Annals of the South African Museum, Volume 21The Museum, 1927 - Natual history |
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Page 8
... gill and is seen , when the operculum is lifted up , on the inside of the operculum in front of the first gill - arch . Gill - rakers are the processes projecting from the inner side of the gill - arches , varying in number and shape ...
... gill and is seen , when the operculum is lifted up , on the inside of the operculum in front of the first gill - arch . Gill - rakers are the processes projecting from the inner side of the gill - arches , varying in number and shape ...
Page 15
... gill pouches . Ten teeth , the anterior 2 basally fused , in both series . Head 31-3 in total length . Pores 28-31 in front of gill - openings , 58-67 between these and vent , 10-13 behind vent . Length . - Up to 360 mm . Colour ...
... gill pouches . Ten teeth , the anterior 2 basally fused , in both series . Head 31-3 in total length . Pores 28-31 in front of gill - openings , 58-67 between these and vent , 10-13 behind vent . Length . - Up to 360 mm . Colour ...
Page 16
... gill - openings . Teeth 11 in outer , 10 in inner row , the anterior 3 in the outer , the anterior 2 in the inner row basally fused . Head ( i.e. from nostril to first gill - opening ) 43 times ; depth of body ( at level of gill ...
... gill - openings . Teeth 11 in outer , 10 in inner row , the anterior 3 in the outer , the anterior 2 in the inner row basally fused . Head ( i.e. from nostril to first gill - opening ) 43 times ; depth of body ( at level of gill ...
Page 17
... gill - openings . Teeth 10 in both rows ; the anterior 3 in the outer , the anterior 2 in the inner row basally fused . Head 4 times , depth of body 25 times in total length . Ventral fin ending only a short distance ( 8-10 mm ...
... gill - openings . Teeth 10 in both rows ; the anterior 3 in the outer , the anterior 2 in the inner row basally fused . Head 4 times , depth of body 25 times in total length . Ventral fin ending only a short distance ( 8-10 mm ...
Page 18
... gill - arches and openings are 5-7 in number and open separately to the exterior , except in the Holocephali where an operculum is developed . A spiracle , i.e. a vestigial gill cleft , is frequently present in front of the gill ...
... gill - arches and openings are 5-7 in number and open separately to the exterior , except in the Holocephali where an operculum is developed . A spiracle , i.e. a vestigial gill cleft , is frequently present in front of the gill ...
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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