Annals of the South African Museum, Volumes 43-44The Museum, 1957 - Natural history |
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Page 258
... characters in which the Cape lancelet differs from B. elongatum are the number of dorsal fin chambers ( character 1 ) ... characters the range of variation is such that there is some degree of overlap between the Cape sample and either the ...
... characters in which the Cape lancelet differs from B. elongatum are the number of dorsal fin chambers ( character 1 ) ... characters the range of variation is such that there is some degree of overlap between the Cape sample and either the ...
Page 261
... ( character 1 ) there is a tendency among the Guinea Coast lancelets for this to be high , 400 chambers occasionally being exceeded in B. leonense . With regard to characters other than those treated numerically , it has already been ...
... ( character 1 ) there is a tendency among the Guinea Coast lancelets for this to be high , 400 chambers occasionally being exceeded in B. leonense . With regard to characters other than those treated numerically , it has already been ...
Page 263
... characters with B. belcheri and do not differ very greatly from B. bazarutense . The occurrence of B. belcheri on the coast of East Africa is of special interest as this species seems to be predominantly an Asiatic form . It has already ...
... characters with B. belcheri and do not differ very greatly from B. bazarutense . The occurrence of B. belcheri on the coast of East Africa is of special interest as this species seems to be predominantly an Asiatic form . It has already ...
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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