316 Wisconsin Academy of Sciences, Arts, and Letters. 
Versus: Tanquam sponsus Dominus procedens de thalamo 
suo. Et exiuit. 
Prosa: Tanta nunc resultant gaudia, quia Xpistus natus est 
in terra coequalis Patri in gloria de sancta Maria. Tan¬ 
quam. Et exiuit. 
Fabrice mundi. 
Prosa: Familiam custodi, Xpiste, tuam, quam natus alma de 
Maria redemisti morte tua, ut cognoscant te <condi- 
torem >. Fabrice. 
Gloria Patri et Filio et Spiritui Sancto. Et exiuit. 
Fabrice. 
Prosa: Fac, Ileus, munda corpora nostra et animas die ista, 
ut tua protecti dextra collaudemus auctorem. Fabrice. 
Hesponsorium: Descendit de <celis>. 
Fabrice mundi. 
ProsuuA: Facinora nostra relaxari mundi gloria, 
Petimus, mente deuota Dauid regis prolem inclitam, 
Virgo quern casta seclo Maria protulit summi Patris gratia, 
Cuius ortus saluat omnes cuncta per secula; 
Et die hac nobis iugiter faueat atque omni. 
Fa brice mundi. 
<Et exiuit (?) > 1 1 
Although we can scarcely hope to recover the exact manner in 
which the parts of these troped responsories were distributed 
and sung, 1 2 nevertheless the texts before us are useful evidence 
of the vogue of the tropes of the Descendit . 3 
Of the many other tropes that arose in Christmas Matins 4 we 
1 Paris, Bibl. Nat., MS. lat. 12044, Liber Responsalis Sancti Mauri 
saec. xii, fol. 9^-10r. 
2 As to the manner of rendering the text printed above from Paris 
Bibl. Nat., MS. lat. 12044, fol. 9v-10r, see P. Wagner, Origine et Devel- 
oppement du Chant Liturgique, Tournai, 1904, pp. 286-287. 
3 For other texts and other forms of this particular family of 
tropes see Paris, Bibl. Nat., MS. lat. 1273, fol. 38r (printed below. 
Appendix B ); lUd., MS. lat. 1296, fol. 38r; Ibid., MS. lat. 1292, 
fol. 29 v ; Ibid., MS. lat. 1291, fol. lllv; Ibid., MS. lat. 1255, fol. 87r; 
Ibid., MS. lat. 1270, fol. 177r: Ibid., MS. lat. 1065, fol. 109v; Ibid., MS. 
lat. 1057, fol. 29*; Ibid., Nouvelle Acq., MS. lat. 1235, fol. 243r-244r; 
Ibid., MS. lat. 746A, fol. 23r; Ibid., MS. lat. 13233, fol. 107v-108r. 
4 For examples of these tropes see Paris Bibl. Nat., MS. lat. 17998, 
fol. 16r; Ibid., MS. lat. 17999, fol. 95r; Ibid., MS. lat. 10487, fol. 114v; 
Ibid., MS. lat. 784, fol. 22r-26r; Ibid., MS. lat. 1268, fol. 174^—175^; 
Ibid., MS. lat. 1298, fol. 21 v ; Oxford, Bibl. Bodl., MS. Miscell. Liturg. 
346, fol. 28.r 
