Annals of the South African Museum: Annale Van Die Suid-Afrikaanse Museum, Volume 21, Part 1South African Museum, 1925 - Natural history |
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Page 5
... fin . The tail is sometimes included , but only where specifically stated ... fins . The length of the head is the distance between the point of the snout ... ventral fin . These scale - counts are usually written as a formula , thus ...
... fin . The tail is sometimes included , but only where specifically stated ... fins . The length of the head is the distance between the point of the snout ... ventral fin . These scale - counts are usually written as a formula , thus ...
Page 6
... fin . " used in the descriptions . 8. Maxilla . 9. Preorbital . 10. Preopercle . 11. Opercle . 2. Soft dorsal fin . Vertical fins . 3. Caudal fin . 4. Anal fin . 5. Pectoral fin . Paired fins . 6. Ventral ( pelvic ) fin . 12 ...
... fin . " used in the descriptions . 8. Maxilla . 9. Preorbital . 10. Preopercle . 11. Opercle . 2. Soft dorsal fin . Vertical fins . 3. Caudal fin . 4. Anal fin . 5. Pectoral fin . Paired fins . 6. Ventral ( pelvic ) fin . 12 ...
Page 7
... fins is also expressed by a formula . Firstly , the initial letter of the fin is given , D for dorsal , A for anal , etc .; for this reason the pelvic fins are termed the ventral fins , so that the initial letter is not the same as that ...
... fins is also expressed by a formula . Firstly , the initial letter of the fin is given , D for dorsal , A for anal , etc .; for this reason the pelvic fins are termed the ventral fins , so that the initial letter is not the same as that ...
Page 11
... fins are absent , but there is 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 ...
... fins are absent , but there is 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 ...
Page 18
... ventral , and each has only a single opening . The vent and urino- genital organs open by a common ( cloacal ) aperture . Males with intromittent organs in the form of claspers on the ventral fins . In opposition to the Bony Fishes ...
... ventral , and each has only a single opening . The vent and urino- genital organs open by a common ( cloacal ) aperture . Males with intromittent organs in the form of claspers on the ventral fins . In opposition to the Bony Fishes ...
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Common terms and phrases
1st dorsal absent adipose fin Air-bladder anal fins Atlantic Barbel base of caudal Biol Body elongate Branchiostegals Brauer Cape Point capensis caudal fin Cleft of mouth Colour compressed ctenoid cycloid Depth of body diameter of eye dorsal and anal Dorsal commencing dorsal fin Durban Mus fathoms Fish genus Gilch Gilchrist and Thompson Gill Gill-rakers gill-slits Gnthr Günther hind margin Hist Ichthyol Indo-Pacific interorbital width lateral line length of body length of head length of snout Length.-Up Locality.-Natal coast Locality.-Off Cape Point lower jaw margin of eye Maxilla Maxilla extending moderate Natal nostril operculum palatine pectoral fins pelvics Photophores Plate Poiss posterior premaxilla Pseudobranchiae Pyloric caeca rays Regan serrated silvery South African Museum South African species Spec specimens Spiracles spots subequal Surv Table Bay tail text-fig Tiefsee Exp upper jaw vent ventral fins vomer Zool