Structure
There remains another feature of the Proemium that I believe is also programmatic: the structure itself.[25] In lines 1–4, as briefly outlined above, Apollonius begins with an invocation to Apollo and identifies the subject of his poem, the Argonautic expedition. These lines correspond with lines 18–22, where the poet turns to the Catalogue as the starting point for the narrative and ends with an invocation to the Muses. In the central section of the Proemium, lines 5–17, the poet presents in an extremely abbreviated form the Vorgeschichte of the expedition.[26] Even this section possesses a unifying structure of its own. Lines 5–7 contain Apollo's prophecy to Pelias that he would die at the hands of the man who wore only one shoe; the next seven lines, 8–14, present the appearance of Jason at Pelias's sacrifice offered to Poseidon and all the gods, except Hera, and Pelias's recognition of the fated man; and lines 15–17 conclude with Pelias's plot to get rid of Jason. The Proemium, then, has the shape outlined on the following page.
We have seen that the hymnic opening, the use of the recusatio motif, and the academic role assigned to the Muses all have programmatic implications; they lead us to expect other resemblances in the Argonautica to the poetry of Callimachus or of Aratus, thereby advertising, in part, the nature of the narrative the reader is to expect. I find the structure of the Proemium to be
[24] Pace Fraser (supra n. 9) 632–33 et passim , who insists that although Callimachus and Apollonius share an interest in etiology and employ the same linguistic practice, that typical of Alexandrian writers of the period, temperamentally and stylistically they "face in contrary directions" (633). In my opinion, Fraser (cf. 749–54) trusts too much in the ancient biographical tradition.
[25] Cf. Hurst's discussion of this feature of the Proemium (39–44).
[26] Fränkel ad 1.1–233 provides the most thorough analysis of what Apollonius includes and leaves out in the terse prehistory of the expedition; cf. also Händel 9–14.
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no less programmatic in this sense: it furnishes an "example," to use Hurst's term,[27] of the organizational principle that Apollonius will follow for the rest of the poem. The basic building block that can be observed from the analysis of the Proemium and that Apollonius will use in different configurations throughout the poem is ring composition. As I mentioned above in the Introduction, the employment of this structural device will vary from the simple ring (A–B–A ), to the ring within the ring, as here in the Proemium (A–B [a–b-a ]–A ), and to other more complicated variations that suit the content and special focus of an episode or part of an episode. The ring provides a useful way for the poet to organize a vast amount of legendary, mythological, historical, and geographical information and at the same time to call attention to important points that might get lost in what is an extremely involved and learned narrative. In the body of the poem, as in the Proemium, Apollonius consistently gives central position to prominent images, to sudden divine or quasi-divine appearances, and very often to significant allusions that guide and inform our understanding of the section at hand.
By omitting in his introduction much of the prehistory, which—in line with archaic practices—unfolds in the course of the poem,[28] and by articulating his Proemium in the ring format, Apollonius focuses on the ætion of the Argonautic expedition (Apollo's prophecy to Pelias and its fulfillment) and, in particular, on the
[27] Hurst 43.
[28] This is well established by Händel 11–12.
ominous appearance of Jason





[30] So Vian 50 n. 2, pace A. Platt, "Apollonius III," Journal of Philology 35 (1919) 72.
[31] Vian ibid.
The Argonautic program, though subtle, is clear. The reader is led to expect an untraditional epic whose esthetics are Callimachean and whose narrative will be organized in such a way that the most important images and allusions are structurally highlighted. Moreover, in establishing the narrative technique he will use, Apollonius has also given us a suggestive glimpse of the poem's central character, and what we observe might equally be considered programmatic. The "hero" of the epic who undertakes the seemingly impossible

