Annals of the South African Museum, Volume 55The Museum, 1970 - Natural history |
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Page 127
... difference being the considerably narrower head of A. microcephalus . A. pellegrini and A. knysnaensis are by no means as readily separable . Smith ( 1964 ) distinguished A. knysnaensis from A. pellegrini chiefly on the length of the ...
... difference being the considerably narrower head of A. microcephalus . A. pellegrini and A. knysnaensis are by no means as readily separable . Smith ( 1964 ) distinguished A. knysnaensis from A. pellegrini chiefly on the length of the ...
Page 176
... difference . The claspers of a mature male of R. alba ( 1 700 mm total length ) in the collection of the Oceanographic Research Institute , Durban , have been examined ( fig . 8 ) . The present author is unable to detect a single difference ...
... difference . The claspers of a mature male of R. alba ( 1 700 mm total length ) in the collection of the Oceanographic Research Institute , Durban , have been examined ( fig . 8 ) . The present author is unable to detect a single difference ...
Page 203
... differences are significant ( fig . 16 ) . Furthermore , although the precaudal vertebral count is similar in the two species , there is a small difference in the range of trunk vertebrae . The identity of R. confundens is confirmed by ...
... differences are significant ( fig . 16 ) . Furthermore , although the precaudal vertebral count is similar in the two species , there is a small difference in the range of trunk vertebrae . The identity of R. confundens is confirmed by ...
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Common terms and phrases
acuminatus anal fin Barnard Blennioclinus brevicristatus Cape Point Cape Town Caudal fin Caudal fin subtruncate Caudal peduncle Clinidae Clinus Clinus Clinus Colouring cottoides crest disc and tail disc width distance between orbits dorsal fin dorsal soft rays False Bay fishes fourth dorsal spines genera genus Clinus Gilchrist & Thompson head length Head pore system heterodon holotype Hubbs interorbital intertidal Intromittent organ juvenile Lambert's Bay Lateral line Lateral view length from middle lips lobes Lüderitzbucht margins membrane between third mentalis middle of vent Mouth nostril nuchal organ of male paratype Pavoclinus Pectoral fin posterior Raja rostral appendices rostral cartilage S.A.M. not catalogued Sensory pores separate horizontal tubes short separate horizontal Smith South African Museum species specimens spiracles standard length supraorbital tentacle surface of disc three dorsal spines tip of snout total length tubes with pore type-species upper jaw Valenciennes vent to tip Ventral surface Vertebrae Vomer Vomer toothed