Annals of the South African Museum, Volumes 43-44The Museum, 1957 - Natural history |
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Page 255
... dorsal fin and in the number of preanal fin chambers . In speci- mens under 40 mm . in length the tallest of dorsal fin chambers are 4.0-6.0 times as high as broad ( Mean 4.9 ) and the height of the dorsal fin is contained 7-10 times in ...
... dorsal fin and in the number of preanal fin chambers . In speci- mens under 40 mm . in length the tallest of dorsal fin chambers are 4.0-6.0 times as high as broad ( Mean 4.9 ) and the height of the dorsal fin is contained 7-10 times in ...
Page 262
... dorsal fin chambers 3.0-3.6 times as high as broad : Mean 3 · 17 : Standard Deviation 0.24 : S.D. 7.48 per cent of the Mean . 4. Height of the dorsal fin contained 7-10 times in the depth of the body in the mid - atrial region : Mean 8 ...
... dorsal fin chambers 3.0-3.6 times as high as broad : Mean 3 · 17 : Standard Deviation 0.24 : S.D. 7.48 per cent of the Mean . 4. Height of the dorsal fin contained 7-10 times in the depth of the body in the mid - atrial region : Mean 8 ...
Page 47
... dorsal process of the tenth segment . imago ( in alcohol ) . Head : face yellowish , vertex light brown ; antennae ... dorsal side ; sternite ending in a small rounded point . Tenth segment with a bilobed transverse dorsal plate ...
... dorsal process of the tenth segment . imago ( in alcohol ) . Head : face yellowish , vertex light brown ; antennae ... dorsal side ; sternite ending in a small rounded point . Tenth segment with a bilobed transverse dorsal plate ...
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Common terms and phrases
1st whorl 4th joint Abdomen adnate apex apical axial ribs Barnard Bartsch basal base behaart beschuppt Billard Brnrd Burmeister 1844 capensis colony cynodonts Delagoa Bay Description dicht dorsal Drillia Durban East London edge False Bay fathoms Flügeldecken genus gnathopod gonophores Gonotheca Halsschild Holotype hydranth hydrocladia hydrorhiza hydrothecae Inhambane inner internode Keratocephalus Kosi Bay lancelet Länge lateral length adcauline Lip sinus lirae margin maximum diameter median Moschops narrow Natal nematotheca node oblique Operculum outer P.F. Coll pair parietal pedicel peraeon segments peraeopod Péringuey perisarc pleon pleopod Port Alfred postcanine posterior Postnatal whorls Proc Protoconch Pygidialteil Pygidium quadrate radula ramus Records Remarks Scalenodon Schildchen Schuppen schwarz Sertularella skull slightly smooth South African Museum Sowerby species specimens spines spiral lirae Stechow stem sulcus surface suture Tapinocephalus teeth telson thickened Thiele tooth Transvaal transverse tritylodontids tubercles Turton uropods ventral width Zool