eVl PKOCEEDINGS OF THE 



A. Ohlert. Synopsis of the Lichens of the province Prussia. — 

 Lichenological aphorisms. Mem. E. Phys. Econ. Soc. Konigsherg, 

 1870. 



E. O'Meara. Recent researches in Diatomaceae. Journ. Bot. 1872. 



Gr. Passerini. Enumeration of Parmese Fungi. Nuov. Giorn. 

 Bot. Ital. iv. 



— Peyritsch. On some fungi belonging to the family Laboulbenise. 

 Ann. Nat. Hist. Ser. 4, viii. 



N. Priugsheim. On the copulation of zoospores, with remarks 

 by De Bary, 2 plates. Ann. Sc. Nat. Bot. Ser. 5, xi. 



M. Peess. On the raising of Collema glaucescens, Hoffm., by 

 sowing its spores on Nostoe lichenoides, 1 plate. Monatsber. Acad. 

 Sc. Berlin, 1871. 



E. Rose and M. Cornu. On two new generic types of Sapro- 

 legnieae and Peronosporese, 2 plates. Ann. Sc. Nat. Bot. Ser. 5, xi. 



J. T. Rostafinski. On the pairing of zoospores. Bot. Zeit. 1871. 



C. Roumeguere. On MeruUus destruens, Pers., and Polyporus 

 obducens, Pers., Hymenomyceta destructive of wood-work. Bull. 

 Soc. Bot. Fr. xviii. 



E. Schmitz. On the structure of the auxospores of Cocconema 

 dstula. Bot. Zeit. 1872. 



S. Schulzer v. Muggeuburg. On Eungi on the branches of 

 Quince-trees. Trans. Zool. Bot. Soc. Vienna, xxi. 



S. Schwenderer. On Gonidia, 1 plate. Flora, 1872. 



H. Slack. On Podisoma fuscum and P. juniperi, 1 plate. Monthl. 

 Microsc. Jouni. vii. 



N. Sorokine. Researches on the development of Hylicostyhim 

 Muscce, 1 plate. Bull. Soc. Imp. Nat. Mosc. 1870, ii. 



J. G. Tatem. On the conjugation of Amoeba. Monthl. Microsc. 

 Journ. vi. 



A. Trecul. On the position of tracheae in Ferns. — Ramification of 

 the rhizome of Aspidium quinquangulare. — On the proper vessels 

 and on the tannin of some Ferns. Ann. Sc. Nat. Bot. Ser. 5, xi. 



G. de Yenturi. Mosses collected by 0. Beccari in Abyssinia. 

 Nuov. Giorn. Bot. Ital. iv. 



A. Weiss. On the structure and nature of Diatomaceae, 2 plates. 

 Proc. Acad. Sc. Vienna, Ixiii. 



Palaeontology : — 



— Allmann. On the morphology and affinities of GraptoHtcs. 

 Ann. Nat. Hist. Ser. 4, ix. 



