preparation of diatoms.) 



Nerthus, vi. (1904) pp. 153-G. 



Ewald, W. F. — Der Planktonfang im Stisswasser. (Plankton collecting in fresh- 

 water.) Tom. tit., pp. S8 90. 



Fournier, P. — Phycologie francaise, suite. (Phycology of France, continued.) 



Feuille Jeunes A'af., xxxiv. (1904) pp. 181-5. 



Garb in i, Adriano — Per orientarsi nella nomenclatura degli studi concernenti 

 la vita delle acque dolci. (An attempt to obtain a better understanding of the 

 nomenclature of studies concerned with fresh- water life.) 



La Nuov. Notar., xv. (19C4) pp. 93-114. 



Keissler, K. von — Das Plankton des Millstatter Sees in Karnten. (The plank- 

 ton of Millstatter lake, in Carinthia.) 



Oesterr. Bot. Ze.tschr., liv. (1904) pp. 218-24. 



KiiASKOwiTZ, G. — Ueber norwegische Alpenvegetation. (On the Alpine vegeta- 

 tion of Norway.) Verli. Zool. Bot. Get-ell. Wien, liv. (1904) pp. 126-9. 



Lemmermann, E. — Beitrage zur Kenntniss der Planktonalgen. XVII. Ueber die 



Entstehun^ neuer Planktonformen. XVIII. Notigen zur 

 Sysiematik einiger Formen (Chrysosphaerella longispina 

 Lauterborn ; Micractinium Fres. ; Conniella Schroeder.) 

 (Contributions to our knowledge of the Plankton-alga?. 

 XVII. On the origin of new Plankton forms. XYI1I. 

 Notes on the systematic position of certain forms ) 



Btr. Deuts h. Bot. Ge>ell., xxii. (1904) pp. 17-22. 



„ „ Das Plankton Schwedischer Gewasser. (The plankton of 



Swedish waters.) Arlriof. Botan., ii. (1904) pp. 1-209 



(2 double plates). 



., „ Beitrage zur Kenntniss der Planktonalgen. XIX. Das Phyto- 



plankton der Ausgrabenseen bei Plon. (Contributions to 



om knowledge of planktonaly;a>. XlX. The phytoplankton 



of the Ausgraben lakes at Plon.) 



Forschungsber. Biol. Stat. Plon, xi. (1904) pp. 289-311 (17 text figs.). 



* Nuov. Notar., xv. (1904) pp. 115-49. 



