RECENSIONI 



Harvey-Gibson. — On the Development of the Sporangia in Bliodochor- 



ton Rothii Naeg. and R. Jloridulum Naeg. ; and a new Species of 



tbat genus. 

 Harvey-Gibson. — A revised list of the Marine Algae of L. M. B. C. 



District. — Trans. Biol. Soc. rpool. Voi. V 1891. 

 Harvey-Gibson. — Notes on the Histolotry of PoJysiphonia fastigiata 



Croth.) Grev. w. 1 piate. — Journal of Botany. — Mars 1891. 

 Murray G. — On Cladothele H. et H. (Stictyosiphon K.) w. 1 piate — 



Journal of Botany. — July 1891. 

 M. Foslie. - Contribution to Knowledge of the Marine algae of Nor- 



way — by Foslie edit. 1891. 

 Goroschankin. — Beitrage zur Kenntniss des Morphologie und Syste- 



matik der Chlamydomonaden — I.° Chi. Braunia, Bulletin de la 



Soc. Imp. des Naturalistes de Moscou, N. 3, 1890. — II. ° Chi. 



Reinbardtii. 

 Golenkin M. — Pteromonas alata Colin. — Bull, de la Société Imp. dts 



Naturalistes des Moscau N. 2 1891. 

 Maule Herbert Richardes. — On the structure and development of Cho- 



reocolax Polysipìioniae Beinsch — Procedings Amencan Academy vf 



Arts and Sciences. June 1891. 

 Deniega Vaierian. — Der Gegenwàrtige Zuàtand unserer Kentnisse ùber 



der Zellinhait der Phycochromaceen. — Moscau 1891. 

 Stockmayer S. — Ueber d. Algengattung Gloetenium K. K. zoolog.-bo- 



tanischen Gesel. in Wien 1891. 

 Reinboid Th. — Sargassen vom Indischen Archipel - Annales du Jardin 



Botanique de Buitenzorg. — Leide 1891, 



M. Hai'vey-Gribson dan.s un courte notice sur le déve- 

 loppement des tótrasporanges dans le geiire Rliodocorion, 



