Reproductive cells, [27], [28], [111].
Rhodites rosae, parthenogenesis of, [325].
Richter, on inheritance of acquired characters, [438].
Robin, on pole-cells of Diptera, [197].
Rolph, on conjugation, [286].
Romanes, on correlation, [389].
Roth, on heredity, [166], [169].
Rotifera, unequal length of life in two sexes of, [58];
polar bodies of, [350].
Roule, on origin of ova, [222].