rosalina

[Lat. rosal ( is ); fem. sing. suff. -ina. So named because the cells are circularly arranged like the petals of a rose.] 1. Zool .: A genus of Imperforate Foraminifera, family Uvellidea, of Reu . Series of cells regularly spiral, continuous aperture simple, i . e ., not closed by a lid. 2. Palæont .: Six European species from the Chalk, and two from the Pleistocene. rõş-ăn-il-îne, s. [Eng.ros( e ), and aniline .]