But apart from this irrefutable proof of the four-beat scansion of the long line, the rhythmic congruity of it with the rhyming alliterative lines discussed in [§ 67] can easily be demonstrated by the reoccurrence of the same types, although a difference between the first and the second hemistich no longer seems to exist.
Type A, of course, is the most frequent, and occurs in many sub-types, which are distinguished chiefly by monosyllabic, disyllabic, or polysyllabic anacruses, disyllabic or polysyllabic theses between the first and second arsis, and monosyllabic, disyllabic, or trisyllabic theses after the latter. The most usual form of this type corresponds to the scheme (×)×–́××–́×, while the form –́××–́× is rarer. Type A1 likewise admits of polysyllabic anacruses and theses, corresponding mostly to the formula (×)×–́××–́, less frequently to –́××–́. Type B C (×)××–́×–́× is rare, type B C1 (×)××–́×–́, on the other hand, very common; type C (×)××–́–́× still occurs now and then, but type C1 (×)××–́–́ has become exceedingly scarce.
§ 69. Statistical investigations as to the frequency of occurrence, and especially on the grouping of these different types are still wanting, and would contribute greatly toward the more exact knowledge of the development of the iambic-anapaestic and the trochaic-dactylic metre out of the four-beat verse. Of course in such an investigation the use of anacrusis in the types A and A1 should not be neglected. According to the presence or absence of anacrusis in the two hemistichs four different kinds of line may be distinguished:
1. Lines with anacrusis in both hemistichs. These are the most numerous of all, and are chiefly represented by the combinations of types A(A1) + A(A1), A(A1) + B C1(B C):
2. Lines with anacrusis in the first section and without it in the second. These are almost exclusively represented by the combination A(A1) + A(A1); rarely by B C1(B C) + A(A1):
| A + A1: | For wélthe without méasure | sódenly wyll slýde. Skelton, Magn. 194. |
| A + A1: | Howe sódenly wórldly | wélth dothe dekáy, |
| A + A1: | How wýsdom thórowe wántonnesse | ványisshyth awáy. ib. 2579–80. |
| A + A1: | Behóld, I práy you, | sée where they áre. Four Elements, Dodsl. i. 10. |
| B C + A1: | I am your éldest són, | Ésau by my náme. Jacob and Esau, ib. ii. 249. |
3. Lines without anacrusis in the first section and with anacrusis in the second; likewise chiefly represented by the types A (A1) + A (A1), rarely by A (A1) + B C (B C1):
4. Lines without anacrusis in either section, so that they are wholly dactylic in rhythm, only represented by A (A1) + A1 (A):