These bands are due to molecular oscillations; Hartley suggests the carbon atoms to be rotating and forming alternately single and double linkages, the formation of three double links giving three bands, and of three single links another three; Baly and Collie, on the other hand, suggest the making and breaking of links between adjacent atoms, pointing out that there are seven combinations of one, two and three pairs of carbon atoms in the benzene molecule.
Norman Collie to separate argon by diffusion into two parts, which should have different densities or refractivities, led to no distinct effect.
To these elements of discord we must add: - (r) That the Arabs, notwithstanding the bond of Islam that united them, maintained their old tribal institutions, and therewith their old feuds and factions; (2) that the old antagonism between Ma`adites 1 - (original northern tribes) and Yemenites (original southern tribes), accentuated by the jealousy between the Meccans, who belonged to the former, and the Medinians, who belonged to the latter division, gave rise to perpetual conflicts; (3) that more than one dangerous pretender - some of them of the reigning family itself - contended with the caliph for the sovereignty, and must be crushed collie que collie.
Most of the leading breeds have clubs or societies, which have been founded by admirers with a view to furthering the interests of their favourites; and such combinations as the Bulldog Club (incorporated), the London Bulldog Society, the British Bulldog Club, the Fox Terrier Club, the Association of Bloodhound Breeders - under whose management the first man-hunting trials were held, - the Bloodhound Hunt Club, the Collie Club, the Dachshund Club, the Dandie Dinmont Terrier Club, the English Setter Club, the Gamekeepers' Association of the United Kingdom, the International Gun Dog League, the Irish Terrier Club, the Irish Wolfhound Club, the St Bernard Club, the National Terrier Club, the Pomeranian Club, the Spaniel Club, the Scottish Terrier Club and the Toy Bulldog Club have done good work in keeping the claims of the breeds they represent before the dogowning public and encouraging the breeding of dogs to type.
Collie (J.C.S., 1905, 8 7, p. 1 33 2; 1906, 8 9, p. 524) record seven.