. Annals of the South African Museum = Annale van die Suid-Afrikaanse Museum. Natural history. 214 ANNALS OF THE SOUTH AFRICAN MUSEUM. Fig. 6. Donax haughtoni Hinge details: a. Right valve, b. Left valve. ?o 60 o c 3 o rj 40 i" Donax(lDhiQcnia) roacrsi Haughton Donax hauahtoni o ^%o • O " |. Greatest prc-umbonal length mm. Fig. 7 surface smooth. Inner margin smooth. Antero-ventral margin smoothly rounded, postero-ventral margin with a sHght corner in older valves. Hinge of left valve with 2 cardinal teeth with triangular pit between. Anterior tooth slightly- broader than
. Annals of the South African Museum = Annale van die Suid-Afrikaanse Museum. Natural history. 214 ANNALS OF THE SOUTH AFRICAN MUSEUM. Fig. 6. Donax haughtoni Hinge details: a. Right valve, b. Left valve. ?o 60 o c 3 o rj 40 i" Donax(lDhiQcnia) roacrsi Haughton Donax hauahtoni o ^%o • O " |. Greatest prc-umbonal length mm. Fig. 7 surface smooth. Inner margin smooth. Antero-ventral margin smoothly rounded, postero-ventral margin with a sHght corner in older valves. Hinge of left valve with 2 cardinal teeth with triangular pit between. Anterior tooth slightly- broader than posterior. Hinge of right valve with a low anterior ridge and a prominent, broad cardinal tooth. Latter apically bifid. Rectangular flattened process, posterior to umbo in both valves, at least three times longer than wide. Named after Dr. S. H. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original South African Museum. Cape Town : The Museum
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectnaturalhistory, booky
