. Annals of the South African Museum = Annale van die Suid-Afrikaanse Museum. Natural history. DECAPOD CRUSTACEA FROM THE SOUTH-WEST INDIAN OCEAN 6l Family Dorippidae E thus a sine spina Fig. 4 a-c Ethusa spp. Alcock, 1896: 281-286. Doflein, 1904: 27-32. Description: Carapace slightly longer than broad, finely and evenly granulate, anterior portion with fine scattered hairs. Frontal indentation forming angle of about 60°. Front bilobed, 4-toothed, inner teeth slightly longer than outer, smooth rounded indentation separating the 2 teeth. Supra-orbital angle acute. External orbital spine a
. Annals of the South African Museum = Annale van die Suid-Afrikaanse Museum. Natural history. DECAPOD CRUSTACEA FROM THE SOUTH-WEST INDIAN OCEAN 6l Family Dorippidae E thus a sine spina Fig. 4 a-c Ethusa spp. Alcock, 1896: 281-286. Doflein, 1904: 27-32. Description: Carapace slightly longer than broad, finely and evenly granulate, anterior portion with fine scattered hairs. Frontal indentation forming angle of about 60°. Front bilobed, 4-toothed, inner teeth slightly longer than outer, smooth rounded indentation separating the 2 teeth. Supra-orbital angle acute. External orbital spine acute, directed slightly outward, not reaching to tip of outer frontal spine. Carapace regions not very well demarked, cardiac and branchial regions with indistinct delimiting grooves. Branchial regions very slightly convex in dorsal view. Antennal peduncle slightly longer than frontal spines. Eyestalks stout, movable. Efferent branchial canals ending just behind frontal notch. Chelipeds small, finger and thumb equal in length to palm. Finger and thumb separated by gap, each with 4 small teeth on cutting edge. Dactylus of 3rd leg longer than propodus, equal in length to merus. Abdomen 7-jointed, 3rd and 4th joints widest. Distal segment apically 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
Size: 1361px × 1837px
Photo credit: © Library Book Collection / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1800, bookdecade1890, booksubjectnaturalhistory, booky
