In the sky 101 mondbow ``primary'' must occur for two internal reflections of the incident ray. The appropriate result is now that cos i c ¼ [(n 2 À 1)=8] 1=2 , and for n ¼ 2.42, i c ¼ arccos (0.78) & 38.78, and hence the deviation D(i c ) ¼ 2i c À 6 arcsin(sin i c =n) & À12:5 , (55:3) (55:2) which corresponds to a small ring around the Sun with angular radius 12.58. Three internal reflections will actually give rise to a secondary diamondbow, because now cos i c ¼ [(n 2 À 1)=15] 1=2 & 55:3 , and modulo 2p, D(i c ) ¼ p þ 2i c À 8 arcsin(sin i c =n) & 131:6 , (55:5) (55:4)