ZOOLOGY AND BOTANV, MICROSCOPY, ETC. 197 



part 86 new species are described, of which 82 are diatoms, and one 

 represents a new genus of Halosphasraceae. The author takes special 

 note of the form and position of the chromatophores as a systematic 

 character. 



Bulgarian Algae.* — St. Petkoff gives a list of 89 fresh-water algae, 

 not including Diatoms, collected in three localities on the heights of the 

 Rila in Bulgaria. Twenty -four species are new records for Bulgaria. 

 The same author f records, with critical notes, some marine and brackish 

 water algae from the Bulgarian shores of the Black Sea, from Atlinan to 

 Douran-Koulak ; the list contains 49 species. 



Peridineae.J — Gr. Entz publishes an account in German of the prin- 

 cipal points contained in two papers which have already appeared in the 

 Hungarian language. The first contains an enumeration of Peridinea?, 

 Silico-flagellatae and Bacillariaceae from the Quarnero, together with 

 remarks on the plankton of that part, with especial regard to the varia- 

 tion of the Ceratia. The second of the Hungarian papers consists 

 of two parts, of which only the second is published here. It contains 

 observations on various morphological conditions, on the division, 

 development and homologies of Phalacroma Jourdani, Geratocorys 

 horrida, and the genus Ceratium. 



Chase, H. H. — Flora micbiganensis . Algae; Diatomaceae. 

 [A list of Michigan Diatomaceae.] 



Ann. Rep. Mich. Acad. Sci., v. (1904) pp. 166-9. 



Elenkin, A. — Beschreibung der neuen Art: Lithothamnion murmanicum Elenkin. 

 (Description of a new species.) 



[Found at a depth of 20-100 feet off the Murman coast ; is distinguished 

 from all allies by its two-spored sporangium, and belongs to the group 

 Evanidse. Its habit is much influenced by physical factors.] 



Bull. Jard. Imp&r. Bot. St. Pttersbourg, v. 5, 6 (1905) pp. 189-94. 



G u e g u e n, F. — Sur la conservation des algnes d'ean douce. (On the preservation 

 of fresh-water algae.) Bull. Sc. Pharm., xii. (1905) p. 289. 



Hubeb, G. — Monographische Stndien im Gebiete der Montigglerseen (Sud Tirol) 

 mit besonderer Berucksichtigung ihrer Biologie. (Schluss.) (Monographical 

 studies in the region of the Montiggler Lakes in South Tyrol, with special 

 regard to their biology. Conclusion.) 



Arch. Hydrobiol. u. Plankton, i, 2 (1905). 



Mazza, A. — Saggio di Algologia Oceanica. (Essay in oceanic algology.) 



[A continuation. Deals with the genera Scinaia, Oalaxaura, Chcetangium, 

 Choreocolax, and Wrangelia.'] Nuov. Notar., xvii. (1906) pp. 1-13. 



Migula, W. — Kryptogamen-Flora. Algen. (Cryptogamic-flora. Algae.) 

 [Diatomaceae : Campykmeis to Diploneis.'] 



TJwmi's Flora von Deutschland, vi. lief 25, pp. 209-24 (5 pis.). 



Gera : Zezschwitz, 1905. 



Motti er, D. M.— The Development of the Spermatozoid of Chara. 



Proc. Ind. Acad. Sci., 1903-4, p. 137. 



* Period. Spissanie, lxvi. (1905) pp. 222-39. 



t Ann. de l'Universite de Sofia, i. (1905) pp. 168-80. 



J Math. Naturwiss. Ber. Ungarn, xx. (1902). Leipzig, 1905, pp. 96-144 (66 figs.). 



