31/71 Connectives or conjunctions." In his Philosophical and Practical Grammar, published in 1807, a book which professes to teach "the _only legitimate principles_, and established usages," of the language, a twofold division of words is adopted; first, into two general classes, primary and secondary; then into "_seven species_ or parts of speech," the first two belonging to the former class, the other five to the latter; thus: "1. Substitutes; 4. |