Pp. 22-24.--Two classes of subterfuges similar to those employed by Haykar are common in folk-tales. In one, the hero vanquishes, and generally destroys, his adversary (usually a giant) by imposing on his credulity, like Jack when he hid himself in a corner of the room, and left a faggot in his bed for the giant to belabour, and afterwards killed the giant by pretending to rip himself up, and defying the other to do the same. In other cases, the hero foils his opponents by subterfuges which are admitted to be just, but which are not intended actually to deceive, as in the devices by which the blind Shaykh instructs the merchant to baffle the sharpers, in one of the Sindibad stories (vol. vi., pp. 202-212, No. 135x., of our Table). In the present story Pharaoh was baffled by the superior cunning of Haykar but it is not made quite clear whether he actually believed in his power to build a castle in the air or not. However the story probably belongs to the second class. P. 25.--Twisting ropes out of sand was a device by which Michael Scot baffled a devil for whom he had to find constant employment. (Cf. Scott's "Lay of the Last Minstrel," and notes.) The History of Al-Bundukani (Pp. 31-68). I believe the "Robber-Caliph" is sometimes played as a burlesque, for which it is well adapted. The parallel suggested between the Caliph and a robber may remind the reader of the interview between Alexander the Great and the Robber, in "Evenings at Home." One cannot help sympathising with the disappointed young Merchant who acted as an informer, and feeling glad that he got off with a whole skin. P. 34.--In some versions of this story Harun's abstention from his bride for a year is attributed to a previous vow. P. 46 and note 4.--This passage, relative to the character of the Caliph, may be compared with his forgetfulness respecting Nur Al-Din Ali and Anis Al-Jalis. (Vol. ii. p, 42, and note.) The Linguist-dame, the Duenna, and the King's Son (Pp. 69-87).