. Annals of the South African Museum = Annale van die Suid-Afrikaanse Museum. Natural history. Fig. 22.—Metopograpsus. a, ventral view of orbit, to show complete infra-orbital margin (i.o.m.) and ant.2 excluded from orbit by inner orbital lobe (i.o.L). Pachygrapsus. b, the same, showing ant. 2 entering the orbit. Varuna. c, the same, showing incomplete infra-orbital margin supplemented by the sub-orbital crest (s.o.c). Grapsus maculatus (Catesby). d, ventral view of front and epistome, ant. 1 removed, socket narrow. Grapsus strigosus (Herbst). e, the same, socket broad. Carapace little broader

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. Annals of the South African Museum = Annale van die Suid-Afrikaanse Museum. Natural history. Fig. 22.—Metopograpsus. a, ventral view of orbit, to show complete infra-orbital margin (i.o.m.) and ant.2 excluded from orbit by inner orbital lobe (i.o.L). Pachygrapsus. b, the same, showing ant. 2 entering the orbit. Varuna. c, the same, showing incomplete infra-orbital margin supplemented by the sub-orbital crest (s.o.c). Grapsus maculatus (Catesby). d, ventral view of front and epistome, ant. 1 removed, socket narrow. Grapsus strigosus (Herbst). e, the same, socket broad. Carapace little broader than long, depressed, branchial groove distinct, hepatic and branchial regions with regular obliquely trans- verse ridges, lateral margin convex with one tooth behind outer. 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 work.. South African Museum. Cape Town : The Museum