Miscellaneous Intelligence. 239 



Though the brightness at the nearest approach may vary greatly 

 from the estimates, there is no doubt that during the last of 

 April and the first of May this comet will be a brilliant object — 

 aided by the facts that at that time the comet is circumpolar and 

 moonlight will not interfere. 



Comet (Barnard). 



T=1886. May 2*7855, Berlin m. t. 



7r=188° 13' 38" ) 





n= 



68 



25 



57 I 



1886-0 











i= 



83 



50 



24 ) 











log 



;q= 



9-676952 













1886, Berlin m. t. 





a 





6 





log r. 



log D. 



Br. 



March 1.0 



lh 



. 56-6m. 



+ 21° 



5' 



0-1505 



0-2416 



3-6 



16.0 



1 



52-8 





+ 25 



29 



0-0640 



0-2315 



5-6 



31.0 



1 



503 





+ 30 



37 



9-9520 



0-1998 



10-8 



April 15.0 



1 



45-4 





+ 36 



25 



9-8072 



0-1311 



■ 29.0 



30.0 



1 



37-2 





+ 40 



22 



9-6815 



9-9857 



101-1 



May 15.0 



2 



11-5 





+ 29 



29 



9-7498 



9-7080 



265-0 



30.0 



4 



25-4 





—22 



50 



9-9019 



9-5609 



259-0 



June 14.0 



7 



12-4 





-48 



32 



0-0259 



9-8182 



44-7 



Brightness Dec. 5 = 1. 



According to the above table this comet also will be a conspicu- 

 ous object at the same time as the other. We must therefore 

 anticipate the unusual occurrence of two bright comets appearing 

 in the same month, and on May 1st not very far apart. Comet 

 (Barnard) passes its line of nodes May 20, which line the earth 

 passes May 29. Comet (Fabry) passes its line of nodes May 8, 

 which line the earth passes April 27, but by later elements this 

 comet crosses the ecliptic April 25. It is therefore not impos- 

 sible that the comet may be projected on the sun's disc on the 

 26th or 27th of April. 



Note by the translator. — Comet (Fabry) on May 1st, about the 

 time of its greatest brightness will be high up in the N.W. dur- 

 ing the evening. Comet (Barnard) will be situated about 30° 

 S.W. from it, settiug in the N.W. at about 8.30, so that both 

 comets will quite probably be visible together to the naked eye 

 near the end of twilight. At its greatest brightness comet 

 (Barnard) rises about two hours before the sun. w. b. 



V. Miscellaneous Scientific Intelligence. 



1. Isaac Lea Bibliography (being No. 23 of the Bulletin of 

 the U. S. National Museum, and No. n of Bibliographies of Amer- 

 ican Naturalists); by N. P. Sctjdder. Department of the Interior, 

 lx and 278 pp., 8vo. — This volume contains a biographical sketch 

 of Dr. Isaac Lea, which occupies pages i to lx, and a detailed 

 bibliography covering the remaining pages. The great extent of 

 the scientific publications of Dr. Lea, the large number of new 

 species he has described, and the high value of his work render 

 this bibliography one of special importance to American science. 

 It mentions all the species of his papers in chronological succes- 

 sion, gives references to plate and figure as well as page, and 



