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ON THE ZOOLOGICAL STATION AT NAPLES. 467 
would be too numerous to mention in this place. The general efficiency 
of the establishment is so well known that it will suffice to say that the 
whole organisation of the station is in a state of active and prosperous 
vitality. The best evidence of this is furnished by the accompanying 
lists: (1) of the naturalists who have occupied tables during the past 
year, and (2) of the publications resulting from work carried out at the 
station. 
The General Collections——Additions have been again received from 
Captain Chierchia, who has, since the last Report, sent two collections of 
specimens from the Pacific and Indian Oceans. Other collections have 
likewise been received from Lieutenant Cercone, Lieutenant Orsini, and 
Lieutenant Colombo, from the Atlantic, the Red Sea, and the Medi- 
_ terranean respectively. 
Some of the material previously obtained by Captain Chierchia has 
already been utilised by Count Béla Haller in a paper on the Molluscan 
kidney, recently published ; and the same author is at present preparing 
@ monograph on the Patelle. In like manner, the Pteropoda have been 
inyestigated by Dr. Boas of Copenhagen, whose. monograph upon the 
subject is now in the press. 
The Publications of the Station.—The scientific importance and artistic 
beauty of these works are now so well known that comment would be 
superfluous. 
1. Of the ‘Fauna und Flora des Golfes von Neapel,’ the following 
‘Monograph has been published since the last Report :—XI. A. Lang, 
‘Polyclade’ (2te Halfte: the complete work 688 pp., 39 plates). 
__ The following works are in the press :—K. Brandt, ‘ Coloniebildende 
Radiolarien.’ J. Fraipont, ‘ Polygordius.’ 
_ Monographs by G. von Koch on ‘ Gorgoniide,’ and by P. Falkenberg 
on ‘ Rhodomelez,’ will also shortly appear, the plates being now in the 
press. 
_ 2. Of the ‘Mittheilungen aus der zoologischen Station zu Neapel,’ 
vol. vy. (580 pp., 32 plates), is complete, and contains numerous papers 
written in English ; of vol. vi., parts i. and ii. are published. 
___ 3. The ‘Zoologischer Jahresbericht’ for 1883 (1,324 pp.) is pub- 
dished. The general arrangement and treatment of subjects are the 
Same as mentioned in the previous Report. Sections 1 and 2 are edited 
_by Drs. Paul Mayer and W. Giesbrecht, and sections 3 and 4 by Dr. Paul 
Mayer. The ‘ Bericht’ for 1884 is in the press. 
4 4, Of the Guide to the Aquarium, printed in German, English, Italian, 
‘and French, a second German edition has just been published, and a 
second Italian one will shortly be required. A supplement has also been 
‘printed in each of the four languages, in which the actual contents of 
every tank are enumerated, and references are given to the pages of the 
‘Guide and the accompanying illustrations. By this means the finding of 
any special animal, as well as the intelligent perusal of the Guide by the 
general public, is greatly facilitated. 
_ Hextracts from the General Report of the Zoological Station—The usual 
lists and details, courteously furnished by the officers of the station, will 
be found at the end of this Report, and bear testimony to the constantly 
increasing activity of the station. 
Lhe British Association Table.—Since the last Report, the table has 
been occupied by Mr. Wm. E. Hoyle, who, although limited in time, was 
enabled to prosecute researches on the embryology of the Cephalopoda, 
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