218 Scientific Intelligence. 
35. 7Cl 4792 Plicker. [46. yHg 4359 Pliicker, 
36. 7Br 4766 5 47. yH 433 ‘os 
37. OBr 4691 - 48. G 4296 Fraunhofer. 
oa 47 4661 « 49, al 4215 Pliicker, 
38d. dS, 4631 Mille. 50. H 3963 Fraunhofer. 
39. 7I 4629 Plicker. (51 L 3791 el 
40. yPCl, 45 “ M 3657 
41. eSnCl, 4524 « 53 N 3498 * 
42. CO, 46501 «“ 54 9) 3360 & 
43. OI 4446 ae 55 - 8290 # 
44, CO, 4382 « 66. = Q $232” 
45. 30 4867 eae soot = 
W. G 
2. On the phenomenon of interference in the prismatic and diffraction 
specitra.—Steran has communicated to the Viennese Academy an inter- 
these portions. The plate of mica may be cemented to the farther su 
face of the prism, or placed at any point between the prism 4 
provided that the part of the bundle of rays which traverses the 
Pogg. Ann,, xeviii, 513, ® This Journal, Sept. 1864 
