. Breviora. 6 BREVIORA NO. 24 Mouth: breadth , Nostrils: distance between inner edges , Gill openings: lengths, 1st , ; 3rd , ; 5th , ; distance between inner ends, 1st , ; 5th , Caudal fin: length of base, upper , ; lower , Distance: from tip of snout to center of cloaca , ; from center of cloaca to tip of tail , Pelvics: anterior margin , 28 . 30 . „ , „ „ 28 . , ^ m male of 262 mm. Teeth: ^ in type; o^ in female of 428 mm. 28 Disc, from base of rostral filament, about times as wide as long, so br
. Breviora. 6 BREVIORA NO. 24 Mouth: breadth , Nostrils: distance between inner edges , Gill openings: lengths, 1st , ; 3rd , ; 5th , ; distance between inner ends, 1st , ; 5th , Caudal fin: length of base, upper , ; lower , Distance: from tip of snout to center of cloaca , ; from center of cloaca to tip of tail , Pelvics: anterior margin , 28 . 30 . „ , „ „ 28 . , ^ m male of 262 mm. Teeth: ^ in type; o^ in female of 428 mm. 28 Disc, from base of rostral filament, about times as wide as long, so broadly rounded in front that its anterior contour is not susceptible to angular measurement; the rostral filament about ^ as long as orbit, soft, narrow triangular, tapering to very slender but blunted Fig. 2. Fseuduraja Jischcri. Left, ventral view of oronasal region with right hand nasal flap rolled back to show nostril and oronasal pit (0). x about 1. Right, skin from central part of pectoral, to show arrangement of prickles. X about 3 1/2. Anterior margins of pectorals weakly concave abreast of eyes and spiracles, convex thence rearward; outer corners broadly rounded; posterior margins moderately convex; posterior corners rather ab- ruptly rounded; inner margins weakly convex, to axils. Tail slender, its dorsal surface nearly flat, but its sides and lower surface rather broadly arcuate in cross section; its breadth at axils of pelvics about 80 per cent as great as length of orbit, its length, from center of cloaca to tip, about times as gi-eat as distance from center of cloaca to base of rostral filament; the lateral caudal folds confined to about posterior 3^ of tail and extending a little beyond origin of caudal fin, very narrow along their anterior part, but widening rearward until. 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 ma
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Keywords: ., bookauthorharvarduniversitymuseumofcomparative, bookcentury1900
