All the above-mentioned prelates are entitled to wear the mantelletta and rochet.    From Wordnik.com.  [The Catholic Encyclopedia, Volume 10: Mass Music-Newman] Reference

If the canon be a bishop he should wear the rochet and mantelletta over his purple cassock.    From Wordnik.com.  [The Catholic Encyclopedia, Volume 3: Brownson-Clairvaux] Reference

The mantellone, the outer vestment of the prelates, differs from the mantelletta by being longer and having wing-like sleeves.    From Wordnik.com.  [The Catholic Encyclopedia, Volume 9: Laprade-Mass Liturgy] Reference

Cardinals and bishops belonging to orders which have a distinctive dress, also abbots who are entitled to wear the mantelletta, retain for it the colour of the habit of the order.    From Wordnik.com.  [The Catholic Encyclopedia, Volume 9: Laprade-Mass Liturgy] Reference

He enjoys the same honorific privileges (with a few exceptions, viz. throne, cappa magna, mozzetta, and rochet worn without mantelletta, and crosier), pontifical ornaments, and titles, as does the diocesan.    From Wordnik.com.  [The Catholic Encyclopedia, Volume 2: Assizes-Browne] Reference

The mantelletta is probably connected with the mantellum of the cardinals in the "Ordo" of Gregory X (1271-1276) and with the mantellum of the prelates in the "Ordo" of Petrus Amelius (d. 1401), which was a vestment similar to a scapular.    From Wordnik.com.  [The Catholic Encyclopedia, Volume 9: Laprade-Mass Liturgy] Reference

He can and must use the prelatial dress, as in the Roman Curia, to wit: rochet over the purple soutane with purple mantelletta, in his attendance in the cathedral, where he has precedence over all other canons and dignitaries, as to choir stall and functions.    From Wordnik.com.  [The Catholic Encyclopedia, Volume 2: Assizes-Browne] Reference

A prelate di mantelletta should be addressed as "hochwürdigster Herr Prälat" (Most worthy Lord.    From Wordnik.com.  [The Catholic Encyclopedia, Volume 1: Aachen-Assize] Reference

The other prelates di mantelletta, whether enrolled in a college of prelates or not, have the title of "Most Illustrious and.    From Wordnik.com.  [The Catholic Encyclopedia, Volume 1: Aachen-Assize] Reference

+ Lastly, in the matter of honorific rights and privileges the metropolitan has the pallium as the ensign of his jurisdiction; he takes precedence of all bishops; he may have the archiepiscopal cross (crux gestatoria) borne before him anywhere within his province, except in the presence of a papal legate; he may celebrate pontifically (saving such acts as constitute an exercise of jurisdiction, e.g., ordination), may wear his rochet and mozetta uncovered (not hidden under the mantelletta, like a bishop of another diocese); may bless publicly, and may grant an indulgence of 100 days (S.C. Indulg.    From Wordnik.com.  [The Catholic Encyclopedia, Volume 10: Mass Music-Newman] Reference