Annals of the South African Museum, Volume 21The Museum, 1927 - Natual history |
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Page 11
... narrow dorsal fin which is continued round the tail on to the ventral side , forming an anal fin . From the evolutionary point of view Amphioxus is important , because it shows some of the essential Vertebrate characters in a very m a ...
... narrow dorsal fin which is continued round the tail on to the ventral side , forming an anal fin . From the evolutionary point of view Amphioxus is important , because it shows some of the essential Vertebrate characters in a very m a ...
Page 28
... narrow , and pointed . Numerous mucous pores on head , especially a patch in front of eye and paired . patches on upper surface of snout . Length . - 550 mm . Locality . - Cabenda Bay , Congo . Type in the British Museum . This species ...
... narrow , and pointed . Numerous mucous pores on head , especially a patch in front of eye and paired . patches on upper surface of snout . Length . - 550 mm . Locality . - Cabenda Bay , Congo . Type in the British Museum . This species ...
Page 44
... narrow , acutely pointed , and notched on posterior margin , without cirrus . Labial folds on both jaws for about half their length . Base of anal less than its distance from caudal . Length . - Up to 750 mm . Colour . Black , with dark ...
... narrow , acutely pointed , and notched on posterior margin , without cirrus . Labial folds on both jaws for about half their length . Base of anal less than its distance from caudal . Length . - Up to 750 mm . Colour . Black , with dark ...
Page 50
... narrow ring around the mouth . But for this smooth ring around the mouth the specimens are in perfect agreement with niger . * Etmopterus lucifer Jord . and Snyd . 1902. Jordan and Snyder , Proc . U.S. Nat . Mus . , vol . xxv , p . 79 ...
... narrow ring around the mouth . But for this smooth ring around the mouth the specimens are in perfect agreement with niger . * Etmopterus lucifer Jord . and Snyd . 1902. Jordan and Snyder , Proc . U.S. Nat . Mus . , vol . xxv , p . 79 ...
Page 51
... narrow , erect ; those in lower jaw broad with oblique cusps . Inner angle of pectoral not produced . Dermal denticles pedunculate , with flattened ovoid crown . Pupil circular . Centroscymnus fuscus Gilch . and von B. Slender - toothed ...
... narrow , erect ; those in lower jaw broad with oblique cusps . Inner angle of pectoral not produced . Dermal denticles pedunculate , with flattened ovoid crown . Pupil circular . Centroscymnus fuscus Gilch . and von B. Slender - toothed ...
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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