The authorship of Myzomorphus is attributed to Sallé (1850) and, consequently, its type species is Myzomorphus scutellatus Sallé, 1850. The year of publication of the work by Sallé is changed from 1849 to 1850. Comments on the syntypes of M. scutellatus are provided.

Iskander Aliev A sharp lower bound for the Frobenius number Ferdinand Georg Frobenius (1849–1917) raised the following problem: given N positive integers a1, . . . , aN with gcd(a1, . . . , aN ) = 1, find the largest natural number gN = gN (a1, . . . , aN) (called the Frobenius

We present multiwavelength imaging observations of PKS 1045−188, 8C 1849+670, and PKS 2216−038, three radio-loud active galactic nuclei from the MOJAVE-Chandra Sample that straddle the Fanaroff-Riley (FR) boundary between lowand high-power jets. These hybrid sources provide an excellent opportunity to study jet emission mechanisms and the influence of the external environment. We used archival ...

Abstract King William II of the Netherlands (1792–1849) created important art collections with benefit advice from leading dealers at home and abroad, for which special premises were built in one royal palaces The Hague. Whenever monarch was not residence, these made accessible to visitors. Following William’s sudden death 1849 almost everything sold paintings are now distributed around world. ...

Joaquín Álvarez BarrientosMaquetista y artillero. León Gil de Palacio (1778-1849), entre ciudad patrimonioZaragoza: Prensas la Universidad Zaragoza, 2022. 414 pp. Tapa blanda. Idioma: español. 28 €ISBN: 978-84-1340-406-6