REVIEWS 191 



ARABIS PETR^A, LAM., VAR. GRANDIFLORA, DRUCE. By Ar. 

 Bennett. Journ. Bot., April, p. 114. This form, named by Mr. 

 Druce from Scotch examples, is shown to be the same as var. 

 ainbigiia, Regel. Widely distributed in the Arctic regions. 



COCHLEARIA GRCENLANDICA, L., IN CAITHNESS. By Ed. S. 



Marshall. Journ. Bot., April, p. 114. Found on cliffs south of 

 Wick, in July 1886, along with C. danica. 



POTAMOGETON POLYGONIFOLIUS, VAR. PSEUDOFLUITANS, SYME. 



By Alfred Fryer. Journ. Bot., April, pp. 97-100, Plate 342. Mr. 

 Fryer describes and figures specimens from " River Leven, Loch 

 Lomond," in Edinburgh herbarium, named by Dr. Syme himself, and 

 records that specimens from " Perth, Laird's Loch," and from 

 " Tiggan, Orkney Isles," belong to this variety. 



NEW OR CRITICAL BRITISH ALG/E. By E. A. L. Batters, 

 LL.B., F.L.S. Grevillea, June 1894. Notes Urospora collabens, 

 Holmes and Batters ( = Conferva collabens, Harvey), sent in fine 

 state from Cumbrae by Mr. David Robertson ; and Scaphospora 

 spetiosa, Kjellm., from Cumbrae, and Ectocarpus toinentosoides from 

 east coast of Scotland (Stonehaven), both the latter found by Mr. 

 G. Brebner. 



NEW OR CRITICAL BRITISH FUNGI. By G. Massee. Grevillea, 

 June 1894). Records Orbilia scotica, n. sp., on rotten wood, from 

 Aboyne. The type is in Berkeley's herbarium at Kew, under Peziza 

 vinosa. 



REVIEWS. 



GEOGRAPHICAL DISTRIBUTION OF BRITISH BIRDS. By Henry 

 Seebohm. (London : R. H. Porter.) 



In this volume Mr. Seebohm attempts to classify British birds in 

 three different ways : firstly, their distribution within the British Isles ; 

 secondly, their distribution during the breeding season outside the 

 British Isles ; and, thirdly, their climatic distribution in the same 

 season. 



The book concludes with a list of British birds, with as much 

 information in connection with the geographical distribution of each 

 species as can be given in a few lines. 



The total number of birds admitted into the British list is 391. 

 These are divided into residents or partial residents 108, summer 

 visitors or partial visitors 48, winter visitors or partial visitors 68, 

 spring or autumn migrants or partial migrants 32, and accidental or 

 partial migrants 135. It must be understood that the word partial 



