32 THE VOYAGE OF H.M.S. CHALLENGER. 



returned to me along with the first series of duplicates, whenever the colleotion has been gone over, and the 

 first series for description selected out. 



4. For easy reference, each naturalist who undertakes the working out of a group will be provided with a 

 large number of small veUum labels, marked thus : — - 



Ast. 



St. 



(Asteridea.) 

 (Station.) 



and he need simply enter, loitli a darh pencil, the number which he has associated with the particular species, 

 and the number of the station where the specimens were found; and put the label into the bottle or the 

 muslin bag, as the case may be. 



Special arrangements must be made in every individual case as to publication, but it is the general 

 intention that the account of the voyage shall be in a series of volumes quarto, of the size of the Pliilosophical 

 Transactions of the Eoyal Societjr. It will probably consist of — 



1. Two volumes, containing — (1) such a general account of the voyage, and such hydrographic details, 

 illustrated by charts and sections, as may be necessary for the clear comprehension of the scientific observations ; 

 and (2) a full discussion of the general results of the voyage, physical and biological. To these volumes will 

 be appended tables of the routine observations in meteorology, &c., made during the voyage. 



2. A volume containing an account of the physical and chemical observations and investigations, with a 

 special discussion thereon. To this volume will be appended tables of analyses, tables of specific gravities, 

 reports on the microscopical examination of minerals, &c. 



3. A series of vohimes, probably not less then six in number, containing a detailed account of the fauna, 

 and plates illustrating the undescribed or imperfectly known forms. 



In case of plates beiog required, the space available for figures on each plate is not more than 10 by 8 

 inches ( = 25'5 by 20 centimetres). It is intended that the plates shall be, generally speaking, in lithograph; 

 but if any form of engraving seem preferable in any case, a special arrangement may be made. Woodcuts will 

 be given where required. 



The intention at present is that the preparation of aU the volimies shall go on simultaneously, and it is 

 earnestly desired that the difierent parts may be done as speedily as is consistent with the utmost care and 

 accuracy. Authors are invited to enter into any anatomical or other details which may be desirable for the 

 f uU illustration of the groups in their hands ; and their consideration is particularly requested of all questions 

 bearing upon geographical distribution, and upon the relation of the deep-sea fauna to the faunae of the later 

 geological periods. 



Authors win be at liberty to publish abstracts of the results of then- work, during its progress, in the pro- 

 ceedings of Scientific Societies ; but such communications should be made through me, or with my knowledge, 

 and " by permission of the Lords Commissioners of the Treasury." 



I am directed to report to Government, and to furnish my accounts at certain intervals ; and in order that 

 I may be able to do so, authors are requested to report progress and to render accounts and vouchers for any 

 expenses which they may have incurred, to me quarterly ; on or before the 1st of March, of June, of September, 

 and of December. 



The work has been carried on up to the present time very nrnch according to the 

 programme. Several Monographs are now (September 1880) completely finished, and 

 the specimens returned and lodged in the British Museum ; and most of the remaining 

 Memoirs are in a state of greater or less progress. 



