90 SUMMARY OF CURRENT RESEARCHES RELATING TO 



Diatoms and Plankton from the Faeroes.* — E. Oestrup enumerates 

 182 species from these islands. The material at his disposal consisted 

 of the collections of Borgesen and Helgi Jonsson, and included 136 

 gatherings from different localities. The following genera are the most 

 characteristic of the whole : Amphipleura, Cocconeis, Fragilaria, Gom- 

 yhonema, Grammatopliora, Licmophora, Navicula, and Synedra. A list 

 is given of the species most frecptently found in localities exposed to 

 the open sea, and it is pointed out that there exists no slight resemblance 

 between the genera characteristic of the Faeroes and of Greenland. 



C. H. Ostenfeld gives a list, accompanied by critical notes, of 54 

 diatoms found in the marine plankton round the Faeroes. Tables are 

 also drawn up giving for each species the locality, date, temperature C°, 

 and salinity pro mille. Notes are given on the geographical distribution 

 of the species. An account of the Peridiniaceas is included. 



Foslie, M. — New Species or Forms of Melobesieae. 



[The author describes four new species of these coralline algae, and four new 

 forms of already existing species. They all occur on the western coast 

 of North America.] K. Norslce Vidensh. Sets. Shrift., 1902, No. 2, 11 pp. 



Karsten, G. — Zur Frage der Auxosporentypen. (On the types of auxospores.) 



[A criticism on Meretckkowsky's views concerning auxospore formation. 

 Among other points, the author denies that auxospores are entirely a 

 condition of growth, and maintains that the periods of the first auxospore 

 formation and those of its growth are quite distinct.] 



Bot. Zeit., ii. (1903) pp. 306-11. 



Pa ji pal on i, L. — Sopra un singolare modo di comportarsi di un' alga, allorche 

 venga coltivata in determinate sostanze nutritizie. Nota preliminare. (Pre- 

 liminary note on the curious behaviour of an alga when cultivated on certain 

 nutritious substances.) 



[Cultivation of Protococcus calda riorum-'] 



Nuov. Giorn. Bot. Ital, x. (1903) pp. G02-5 (with figs, in text). 



Pekagallo, H.—Diatomees marines de France. (Marine diatoms of France.) 



[A continuation of a former paper, and describes fifteen species and three 

 varieties of Campylodiscm.~] 



Le Micrographe Prcparatcur, >.i. (199") pp. 18G-9. 



Tilden, J. E. — Algae collecting in the Hawaiian Islands. 

 [An account of the author's experiences.] 



Postehia, 1902, pp. 135-75. 



De Toni, G. B., & Achille Fokti — Pugillo di Diatomee bentoniche del Lago 

 Ngebel (Giava). (Small collection of Benthon-Diatoms from Lake Ngebel, in 

 Java.) 



[List of 24 diatoms, with notes and bibliography.] 



Bull. Soc. Bot. Ital, 1903, pp. 133-41. 



Fungi. 



New Chytridinea9,t — F. E. Fritsch has found parasitic on a fresh- 

 water alga two species of RestkuJaria, one of them already recorded by 

 Dangeard, the other new to science, which he names R. Boodlei. The 

 fungus occupies the cells of the host from which hyphse pass out into the 

 open, branching and forming spores. No zoospores were seen. 



* Bot. of the Faeroes, pt. ii. (1903) pp. 533-611. 

 t Ann. Bot., xvii. (1903) pp. 649-G4 (1 pi.). 



