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2.
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3.
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4.
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5.
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7.
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8.
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9.
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As for a textual distinction between igneus and sanguineus see, e.g., Dall'Olmo, op. cit. (ref. 15), 1529.
18.
Dall'Olmo, op. cit. (ref. 15), 1526.
19.
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22.
LydusIohannes, De ostentis; Corpus scriptorum historiae Byzantinae, xxiii (Bonn, 1837), 288–90.
VillaniIohannes, op. cit. (ref. 14), 806. See also: RipaltaAlberto, Annales Placentini; MuratoriL. A., Rerum Italicarum scriptores, xx (Milan, 1731), 931.
26.
ThorndikeL., Latin treatises on comets (Chicago, 1950), 246.
27.
The works of Aristotle, iii (Oxford, 1931).
28.
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29.
ChoniathesNiceta, op. cit. (ref. 23), 1116.
30.
BlemmydesNicephorus, op. cit. (ref. 24), 1131.
31.
Dall'Olmo, op. cit. (ref. 13).
32.
See, e.g.: S. Paschasii expositio in Mattheum; Migne, Patrologia Latina, cxx (Paris, 1852), 817, and B. F. Albini seu Alcuini Commentum in Apocalipsin, Migne, Patrologia Latina, c (Paris, 1851), 1127.
33.
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34.
ImotoSusumu and HasegawaIchiro, op. cit. (ref. 11).
35.
Ruodolphi Fuldenses Annales; Monumenta Germaniae historica, Scriptores, i (Hanover, 1826), 361.