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Perhaps Bes is most identified with his role as a protector of childbirth - when problems arose during a delivery a clay dwarf was placed on the head of the mother and a spell was recited 4 times calling upon the dwarf god to help (in the spell the god is described as 'Great Dwarf' with a large head, short thighs and as a monkey in old age. Bes was also present in scenes showing royal births - something which was especially true during the Ptolemaic and Roman periods.
Images of Bes would normally be found in the home, sometimes he would be closely connected with Horus - stelae have been found which were called 'Horus on the crocodiles'; on the stela a young Horus (shown face-on) tightly holds reptiles or wild animals while he tramples on crocodiles, however this version of Horus has the face of Bes. A few lines of inscription are found on the back of the stela:
'You protect me against all the wild beasts of the desert,
all the crocodiles of the river,
all the snakes and scorpions,
all the insects that bite with their mandibles and sting with their tail,
all the kinds of reptiles that attack in their caves"
It has been suggested that these lines are a magical spell to give protection against such animals mentioned. (Source: ib205.tripod.com)