. Annals of the South African Museum = Annale van die Suid-Afrikaanse Museum. Natural history. 112 Annals of the South African Museum. 1. Lateral margin of carapace nearly straight, greatest width anteriorly (sometimes post- eriorly). Pterygostomial region very dis- tinctly reticulate (fig. 25, b) . Sesarma. 2. Lateral margin convex, greatest width across middle of carapace .... Cyclograpsus. II. Ant. 1 folding longitudinally in deep notches in the front, visible in dorsal view (fig. 26, a) (Plagusinae). A. 4th joint of mxp. 3 as broad as 3rd. Hand of cheliped not swollen, variously grooved, r


. Annals of the South African Museum = Annale van die Suid-Afrikaanse Museum. Natural history. 112 Annals of the South African Museum. 1. Lateral margin of carapace nearly straight, greatest width anteriorly (sometimes post- eriorly). Pterygostomial region very dis- tinctly reticulate (fig. 25, b) . Sesarma. 2. Lateral margin convex, greatest width across middle of carapace .... Cyclograpsus. II. Ant. 1 folding longitudinally in deep notches in the front, visible in dorsal view (fig. 26, a) (Plagusinae). A. 4th joint of mxp. 3 as broad as 3rd. Hand of cheliped not swollen, variously grooved, rugulose, or granulate (fig. 26, b, g) . . Plagusia. B. 4th joint of mxp. 3 much smaller and narrower than 3rd. Hand of cheliped swollen, especially in ^, smooth (fig. 26, j) . . . Percnon. Gen. Grapsus Lam. 1900. Alcock, J. Asiat. Soc. Bengal, lxix, p. 390. 1910. Stebbing, I. c, p. 317. 1918. Kathbun, I. c, p. 226. 1918. Tesch, I. c, p. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original South African Museum. Cape Town : The Museum


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Keywords: ., bookcentury1800, bookdecade1890, booksubjectnaturalhistory, booky