A trans- fer of personal property as security for a debt or obligation in such form that upon failure of the mortgagor to comply with the terms of the contract, the title to the prop- erty will be in the mortgagee. Thomas, Mort. 427. An absolute pledge, to become an absolute interest if not redeemed at a fixed time. 2 Caines, Cas. 200, per Kent, Ch. Strictly speaking, a conditional sale of a chattel as security for the payment of a debt or the performance of some other ob ligation. Jones, Chat. Mort. §1. The con- dition is that the sale shall be void upon the performance of the condition named. At law, if the condition be not performed, the chattel is irredeemable at law; but it may be otherwise in equity or by statute; bid. The title is fully vested in the mort- gagee and can be defeated only by the due performance of the condition; upon a breach, the mortgagee may take possession and treat the chattel as his own; ibid.; 34 N. Y. Sup. Ct. 898. See 53 Barb. 867; 12 Wis. 418. At common law a chattel mortgage may be made without writing; it is valid as between the parties; 4 N. Y. 497; and even as against third parties if accompanied by possession in the mortgagee; 66 Barb. 433; but delivery is not essential in all cases to the validity of a chattel mortgage; 35 Ala. 131; but see 66 Barb. 433. It differs from a pledge in that in case of a mortgage the title is vested in the mortgagee, subject to defeasance upon the performance of the condition; while in the case of a pledge, the title remains in the pledgor, and the pledgee holds the possession for the purposes of the bailment; 24 Wend. 116; 28 Vt. 237; 48 Me. 368; 35 Cal. 404; 1 Pet. 449; 1 Pick. 389; 2 Ala. 555. By a mortgage the title is transferred; by a pledge, the possession; Jones, Mort. § 4. Upon default, in cases of pledge, the pledgor may recover the chattel upon ten- dering the amount of the debt secured; but in case of a mortgage, upon default the chattel, at law, belongs to the mortgagee; 43 How. Pr. 445. In equity he may be held liable to an account; 88 id. 296. Apart from statutes, no special form is required for the creation of a chattel mortgage. A bill of sale absolute in form, with a separate agreement of defeasance, constitute to- gether a mortgage, as between the parties; 97 Mass. 452, 489; 88 Ala. 185; 30 Cal. 685; 85 Тех. 182; 2 Mo. App. 102; or a note with an endorsement on the back that at any time the maker agreed to make a chattel mortgage; 46 Mo. App. 512. And in equity, the defeasance may be subsequently exe- cuted; 26 Ala. 812. A parol defeasance is not good in law; 10 Allen 332; 86 Me. 562; 10 Mo. 506; contra, 3 Mich. 211; but it is in equity; 72 N. Y. 133; 45 Md. 477; 43 Ga 262; 83 III. 470; 6 Oreg. 821, 362; even as to third parties with notice; 6 N. W. Rep. 367. See 33 Neb. 454. The question whether a bill of sale was intended as a chattel mort- gage is for the jury; 51 Mo. App. 534. In a conditional sale, the purchaser has merely a right to purchase, and no debt or obligation exists on the part of the vendor; this distinguishes such a sale from a mort- gage; 40 Miss. 462; 4 Daly 77. Where there is an absolute sale and a simultaneous agreement of resale, the ten- dency is to consider the transaction a mort. gage; 12 Sm. & M. 306; 11 Тех. 478; 15 Ark. 280; but not when the intention of the parties is clearly otherwise; 6 Gratt. 197; 5 Humph. 575. It is not necessary that a chattel mort- gage should be under seal; 47 Me. 504; 98 Mass. 59; Ping. Chat. Mort. 45; 14 Wall. 244; 5 Mich. 107. At common law a mortgage can be given only of chattela actually in existence, and. belonging to the mortgagor actually or po- tentially: 383 Ν. Η. 484; 2 Mo. App. 822; 6 Bradw. 162; 88 N. J. L. 253; 42 Wis. 588; 11 R. I. 476, 483; 6 Dak. 32; and even though the mortgagor may afterwards acquire title, the mortgage is bad against subsequent pur chasers and creditors: but it is otherwise between the parties; 20 Hun 265; claims for money not yet earned may be the subject of a chattel mortgage; 14 L. R. A. (Ia.) 126, and an elaborate note thereto. In equity the rule is different; the mort- gage, though not good as a conveyance, is valid as an executory agreement; the mort- gagor is considered as a trustee for the raortgagee; 11 R. I. 476; 10 H. L. Cas. 191; & Story 630; 94 U. S. 382; 2 Fed. Rep. 747; : Woods 214; 111 N. C. 197. See article in 15 Am. L. Rev. 121. But see 18 Metc. 17; 43 Wis. 588. Under this principle all sorts of future interests in chattels may be mort- ged; Jones, Chat. Mort. § 174. Independently of statutes, a delivery ir arcessary to the validity of a chattel mort- age, as against creditors. See 42 Ill. App. 70; 97 Ala. 630. The registration statutes unply provide a substitute for change of pussession. Between the parties, a change possession is unnecessary; if there is a hange of possession, registration is not quired: 30 Wis. 81; 49 Ν. Η. 340; 129 L. 7. At common law an unrecorded sattel mortgage is prima facie fraudulent I void