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Laon, Bibliothèque municipale, Ms. 422
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Laon, Bibliothèque municipale, Ms. 422

Isidorus Hispalensis: De natura rerum; Etymologiae; Sententiae

Alte Signatur: yy — / xiv H — / 119 — Parchment — II + 94 fols. — 295 × 185 mm — Laon — s. IX1

Digital facsimile at gallica.bnf.fr.

De signis caeli

Parchment

The original binding was restored.

Fragment from a breaviary (s. X2/XI) was used as binding waste (probably pastedown). The trimmed double leaf is now attached as flying leaf

Selected bibliography: Bischoff, Katalog II, p. 34. — Dell'Era (1979), esp. p. 271. — Barbara Obrist, "Le diagramme isidorien des saisons, son contenu physique et les représentations figuratives." Mélanges de l’Ecole française de Rome 108-1 (1996), p. 95-164. — J.J. Contreni, The Cathedral School of Laon from 850 to 930. Its Manuscripts and Masters, Munich, 1978, p. 31, 48. — Entry at Europeana Regia — BnF Archives et manuscripts ms. 422

Part 1

1r-22v Isidore of Seville: De natura rerum. Domino et filio sisebuto esydorus. Prologue. Dum in te prestantem ingenio … — … auctoritas dictorum fidem efficiat. Explicit prefatio. Liste of capitula. Incipit capitulatio. … Sic igitur ille ad crucianda corpora damnatorum finem numquam est habiturus. Exlicit liber de natura rerum deo gratias. Diagrams.

22v- In nomine dei summi incipit de astronomia. Prologue. Astronomia est astrorum lex … — … quibus cursum astrorum inueniatur. Explicit prologus astronomiae. (22v-23v) Incipiunt capitula de astronomia et compoto. De astronomia (=Isidore, Etym. III, 27), De mundo (=Isidore, Etym., XIII, 1), De uaria altitudines celi (=Bede, DNR, VI), De celo superiore (fol. 24r) (=Bede, DNR, VII), De plagis mundi (=Bede, DNR, X), De cursu planetarum (=Bede, DNR, XII), De ordine earum (fol. 24v) (=Bede, DNR, XIII), De absidibus earum (=Bede, DNR, XIV), Quare mutent colores (fol. 25r) (=Bede, DNR, XV), Ubi non sit et quare (=Bede, DNR, XXIII), De stella comete (fol. 25v) (=Bede, DNR, XXIV), De zodiaco circulo (=Bede, DNR, XVI), De XII signis (=Bede, DNR, XVII), De lacteo circulo (fol. 26r) (=Bede, DNR, XVIII), De cursu luna per signa (=Bede, DNR, XXI), De figuris astronomię xli (fol. 26v) (=Ps.Bede De signis coelis, Versus de XII signis (fol. 31r) , Item alios uersus de XII signis. De uocatione caeli (fol. 31v) (=Isidore, Etym., XIII, 4-5), De eiusdem spere cursu (=Isidore, Etym., III, 34), De celeritate caeli (=Isidore, Etym., III, 35), De axe caeli.(fol. 32r) (=Isidore, Etym., III, 36), De cęlestibus polis (=Isidore, Etym., III, 37), De cardinibus caeli (=Isidore, Etym., XIII, 1.8; Isidore, Etym., XIII, 5.4), De conuexis caeli (=Isidore, Etym., III, 39), De ianus cęli (=Isidore, Etym., III, 40), De gemina facies caeli (=Isidore, Etym., III, 41), De septem climatibus cęli (=Isidore, Etym., III, 42), De emispheriis cęli (=Isidore, Etym., III, 43), De die ubi apparuerunt sidera. Inc. Ut uictorius dicit quarta feria apparuerunt sidera VIII KL APL secundum grecos inuerno tempore... De circulo signifero (=Bede, De ratione computi XII), De ętimologia solis (Partly = Isidore, Etym., III, 35), De natura solis, De forma signorum per quem ascendit, De auriga erectonii (=Isidore, Etym., III, 71), De VII spatiis (=Isidore, Etym., XVIII, 36-9 de equibus quibus currimus next chapter 37 on de septem spatiis, de equitibus, De pedigibus (=Isidore, Etym., XVIII, 40), De coloribus equorum (=Isidore, Etym., XVIII, 41), De primo die scli, De ascensione soli, De incremento solis, De athome, De momento, De minuto, De puncto, De ętimologia horę, De differentia horarum, De horologio. Rota, De quadrantis, de ethimologia die , De nocte, De sole gradibus et de eclipsin , De ebdomada, De ethimologia mensibus, De ethimologia kalendas, De ethimologia nonis, De ethimologia idus, De temporum ethimologia, De ethimologia anni, De exordium concurrentes, De discensione lunę ad solem per menses duodecim, De sphere sole et lunae, De cursu solis per signa, De cursu lunę per signa, De cursu solis per noctem, De concordia solem et lunam, De horis in quibus lucet sol, De stellarum cursu per XII mensibus (=Gregory the Great, De cursu stellarum), De IIII partes scripturę principales, Dicta sancti Bedani de primo die, De primo mense in exodo, Datis epistolis ad synodum nicenum , De occursione paschę per X et VIIII annos, De annis domini inueniendum, De indictione per annos domini, De ciclo solari per annos domini, De ciclo decinnouennali per annos domini, De cyclo lunari per annos domini, De concurrentibus septimaneę, De anno a bissexto, De ratione saltus lunę , De ępactis lunę per annos domini, De kalendis ianuari per singulos annos, De luna in kalendi ianuari per singulos annos, De qualibet feria, De accensionę lunę, De interlunium lunę, De puncto ubi accendit luna, De etate lunae, Quot horas lucet luna, De cursu luna per signa, De concordia maris et lunae , Quota sit luna per kalendas XII mensis, De compoto romano, De anno solis, De termino paschali, De luna in pascha, De regularibus ad solem, De regularibus ad lunam, De exordio terminorum, De luna monstranda per litteras, De cyclo lunę per alfabeta , Qui computare nescit, De diuisione terrae (=Isidore, DNR, 48)Expliciunt capitula libri huius scripti. (23v-) In nomine dei summi incipit astronomia et partes compotatio. Inter astronomiam autem et astrologiam aliquid differt … — Starts with an introduction based partly on Cassiodore, Institutiones II, 7 – on astronomy what it is, what are the topics covered by it. Added as first chapter to it Isidore’s rendering of the differences between astronomy and astrology and the phenomena which are treated. For providing the general cosmological framework, the definition of ‘mundus’, the compiler preferred Isidore’s rendering instead of that of Bede. Bede placed more attention on the elements and the vertical possition with earth floating over water, covered by air and fire at the outmost layer. Isidore on the contrary provided a more geographical description of the world, pointing to the fact that it is always in motion and naming the four climata. Bede followed Genesis for his account of the world, its’s elements and parts. The fragments used by Pliny – that the world is in motion, as it hangs suspended.

26v-30v Ps. Bede: De signis caeli. Helix arcturus maior habet autem in capite … — … eo quod contraria sit cani.

54v-56v Gregory of Tours: De cursu stellarum ratio. Stellarum cursus per XII mensibus et tempora et horis. Stellarum cursus hoc modo obseruandus est … — … sigibertus rex obiret crinnita multos apparuit.

Part 2

73-93 leaves added for Isidore's Sententiae.

Part 3

91r-93v Missae Speciales added at the end of s. IX.