CHAP. VII.] BACHELOR-SCHOLAR. 213 



retina were visible in some ; but the dogs' eyes showed all 

 the ramifications of veins, with glorious blue and green net- 

 work, so that you might copy down everything. I have 

 shown lots of men the image in my own eye by shutting off 

 the light till the pupil dilated and then letting it on. 



I am reading Electricity and working at Fluid Motion, 

 and have got out the condition of a fluid being able to flow 

 the same way for a length of time and not wriggle about. 



Trin. Coll., Eve. of H. M. Nativity. 



Wednesday last I went with Hort and Elphinstone to 

 the Ray Club, which met at Kingsley of Sidney's rooms. 

 Kingsley is great in photography and microscopes, and 

 showed photographs of infusoria, very beautiful, also live 

 plants and animals, with oxy-hydrogen microscope. 



... I am getting on with my electrical calculations now 

 and then, and working out anything that seems to help the 

 understanding thereof. 



FROM HIS FATHER, 



Glenlair, 21st May 1855. 



Have you put a burn in fit condition to flow evenly, 

 and not beat on its banks from side to side ? That would 

 be the useful practical application. 



FROM PROFESSOR J. D. FORBES. 



Clifton, Bristol, 4th May 1855. 



I left directions with Messrs. Neill & Co. to forward 

 proofs of your paper, by inquiring at 1 8 India Street, and I 

 understand that they were sent out on the 1st May. 



I am informed that my note to you about some of my 

 experiments on colour has been printed in the Edinburgh 

 Philosophical Journal. This was by no means what I in- 

 tended. . . . What I thought that you might do was to intro- 

 duce into that part of your paper where you speak of what 

 has been done or written on the subject, mention of the fact 

 that as early as January 1 8 (I do not at the moment recol- 



