Vol. = | 
1897 
Correspoudence. 427 
Anales del Museo Nacional de Montevideo, VI, 1897. 
Annals of Scottish Nat. Hist., July, 1897. 
Aquila, IV, Nos. 1-3, 1897. 
Birds, July—Sept., 1897. 
Boletim do Museo Parense de Hist. Nat. e Ethnog., II, No. 1, 1897. 
Forest and Stream, XLVIX, Nos. 1-13, 1897. 
Iowa Ornithologist, II, No. 3, 1897. 
Knowledge, July—Sept., 1897. 
Medical Age, XV, Nos. 12-16, 1897. 
Naturalist, The, a Month. Journ. of Nat. Hist. for the North of Eng- 
land, July—Sept., 1897. 
Ornithologisches Jahrbuch, VIII, Heft 4, 1897. 
Ornithologische Monatsberichte, Y, Nos. 7-9, 1897. 
Osprey, The, I, Nos. 10-12, 1897. 
Ottawa Naturalist, XI, Nos. 3, 4, 1897. 
Our Animal Friends, XXIV, Nos. 11, 12, XXY, No. 1, July—Sept., 1897. 
Proceedings of the Indiana Academy of Sciences, 1896. 
Science, (2) VI, Nos. 131-140, 1897. 
Shooting and Fishing, XXII, Nos. 12-20, 1897. 
Zodlogist, The, (4) Nos. 7-9, July—Sept., 1897. 
CORRESPONDENCE. 
The Treatment of ‘Nomina Nuda.’ 
EpIToRS oF ‘THE AUK’:— 
Dear Strs:—I should like to ask, through the pages of ‘ The Auk,’ for 
further expressions of opinion concerning the diverse treatment to which 
nomina nuda are now subjected. The matter is one of such importance to 
those who deal hand-to-hand with the many-sided aspects of nomencla- 
ture that every effort should be made to bring order out of the present 
chaos. 
A nomen nudum is a name — zoological or botanical, generic, subgen- 
eric, specific or subspecific — which has not been defined and published 
in accordance with the laws of binomial nomenclature. Such names are 
generally recognized as without status, and therefore as in no way inval- 
idating the subsequent application of the same term to another organism, 
or to the organism intended by the original writer when this, as is often 
the case, can be ascertained. It naturally follows that a nomen nudum, 
having no real status in nomenclature, may be disregarded; and if a sub- 
sequent author, wittingly or unwittingly, uses the same name again the 
