Royal Astronomical Society. 153 



and a tail dividing near the nucleus into two separate branches, with 

 the outer sides of each branch convex, and of nearly equal length, 

 apparently 8° or 10°, and a space between their extremities of 5° or 

 6°. Though viewed several minutes under these favourable circum- 

 stances, no coruscations were perceived." 



The above American accounts were communicated to the Astro- 

 nomer Royal by Mr. J. Cranch, at the request of Mr. Bond, of the 

 Cambridge Observatory, near Boston. 



In an article by M. Plana, extracted from the Gazetta Piemontese 

 of the 4th of April, are the following parabolic elements of the 

 comet : — 



Perihelion Passage, 1843, Feb. 27*652, Munich mean time. 



Perihelion Distance 0-0056343 



Long, of the Perihelion 189° 51' 25" 



Inclination 40 29 37 



Long, of the Ascending Node .... 353 59 

 Motion retrograde. 

 The following observations and elements of the comet, given by 

 M. Carlini, Director of the Royal Observatory of Milan, are extracted 

 from an Italian Gazette : — 



The above observations, together with one made at Munich on the 

 23rd of March, and another made at Padua, on the 24th, furnished 

 the following elements : — 



Perihelion Passage, Feb. 27, 5 h mean time of Milan. 



Perihelion Distance 0'1542 



Long, of the Perihelion 243° 33' 



Long, of the Node 353 45 



Inclination 38 



Motion retrograde. 

 In the Guiana Herald (city of Georgetown) of March 30, 1843, 

 appeared a notice of the comet, dated Demerara, March 25, and signed 

 J. Bamber, with observations of its distance from neighbouring bright 

 stars ; the most important of which are as follow : — 



" Saturday, March 18*, at 7 h 14 m , the nucleus was brilliant; the 

 coma, body and tail, very transparent. 



h m o i ii 



At 7 23 Sirius and the Nucleus, Apparent Distance 55 56 



7 28yOrionis ... ... ... 40 16 7 



7 45 Aldebaran ... ... ... 35 11 



" Saturday, March 19. Appearance as before. The evening was 

 beautiful. 



* Some of the dates in these Demerara observations are evidently erro- 

 neous. — Edit' Phil. Mag. 



