143. Intergroup and intragroup money. When money is used to overcome the difficulties of barter two cases are to be distinguished—the intergroup and the intragroup uses, which are primarily distinguished by a space relation. The intragroup use is here, in the we-group, close at hand. The intergroup use is between our group and some out-group. It will be found that all money problems include these two cases. "At least we shall find that the current commonplace of the economists about the succession of natural economy, money economy, and credit economy, is not even remotely apt to the real problems."285 What is true is that, on a money economy, it is found that there is, or may be, a constant exchange of money for goods and goods for money, from which gain or loss may result; and furthermore that the risk (aleatory element) in this exchange is intensified, if time is allowed to intervene. Inside the we-group the first need for money is for fees, fines, amercements, and bride price. In Melanesia pigs are not called money and there is shell, feather, and mat money, but pigs are paid for fines, penalties, contributions to feasts, fees in the secret society, pay for wives, and in other societal relations. What is needed is a mobile form of wealth, with which social dues can be paid. This is the function of money which the paper-money projectors have in mind when they propose to issue paper which the state shall take for taxes. It is evident that it is to be distinguished from the economic function of money as a circulating medium. The intragroup money needs to be especially a measure and store of value, while the intergroup money needs to be a medium of exchange. In the former case barter is easy; in the latter case it is regular. In the former case a multiple standard is available; in the latter case what is needed to discharge balances is a commodity of universal demand. When credit is introduced its sphere is intragroup. The debtors would like the money to be what every one can get. The creditors would like it to be what every one wants.
144. Various predominant wares. In the northeastern horn of Africa the units of value which are used as money are salt, metal, skins, cotton, glass, tobacco, wax, coffee beans, and korarima. Cattle and slaves are also used as units of value from time to time amongst the Oromo. Salt is used as money in prismatic pieces, twenty-two centimeters long and three centimeters to five millimeters broad at the bottom, which weigh from seven hundred and fifty grams to one and one half kilograms each. It is carried in bundles of twenty to thirty pieces, wound in leaves.286 The Galla use rods of iron six to twelve centimeters long, somewhat thicker in the middle, well available for lance ends, one hundred and thirty of which are worth one thaler in Schoa; also pieces of copper, tin, and zinc; calf-skins; black, printed, and unprinted cotton cloth; pieces of cloth; coarse red cotton yarn (for knitting); and strings of beads. The universal and intergroup money is the Maria Theresa thaler weighing 571.5 to 576 English grains.287 Cameron mentions the exchange of intergroup money for intragroup money at a fair at Kawile, on the eastern shore of Lake Tanganyika. At the opening of the fair the money changers gave out the local money of bugle beads, which they took in again when the fair closed.288 On the French Congo the boatmen were paid with paper bons, which were superseded by metal ones in 1887. When the recipient takes his bon to the station he obtains at first a number of nails, beads, or other articles for it, which he can then exchange for what he wants. Tokens of copper are issued at Franceville, stamped "F," of different shapes and sizes, but always of the same shape and size for the same value in French money.289 At Grand Bassam in West Africa the manilla (bracelet) serves as money. For six months the natives give oil for these bracelets of metal mixed of copper, lead, zinc, antimony, and iron, which can be closed around the arm or leg of a slave by a blow of the hammer. Then for six months they exchange the bracelets for the European goods which they want.290 These bracelets were a store of wealth for the black men.291 The Kru have few cattle, which pass from one to another in bride purchases, since these can be made with nothing else. It is impossible to have wives and cattle too until one's daughters grow up.292 Since the seventeenth century cylindrical (bugle) green-blue beads have been money on the ivory and gold coasts. They come from an ancient cemetery on the Bokabo Mountains and are of Egyptian origin. They were buried with the dead.293 A local money of stone is reported also from Avetime in Ehveland. It is said to have been used as ornament. Pieces of quartz and sandstone, rudely square but with broken corners, from four to five centimeters in diameter and one and a half to two centimeters thick, rubbed down by friction, have been found.294
145. Intragroup money from property; intergroup money from trade. These cases already show us the distinction between intragroup money and intergroup money. The effect of trade is to develop one or more predominant wares. In the intragroup exchanges this is an object of high desire to individuals for use. It may be an amulet ornament, or a thing of great use in the struggle for existence, e.g. cattle, or a thing of universal acceptance by which anything can be obtained. In intergroup trade it is the chief object of export, the thing for which the trade is carried on, e.g. salt, metal, fur. If this commodity is not easily divisible, the money is something which can be given "to boot," e.g. tobacco, sugar, opium, tea, betel.295 That is money which will "pass." This does not mean that which can be forced to pass ("legal tender"), but that