REDESCRIPTION OF <i>APOLONIA TIGIPIOENSIS</i> TORRES AND BRAGA, 1938 (TROMBIDIFORMES: LEEUWENHOEKIIDAE)

The genus Plesiophysa, with a redescription of P. ornata (Haas, 1938) (Gastropoda: Planorbidae).

A redescription of conchological and anatomical characters of the planorbidae mollusc Plesiophysa ornata (Haas, 1938) is presented, based on topotypic material and specimens from 14 additional localities in the Brazilian states of Rio Grande do Norte, Paraíba, Sergipe, Bahia, Espírito Santo and Minas Gerais. Due to the close similarity of their shells, a sure discrimination of the five species ...

Redescription and geographical variation of Monopeltis guentheri Boulenger (Amphisbaenia, Reptilia)

Of Fisheries since 1938

Lynn Margulis, 1938-2011.

O n November 22, 2011, Lynn Margulis, visionary biologist and tireless champion of the microbial world, died of a massive stroke. Born in 1938, Lynn was intellectually precocious, earning her bachelor’s degree from the University of Chicago at age 18 and a Berkeley PhD 6 years later. Lynn’s enduring place in science was earned soon thereafter, with the publication of her theory of endosymbiosis...

Hans Meinhardt (1938–2016)

The famous theoretical biologist Hans Meinhardt died on 11 February 2016 in Tübingen. Meinhardt is well known for mathematical models of biological pattern formation, which he applied to a wide range of problems in developmental biology such as body axis formation, segmentation, limb patterning, regeneration, phyllotaxis and surface patterns — most famously the color patterns on seashells. Hans...