National Geographic : 1921 Nov
II- ... ..-- ... . . )R.B.Holmes &Co. AFGHAN CAMEL BOYS AND THEIR COMMERCE CARRIERS OFCENTRAL ASIA Less picturesque but more hardy than their Bactrian cousins, Arabian camels can stand heat as well as aconsiderable degree of cold. The dromedary, as one of the earliest of man's servants has gained a dignity which the more clever donkey has not attained, inspite of the fact that adonkey leads most caravans.