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Show 612 MR. C. DA VIES SHERBORN ON A PROPOSED [June 2 of slips, the toughness necessary for constant handling, a surface equally convenient for pencil and carbon paper, and a cheapness of Is. 2d. per 1000 slips. The size of slip employed is 127 x 6 3 m m. ( 5 x 2 ^ inches). Nomina nuda are distinguished by the letters \'n. nJ]. Nomina nuda accompanied by figures by the letters [n. et f.\ In those cases where an author has described and figured a species some time after printing his nomen nudum, a reference is also given to the nomen nudum, when possible. Particular attention has been paid to the date of publication of books, periodicals, and serials. This is a part of the work which demands considerable time and patience, but the results obtained fully justify the labour. The more important results as to dates already arrived at and published are:- Pallas, P. S., Icones Insect. (See Annals Mag. ser. 6, vii p. 236, 1891.) Pallas, P. S., Nov. spec. Glir. (See Annals Mag. ser. 6, vii p. 236,1891.) Schreber, J.C.D.,Siiugthiere. (See Proc. Zool. Soc. 1891, p. 587.) Sowerby, Genera Becent Shells. (See Annals Mag. ser. 6, xiii p. 370, 1894.) Encyclopedic Methodique. (See Proc. Zool. Soc. 1893, p. 582.) Jardine and Selby, Illustr. Ornith. (See Ibis, 1894, p. 326.) Moore, F., Lepidopt. Indica. (See Annals Mag. ser. 6, xi. 1893, p. 260, and ser. 6, xiv. 1894, p. 464.) Siebold, P. F. von., Fauna Japonica. (See Proc. Zool. Soc. 1895, p. 149.) The date of publication of a species is taken to be that date on which the print in which the name appears is offered for public sale or public distribution. N o author's copy, and no excerpt from any publication distributed privately before such publication is offered for public sale or public distribution, has been accepted. In the case of privately printed books, entries taken from them are distinguished by the words [ciuct. typ.~]. In all cases where the date is doubtful and cannot be definitely ascertained, the date figures are enclosed in brackets [ ], or have some other distinguishing mark-e.g., ?-placed against them. In the case of plates appearing before the text, the date of each is given if ascertainable (e. g., Schreber's ' Saugthiere'), but in no case is the date of a plate accepted in preference to the date of text, for the reasons which follow :- The figure depicted on a plate may, or may not, be the drawing intended by the author; it is the work of the artist, who is also responsible for the descriptive legend. In numerous instances the descriptive legend on a plate is quite erroneous, and has been repudiated by the author in his text. Until the text descriptive of a plate appears, the names on the plate must be considered as nomina nuda, and it is open to anyone to describe and rename such nomina nuda. |