. Annals of the South African Museum = Annale van die Suid-Afrikaanse Museum. Natural history. 478 Annals of the South African Museum. 1894. Ortmann, Semon's Austral. Keise, v, p. 26 (references and discussion). 1913. Doflein and Balss, D. Tiefsee Exp., xx, p. 162. 1918. Stebbing, Ann. Durban Mus., ii, p. 58 (speciosus). 1920. Id., I. c, p. 261 (politus). 1926. Laurie, I. c, p. 140 (references). Frontal margin broadly triangular, length (to transverse gastric ridges) half its basal width, margins undulate, apex narrowly Fig. 89.—Petrolisthes lamarckii (Leach), a, carapace, b, ventral
. Annals of the South African Museum = Annale van die Suid-Afrikaanse Museum. Natural history. 478 Annals of the South African Museum. 1894. Ortmann, Semon's Austral. Keise, v, p. 26 (references and discussion). 1913. Doflein and Balss, D. Tiefsee Exp., xx, p. 162. 1918. Stebbing, Ann. Durban Mus., ii, p. 58 (speciosus). 1920. Id., I. c, p. 261 (politus). 1926. Laurie, I. c, p. 140 (references). Frontal margin broadly triangular, length (to transverse gastric ridges) half its basal width, margins undulate, apex narrowly Fig. 89.—Petrolisthes lamarckii (Leach), a, carapace, b, ventral view of 1st joint of left 1st antenna, c, ventral view of left 2nd antenna, d, 4th and 5th joints of cheliped. Petrolisthes ornatus Paulson, e-h, as in a-d respectively. No supra-orbital spine. Epibranchial spine present. Lateral margin entire, costate. Surface feebly squamose-rugulose. 1st peduncular joint of ant. 1 with distal end abruptly narrowed to a transverse keel with a blunt point at outer distal angle. 2nd (1st free) peduncular joint of ant. 2 keeled on front margin along whole length, 3rd (2nd free) joint squarely prominent at its proximal front angle. 4th joint of cheliped with rounded lobe on inner (front) apex, 2 spines (sometimes only one) on lower distal margin, 5th joint about twice as long as wide, with 3 (or 4) low teeth on inner margin, the proximal one the most prominent, hind margin with a ridge bearing imbricate teeth increasing in size distally, surface of wrist and hand more or less squamose-. 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: 2013px × 1241px
Photo credit: © Library Book Collection / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1800, bookdecade1890, booksubjectnaturalhistory, booky
