Annals of the South African Museum, Volume 21The Museum, 1927 - Natual history |
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Page 18
... upper jaw is formed by the palatine ( palato - quadrate ) cartilages which meet in front , and corresponds not with the upper jaw in the Bony Fishes , but with the palatine bones . It is usually attached to the cranium by ligaments ...
... upper jaw is formed by the palatine ( palato - quadrate ) cartilages which meet in front , and corresponds not with the upper jaw in the Bony Fishes , but with the palatine bones . It is usually attached to the cranium by ligaments ...
Page 19
... ( Upper Karroo ) , and teeth of Carcharodon , Lamna , and Oxyrhina in Cretaceous and Tertiary strata . ORDER 1. PLAGIOSTOMI ( TREMATOPNEA ) . Sharks and Skates . Regan , Proc . Zool . Soc . , 1906 , p . 722 . Garman , Mem . Mus . Comp ...
... ( Upper Karroo ) , and teeth of Carcharodon , Lamna , and Oxyrhina in Cretaceous and Tertiary strata . ORDER 1. PLAGIOSTOMI ( TREMATOPNEA ) . Sharks and Skates . Regan , Proc . Zool . Soc . , 1906 , p . 722 . Garman , Mem . Mus . Comp ...
Page 21
... upper jaw , lower median tooth with lateral cusps but no central cusp , 1st cusp of lower teeth larger than the others . Upper edge of tail with 3-6 series of enlarged oval scales . Pupil subcircular . ( Plate I , fig . 1. ) Length ...
... upper jaw , lower median tooth with lateral cusps but no central cusp , 1st cusp of lower teeth larger than the others . Upper edge of tail with 3-6 series of enlarged oval scales . Pupil subcircular . ( Plate I , fig . 1. ) Length ...
Page 24
... upper jaw . Teeth about 20 in upper , 18 in lower jaw , oblique , not serrated . Hind margin of pectoral slightly concave , upper angle somewhat pointed , reaching beyond origin of dorsal . Length . - Up to 700-800 mm . Colour . - Grey ...
... upper jaw . Teeth about 20 in upper , 18 in lower jaw , oblique , not serrated . Hind margin of pectoral slightly concave , upper angle somewhat pointed , reaching beyond origin of dorsal . Length . - Up to 700-800 mm . Colour . - Grey ...
Page 25
... upper , 25 in lower jaw , serrated , with a small non - serrated median tooth . Origin of 1st dorsal just behind ... upper with outer margin excised , lower more slender than upper , both finely serrulate , the lower ones very minutely ...
... upper , 25 in lower jaw , serrated , with a small non - serrated median tooth . Origin of 1st dorsal just behind ... upper with outer margin excised , lower more slender than upper , both finely serrulate , the lower ones very minutely ...
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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