. Annals of the South African Museum = Annale van die Suid-Afrikaanse Museum. Natural history. 16 Annals of the South African Museum. cut throughout by a continuation of the early spiral sculpture; suture simple, well defined. Aperture nearly square, peristome moderately reflexed, dentition consisting of a small, acute, straight parietal tooth 1-8 mm. in length, and an inconspicuous columellar fold, encircling the rima, well within the aperture. The specimen described measures Long. 25-1, lat. 14-6; apert. alt. 10-6, lat. 7-0; last whorl 17-8 mm., but the length varies from 23 to 28 mm. Hab. L
. Annals of the South African Museum = Annale van die Suid-Afrikaanse Museum. Natural history. 16 Annals of the South African Museum. cut throughout by a continuation of the early spiral sculpture; suture simple, well defined. Aperture nearly square, peristome moderately reflexed, dentition consisting of a small, acute, straight parietal tooth 1-8 mm. in length, and an inconspicuous columellar fold, encircling the rima, well within the aperture. The specimen described measures Long. 25-1, lat. 14-6; apert. alt. 10-6, lat. 7-0; last whorl 17-8 mm., but the length varies from 23 to 28 mm. Hab. LOEENZO MAEQUES. District north of Macequece (Cressy). S. EHODESIA. Vumbu (or Vumba) Mts., Umtali (Arnold); Mt. Silinda (Sandground). Type, described from an unknown locality, in British Museum. The parietal tooth appears to be formed after maturity; young shells are clearly perforate to the apex. The foot-sole is undivided and there are no peripodial grooves; hind end of foot bluntly pointed, no keel, but a median posterior groove present; lower tentacles apparently bifid; radula (of im- mature animal) 8-4 x 1-4 mm., teeth all unicuspid, of aculeate form, fairly uniform in shape, gradually increasing in size from 1-6 and decreasing from 10th tooth to margin; no central tooth; formula (24 + 0 + 24) x 86. Gonaxis vengoensis Conn. (Text-fig. 3.) 1922. Gonaxis (Eustreptaxis) vengoensis Conn., , x, p. 114. 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
