Special or limited partnerships are of two kinds; 1. Those at common law. 2. Limited partnerships, or those in commendam. 2. Special partnerships at common law, are those formed for a particular or special branch of business, as contradistinguished from the general business of the parties, or of one of them. 3. A limited or special partnership, under special acts of assembly, may be found in several states. In such partnerships some of the partners are liable as general partners, while others are responsible only to the extent of the capital they have furnished.