| The distinction between the genera of the Talitridae is mainly based — at least where the Dutch species are concerned — upon the shape and size of propodite and dactylus of the gnathopods (cf. TESCH: Talorchestia brito etc. in Zoologische Mededeelingen, 's Rijks Museum van Nat. Hist., Leiden, Dl. II, 1916). Intermediate between the genera Talitrus and Orchestia is the remarkable genus Talorchestia, which STEBBING christened with that compound name because the females should be referred to Talitrus, but the males to Orchestia, if we ignored that they belong together. For the second gnathopod of the males carries the huge hand, which distinguishes Orchestia ♂ ♂ from Talitrus ♂ ♂. The females, however, differ from those of Orchestia in that their 1st... |
