510 
gramme of. this party will consist in securing 
large-scale photographs of the corona, the spec- 
trum of the corona and chromosphere, more 
especially in the ultra-violet region, and photo- 
graphs of the corona through ‘“‘mercury-green ” 
glass for investigation of the distribution of 
‘“coronium.”” Near Feodosia, in the Crimea, the 
party from the Solar Physics Observatory, at 
Cambridge, namely, Prof. Newall, Mr. Stratton, 
and Mr. C. P. Butler, will take up their stations. 
The work that will be undertaken includes small- 
and large-scale direct photographs of the corona 
for extensions and details respectively, objective 
grating photographs of the chromosphere for com- 
parison with the slit spectra taken by Prof. 
Fowler’s party, and lastly, polariscopic observa- 
tions. 
Feodosia will also be the observing station of 
two German expeditions, namely, one from the 
Astrophysical Observatory at Potsdam, and a 
second from the Royal Observatory in Neubabels- 
berg, near Berlin. Near Feodosia, at Starg 
Krym, an expedition from the Hamburg Observa- 
tory in Bergedorf will take up its position. The 
programme of the work to be undertaken by this 
expedition, kindly communicated by the director, 
Prof. R. Schorr, includes photographs of the 
corona with telescopes of focal lengths of 4, 10, 
20, and 40 metres, with and without screens, a 
search for intermercurial planets, and _ photo- 
graphs of the spectra of the chromosphere and 
corona. 
In addition to the above, Prof. Miethe, of the 
photochemical laboratory of the Technical High- 
school in Berlin, is going to Sannessjéen, Alsten 
Island, in Norway, and it is quite possible that 
parties from other German cbservatories may 
swell the number of expeditions. 
Feodosia will also be the selected spot for three 
French missions, details about which have been 
kindly communicated by Count de la Baume 
Pluvinel. Count de la Baume Pluvinel himself 
leads a private expedition, with Messrs. Senouque 
and Rougier as his assistants. Their instrumental 
equipment will consist of a two-mirror coelostat 
worked in conjunction with objectives of 12 and 
3 metres for the photography of the corona. 
slit spectroscopes and two prismatic cameras with 
flint and quartz prisms will also be used, and 
measures will be made of the intrinsic brightness 
of different portions of the corona. 
A second expedition is that which will set out 
from the Nice Observatory under the direction of 
M. H. Chrétien. M. Chrétien will be: accom- 
panied by M. Lagrula, and they will take up a 
position at Feodosia. Their main instrument will 
be a coelostat with two mirrors, one of which will 
feed an objective of 6 metres focal length, for 
securing photographs of the partial phases and of 
the corona, the other supplying light to a slit 
spectroscope for the study of the rotation of the 
corona. M. Chrétien proposes also to make 
photometric measures during the partial phases. 
M. Jekhowsky will also join this party, and will 
use a concave grating of 6 in. diameter and 7 
NO! 2333, VOL. .93| 
NATURE 
Two 
[Jury 16, 1914 
metres radius of curvature for the study of the 
spectrum of the chromosphere in the ultra-violet. 
M. Salet, of the Paris Observatory, is also 
going privately to Feodosia. He will use both an 
equatorial and a coelostat, and his chief endeavoui 
will be the photographic study of the polarisation 
of the light of the corona. 
Feodosia is also the station that Dr. Perrine 
will observe from, and of the expedition being 
| organised by the Lick Observatory under Prof. 
W. W. Campbell one section will proceed to Kief 
while the other will occupy Feodosia. A Russian 
party under Dr. Donitch will also take up 
quarters at the latter pluce. 
While most of the expeditions are concentrating 
at Feodosia, it is hoped that other intending ob- 
servers will take up positions further north. No 
doubt several amateurs, both British and foreign, 
are completing their plans for the event. 
The eclipse committee of the British Astro- 
nomical Association, of which Mr. G. F. 
Chambers is chairman, have been endeavouring to 
organise parties for different stations. From 
information received, it seems likely that the 
Royal Mail Company’s Arcadian will convey 
numerous members to Norwegian coast stations, 
while Hernésand, on the coast of Sweden, is 
likely to claim about a dozen; and Riga, in Russia, 
perhaps a somewhat larger number. It is prob- 
able also that a small number will go to the 
Crimea, enticed by the more favourable prospects 
of possibly finer weather conditions. It is inter- 
esting to note that while a total solar eclipse does 
not offer very much scope for the use of colour 
photography, yet several attempts are going to 
be made with small instruments. Writing from 
the Nikolai chief observatory at Pulkovo, Prof. 
Backlund (Astr. Nach., No. 4740) states that, 
after a conference with the Minister of Finance, 
every facility will be offered by the Govern- 
ment to further the interests of the various 
expeditions proceeding to Russia, and that all 
instruments will be customs free provided 
observers return with them. 
WitiiaMm J. S. LOckyYEr. 
INTERNATIONAL FISHERY INVESTIGA- 
TIONS.} 
ae official reports on the work of the Inter- 
national Council for the study of the sea 
contained in the three volumes now under review 
mark a definite and important stage in the history 
of that undertaking, since for the first time re- 
commendations on a considerable scale are put 
forward for international legislation dealing with 
the fisheries of the North Sea. From the com- 
mencement of the international undertaking par- 
ticular attention has been directed to the plaice 
fisheries, and it is in connection with these that 
we now have not only a considerable part of 
Prof. Heincke’s general report, but also a series 
of resolutions agreed to by the whole Council, 
which may be supposed to have resulted from 
1 Conseil permanent international pour |’exploration de la mer. Rapport 
et Procés-Verbaux des Réunions, vols. xvi., xviii., and xix. 
