Palaeontologie. — Algae. 539 



Among the Angiosperms new species are described in Cypera- 

 cites, Menispermites and Sassafras. The genera Proteaephyllnm , 

 Rogevsia and Ficophyllum are regarded as very doubtfully related 

 to the angiosperms and the Suggestion is made that they probably 

 represent Lower Cretaceous Gnetales. 



All of the genera are fully discussed and a number of Lower 

 Cretaceous fern spores as well as epidermal preparations are ligured. 



Berry. 



Mc Lean, R. C, A group ofRhizopods from the Carbon i- 

 ferous Period. (Proc. Cambridge phil. Soc. XVI. 6. p. 493—513. 

 6 textfisfs. 1912.) 



*& k 



Although regarded by the author as a preliminary account, the 

 present paper is the most exhaustive yet published on the minute 

 Coal measure organisms of which the best known genera are Tra- 

 quairia and Sporocarpon. The specimens have been found in Coal 

 balls from all the different localities, including the Lower carboni- 

 ferous Burntisland material, but are particularly common in the 

 Halifax Hard Bed. 



The author first discusses the various and conflicting views 

 which'have been held regarding these organisms, and concludes that 

 some of the Radiolaria figured in the Challenger Report are the 

 most suggestive among recent organisms, of a clue to the nature 

 of the carboniferous ones. The author adopts Prof. Dendy's Sug- 

 gestion that they form an extinct group of Protosoa allied provision- 

 ally to the Radiolaria. The author then re-describes a number of 

 known species and some new ones, and gives a Classification ofthe 

 group. 



This paper finally demolishes the views of the vegetable spore 

 nature of the organisms, and hands them over therefore to the 

 zoologist. M. C. Stopes (London). 



Bailey, L. W., The fresh water diatoms and diatoma- 

 ceous earths of New Brunswick. (Bull. nat. Hist. Soc. New 

 Brunswick. VI. p. 291-320. 1 pl. St. John, 1911.) 



The author gives lists of the diatoms found in the fresh-waters 

 of New Brunswick, also from several stations in the more or less 

 saline waters of the Lower St. John river and the Kennebe- 

 casis. The distribution and habitat of these is fully displayed in 

 tabulated form; and 45 of them are figured on the plate. Notes are 

 added on the question of the occurrence of marine species at con- 

 siderable distances from the sea, on surface temperature, salinity of 

 water, etc. Finally lists of the diatomaceous contents of infusorial 

 earths or "Tripolite" from four lacustrine deposits are added. 



Ethel S. Gepp. 



Bailey, L. W., The Marine and estuarine diatoms ofthe 

 New Brunswick coasts. (Bull. Nat. Hist. Soc. New Brunswick. 

 VI. p. 219—240. 2 pl. St. John, 1910.) 



The author after a lapse of 50 years has returned to a study of 

 diatoms. Starting with an introductory sketch of the structure and 

 life-history of diatoms, their economic and geological importance, 

 etc., he gives a systematic list of all the marine and estuarine spe- 

 cies hitherto observed alon^ the coasts of New Brunswick. A brief 



