Annals of the South African Museum, Volume 21The Museum, 1927 - Natual history |
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Page 20
... absent . Heptranchidae . a . Oronasal grooves absent ( except Scyllioyaleus ) . i . Nictitating membrane present ii . Nictitating membrane absent . a . Second dorsal much smaller than first B. Dorsal fins subequal . * Teeth large , awl ...
... absent . Heptranchidae . a . Oronasal grooves absent ( except Scyllioyaleus ) . i . Nictitating membrane present ii . Nictitating membrane absent . a . Second dorsal much smaller than first B. Dorsal fins subequal . * Teeth large , awl ...
Page 21
South African Museum. ( the side of the neck . Labial fold absent or only at angle of lower jaw . Nostrils not connected with mouth ( ie . oronasal grooves absent ) . Teeth dissimilar , in upper jaw one or two pairs of awl - shaped teeth ...
South African Museum. ( the side of the neck . Labial fold absent or only at angle of lower jaw . Nostrils not connected with mouth ( ie . oronasal grooves absent ) . Teeth dissimilar , in upper jaw one or two pairs of awl - shaped teeth ...
Page 22
... absent , caudal without lateral keels and with lower lobe well developed or obsolete . Nictitating membrane present . Spiracle minute or absent . Labial folds present . Nostrils not connected with mouth ( except in Scylliogaleus ) ...
... absent , caudal without lateral keels and with lower lobe well developed or obsolete . Nictitating membrane present . Spiracle minute or absent . Labial folds present . Nostrils not connected with mouth ( except in Scylliogaleus ) ...
Page 32
... absent . Nictitating membrane absent . Spiracles minute or absent . Labial folds present . Nostrils not connected with mouth . Teeth solid , usually with a single large cusp , with or without basal cusps . Five gill - slits , wide or ...
... absent . Nictitating membrane absent . Spiracles minute or absent . Labial folds present . Nostrils not connected with mouth . Teeth solid , usually with a single large cusp , with or without basal cusps . Five gill - slits , wide or ...
Page 46
South African Museum. spines . Anal absent . Spiracles present . Teeth small , uni- or multicuspid , erect or oblique . Nictitating membrane absent . Nostrils not connected with mouth . Labial folds present . Five gill - slits , narrow ...
South African Museum. spines . Anal absent . Spiracles present . Teeth small , uni- or multicuspid , erect or oblique . Nictitating membrane absent . Nostrils not connected with mouth . Labial folds present . Five gill - slits , narrow ...
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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