. Annals of the South African Museum. Annale van die Suid-Afrikaanse Museum. RIGIDITY OF PECTORAL FIN OF MAKAIRA INDICA (gUVIER) J73 marginal ray coraco-radialu muscle. Fig. 5. Adductor superficialis musculature of Makaira indica. muscle, arises from the medial surface of the coracoid and inserts on the last two radials. In general the abductor and adductor portions are very similar in M. indica and M. audax (figs. 3, 4, 5). In M. indica the superficial and the deep abductor of the marginal ray form a bundle clearly separated from the abductors of the remaining fin rays, while in M. audax the
. Annals of the South African Museum. Annale van die Suid-Afrikaanse Museum. RIGIDITY OF PECTORAL FIN OF MAKAIRA INDICA (gUVIER) J73 marginal ray coraco-radialu muscle. Fig. 5. Adductor superficialis musculature of Makaira indica. muscle, arises from the medial surface of the coracoid and inserts on the last two radials. In general the abductor and adductor portions are very similar in M. indica and M. audax (figs. 3, 4, 5). In M. indica the superficial and the deep abductor of the marginal ray form a bundle clearly separated from the abductors of the remaining fin rays, while in M. audax the abductors for the marginal ray are not distinct. In both species the last ten rays form a distinct lobe with a separate and well-defined musculature; the abductor portions of the muscula- ture of this lobe are identical in the two species. There are certain differences in the adductor musculature of the two species (figs. 4, 5); again in M. indica the adductors of the marginal ray are clearly defined and in addition have a slightly different origin, arising from the posterior dorsal process of the cleithrum rather than from the medial arm of the cleithrum. In general the adductor muscles in M. audax are arranged so that the fibres are relatively longer than in M. indica. The greatest difference is in the adductor musculature of the ventral lobe, with which the present. 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 [etc. ] The Museu
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Keywords: ., bookauthorsouthafr, bookcentury1800, bookdecade1890, bookyear1898