144 REVIEWS. \_^*^Cty, 



Bootan, near Pansa, elevation 7,500 feet; N. America, Canada, Saskatcli- 

 awan and thence to Pennsylvania, Columbia, North-west America, New 

 Mexico, at 3000 feet elevation, Andes of Peru; Sandwich Islands on 

 Mouna E,oah; West Indies, Cuba and Jamaica. Var. majus: Madeira, 

 Azores and Canary Islands frequent, Tropical America, Jamaica, Cordillera 

 of Orozaba, Mexico, elevation 10,000 feet, Caracas, Merida (pinnae more 

 than half an inch long, subrhomboid), Quitinian Andes, trunks of trees 

 (piunse three-quarters of an inch long)." . 



A. viride, Huds.^ p. 144. This well-known fern is entered with 

 the following range : — 



" Throughout Europe, chiefly in mountain or sifbalpine regions, from 

 Trondheim, in Norway, to the Spanish Pyrenees, Himalaya, Glacier of 

 Pindari, Kumaon, elevation 13,000 feet, Pocky Moimtains of British 

 North America. One of the most delicate and beautiful of European 

 Ferns, confounded by Linnseus with A. TricJiomanes : long supposed to 

 be limited in its localities, now found in widely remote regions, for there 

 are specimens in my herbarium fi-om the Eocky Mountains in British 

 North America, and equally from the lofty regions of Himalaya. Its 

 nearest affinity is assm'edly our next species, yi. fracjile, from the Peru- 

 vian Andes." 



The Natural History Review, No. IV., Vol. VI. Williams and 

 Norgate^ London. 



The present number of this iiseful periodical has more than 

 its usual quantity of matter attractive to botanists. 



There is, first, p. 433, a paper " On the Distinctive Habits 

 of British Hymenophyllum, by Wm. Andrews, M.E.I.A." The 

 learned author of this article commences with the statement 

 that George Beutham has reduced the number of species de- 

 scribed in Mr. Babington's Manual by the suppression of 423, 

 nearly a fourth part of the presumed species indigenous in the 

 British Isles ; and also states that the same author has reduced 

 the number recorded in Hooker and Arnott's Flora of these 

 Islands, by withdrawing 286. 



" ' I have ever advocated,' he continues, ' that more merit would 

 result from an investigation of a revision and correction of om* zoolo- 

 gical and botanical nomenclatures, than in new discoveries or additions 

 to our Eauna and Elora. Although it is extremely difficult to form 

 opinions as to the limitation of species, yet I fully concur in the views of 



