Annals of the South African Museum, Volume 21The Museum, 1927 - Natual history |
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Page 35
... adult the snout is normal in shape , but in young individuals up to 12-15 ft . it is produced as a subcylindrical process with the upper apex sharply pointed . The mouth is nearly transverse in the young , but crescentic in the adult ...
... adult the snout is normal in shape , but in young individuals up to 12-15 ft . it is produced as a subcylindrical process with the upper apex sharply pointed . The mouth is nearly transverse in the young , but crescentic in the adult ...
Page 50
... adult of the North Atlantic species spinax . Seeing that they were caught in the same locality as the adults described above , one cannot but presume that they should be considered as the same species . The proportions of the fins are ...
... adult of the North Atlantic species spinax . Seeing that they were caught in the same locality as the adults described above , one cannot but presume that they should be considered as the same species . The proportions of the fins are ...
Page 54
... adults scarcely one remains . ( Plate III , fig . 3. ) Length . - Up to 810 mm . Colour . Uniform greyish ; pupil ... adult . Upper surface of pectoral 1 in ♂ with a marginal series of spines . 54 Annals of the South African Museum .
... adults scarcely one remains . ( Plate III , fig . 3. ) Length . - Up to 810 mm . Colour . Uniform greyish ; pupil ... adult . Upper surface of pectoral 1 in ♂ with a marginal series of spines . 54 Annals of the South African Museum .
Page 60
... adult , leaving A B C FIG . 9. - Diagrams of the mouth and nostrils of A , Rhinobatus annulatus ; B , R. blochi ; C , R. holcorhynchus . only the bases . In young there are also spines around anterior and internal margins of eyes and ...
... adult , leaving A B C FIG . 9. - Diagrams of the mouth and nostrils of A , Rhinobatus annulatus ; B , R. blochi ; C , R. holcorhynchus . only the bases . In young there are also spines around anterior and internal margins of eyes and ...
Page 64
... adult than in young ; lower surface more or less covered with asperities in adult , smooth in young ; large round bucklers bearing claw - like spines scattered irregularly over both surfaces ; tail with a median , and in one or two ...
... adult than in young ; lower surface more or less covered with asperities in adult , smooth in young ; large round bucklers bearing claw - like spines scattered irregularly over both surfaces ; tail with a median , and in one or two ...
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Common terms and phrases
1st dorsal absent adult Agulhas Bank Air-bladder anal fins arch band Barbel Biol blackish Bleeker Branchiostegals Brit canines Cape caudal fin caudal peduncle Colour Colour.-Silvery compressed ctenoid Cuvier and Valenciennes cycloid dark Delagoa Bay Depth of body dorsal and anal dorsal fin Dorsal spines Durban Mus fathoms Fish genus Gilchrist and Thompson Gill Gill-membranes Gill-rakers gill-slits Günther hind margin Hist Ichthyol interorbital width Jordan Lacépède Lateral line length of body length of head Length.-Up Locality.-Natal coast Locality.-Off lower jaw margin of eye Maxilla Maxilla reaching mouth Natal nostril opercle palatine Photophores Plate Poiss posterior premaxilla preopercle preorbital Proc Pseudobranchiae Pyloric caeca Regan Scales scaly serrated silvery slightly snout soft dorsal South African Museum South African species specimens spinous dorsal spots Surv synonymy tail teeth U.S. Nat upper jaw vent vertical villiform vomer Zool