. Annals of the South African Museum = Annale van die Suid-Afrikaanse Museum. Natural history. A NEW SPECIES OF SOUTHERN AFRICAN BREVIRAJID SKATE 257. 1,0cm I 1 Fig. 3. Breviraja stehmanni n. sp. Neurocranium, rostral bar and appendices, and anterior extremities of pectoral rays. Description Measurements for the type and paratype, respectively, are given, while the figures in parentheses refer to the range of variation for 14 specimens. Disc, 1,3; 1,2 (1,2-1,4) times as broad as long, its width 1,8; 1,9 (1,7-1,9) in total length; obtuse in front, tip of snout marked by a low projection, with m
. Annals of the South African Museum = Annale van die Suid-Afrikaanse Museum. Natural history. A NEW SPECIES OF SOUTHERN AFRICAN BREVIRAJID SKATE 257. 1,0cm I 1 Fig. 3. Breviraja stehmanni n. sp. Neurocranium, rostral bar and appendices, and anterior extremities of pectoral rays. Description Measurements for the type and paratype, respectively, are given, while the figures in parentheses refer to the range of variation for 14 specimens. Disc, 1,3; 1,2 (1,2-1,4) times as broad as long, its width 1,8; 1,9 (1,7-1,9) in total length; obtuse in front, tip of snout marked by a low projection, with maximum angle in front of spiracles 123°; 129° (115^-130°); anterior margins slightly concave just behind tip of snout and again at level of spiracles, more strongly so in adult males than in females and juveniles; outer angles broadly rounded, posterior and inner margins strongly convex. Axis of greatest breadth 1,4; 1,5 (1,3-1,7) times as far from tip of snout as from posterior edge of disc. Tail with narrow lateral folds along posterior third; its length from middle of vent to origin of first dorsal fin 1,2; 1,3 (1,1-1,3) times as long as distance from middle of vent to tip of snout. Entire upper surface of disc and tail with small asperities, except tip of snout, narrow anterior margin of pectoral and anterior lobe of pelvic, and mature males with naked area at pectoral base. Orbit with 4-5 (1-6) thorns at anterior margin, well separated from 3 (1-4) thorns on posterior margin and above spiracle; i very small interspiracular thorn on each side in some juveniles ;. 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
