Intelligence and Miscellaneous Articles. 319 



only "with one transmitting a reddish brown orange tint that 

 I had been annoyed by this reflection ; to render the descrip- 

 tion of which more intelligible, I have made the sketch from 

 several distinct observations taken for the purpose. The 

 number of the reflections never varied ; there werejfre appa- 

 rent, one behind the other, the one in front, and the upper 

 part of the second, being the brightest, the others growing 

 gradually more indistinct: they were perfectly circular, except 

 at the upper edge to the left, where the outline was rather 

 broken by two dark spots. Instead of appearing dark relieved 

 by the light as a ground, they were exactly vice versa, looking 

 like a bright film composed of silver ramifications*, the dark 

 spots seeming like holes with strongly illuminated margins; 

 and the pattern of the ramifications never changing. 



It was not till I had been induced to scrutinize the appear- 

 ance more attentively, in order if possible to ascertain what it 

 was I really did see, that I perceived in advance of the five 

 bright circles a sixth, like a small dusky cloudf. I could never 

 distinguish any ramifications upon it ; indeed the very outline 

 was so slightly defined that I did not attempt to represent it 

 on paper; but there it always was, only disappearing when I 

 looked against the side of the tube: this the bright ones did not 

 do immediately, — they faded gradually away. These reflec- 

 tions were most visible when the whole field was filled with 

 the sun ; wiien only a small part of the disc was in it, they 

 disappeared, or nearly so. 



The orange-brown tint always shone through the silvery 

 films, or rather between the ramifications of the network. 



A. M. H. 

 Hayes, Sept. 1832. 



LX. Litelligence and Miscellaneous Articles. 



on the tkue source of the amniotic acid of vauquelin 

 (allantoic acid of lassaigne): and on the importance 

 OF obtaining comparative anal'^ses of the allantoic 



FLUID, AND THE URINE OF THE YOUNG ANIMAL AFTER 

 BIRTH, 



IN Dr. Thomson's Inorganic Chemistry (vol. ii. p. 167), the Am- 

 niotic acid of Vauquelin and Buniva is described under the 

 appellation oi Allantoic acid, upon the authority of Lassaigne. The 

 chemist last named, it appears, examined, three successive times, 



• The dark outline of course did not appear; it is luerely used iu the 

 drawing because the circles could not otherwise he defined. The drawing 

 supposes the whole field of the telescope filled with the sun. 



f The bright ones showing through it. 



