76 



nach dem Autor selbst auf eine junge Rh. inaequalis gegründet , doch meint Crosse , dass 

 seine Abbildung nicht damit übereinstimme. Da seine Originale nicht aufzufinden sind, so 

 bleibt die Form jedenfalls sehr zweifelhaft. 



ISJ^ a c h t r a g- 



Es ist mir gelungen, nachträglich die MöUendorff unzugänglich gebliebenen, S. 56 er- 

 wähnte Arbeit von Brazier aufzutreiben, ich kopire hier die Beschreibungen der dort ge- 

 nannten Arten. Kobelt. 



Helix (Rhytida) beddomei Brazier. 



Shell largely andpopenly nmbllicated, rather depressely globose, very thin, obliqnely closely striated on 

 Upper surface, pale yellowish brown, shining-, irregnlarly streaked with dark yellow; apex obtnse; whorls 4'/^ 

 moderately convei, tbe last very large, sligtly flattened and inflated in front, sutüre distinct, rounded at the 

 periphery, base convex, nearly smooth ; nmbilicns perspective, margin smooth ; aperture oblique, Innately ovate ; 

 peristome simple, pinkish wlthin, margins approximating, tho right descending in front, colamellar margin 

 broad and reflected. 



Diam. maj. 14, min. 11,5, alt. 7". 



Helix (Rhytida) Beddomei Brazier, Thirty five new Land-Shella from the Torrea Strait 

 Expedition, in: Pr. Linn. Soc. N. S. Wales, vol. 1 p. 98 (1877). 



Albany Island & Cap York, Nord Australia. 



Somewhat alUed to Hei. franklandiensis Forbes it differs by beeing much thinner, more 

 turbinated, coarser in sculpture, smaller umbilicus, pale yellowish with darker, radiating 

 strikes. 



Helix (Rhytida) hobsoni Brazier. 



Shell nmhilicated, rather flatly orhicnlarly depressed, thin, glossy, dark yellowish-horn, nearly smooth, 

 faintly striated, with numerous irregulär dark radiating rays ; whorls 3 — S'/j slightly convex, last large, de- 

 pressed above, descending a little in front; spire slightly elevated; apex obtuse; sutnre impressed; periphery 

 ronndly convex, base convex, smooth; nmbilicns large, perspective, regnlarly ronnded at the margin. Aper- 

 ture somewhat oblique, lunately ovale, interior pink; peristome simple, thin; margins approximating; cola- 

 mellar margin thinly expanded. 



Diam. maj. 4,5, min. 3,5, alt. 2'". 



Helix (Rhydita) Hobsoni 1. c. p. 98. 



Palm Island, North-east of Australia. 



