162 GASTROCOPTA, AUSTRALIA. 



teeth; margins joined by a broad, thick callus, continuous 

 with the peristome. Diameter 0.06; length 0.11 of an inch" 

 (Cox). 



Queensland: Moreton Bay (Masters). 



Pupa morctonensis Cox, Monograph of Australian Laud 

 Shells, 1868, p. 81, pi. 14, f. 21, 21a. 



Cox's figures are copied. His description indicates a shell 

 having four ( five ) teeth in cruciform arrangement : an angulo- 

 parietal, a "longer and thicker" lower palatal, a columellar, 

 which from the description may be presumed to be of the 

 horizontal type, and a small upper palatal. No infraparietal 

 or basal is mentioned. A broad, thick parietal callous makes 

 the peristome continuous. The size assigned, length 2.75, 

 diam. 1.5 mm., is about that of G. pediculus (rossiteri), which, 

 however, has a basal fold. 



Until further collections are made in the type locality, the 

 status of G. moretonensis will remain uncertain. None of 

 Cox's specimens are known to be extant, and Mr. Hedley re- 

 gards it as a lost species. It has been reported as Vertigo 

 moreto-nensis Cox by Tryon, Proc. Roy. Soc. Queensland, v, 

 1888, p. 136, from Mundoolun, Albert River, collected by A. 

 J. Norton. 



Series of B. macdonnelli. 



Columellar lamella horizontal in front, its inner end turn- 

 ing downward. 



99. GASTROCOPTA MACDONNELLI (Brazier). PI. 27, figs. 9, 11, 

 12. 



"Shell small, dextral, umbilicately fissured, oblong, thin, 

 shining, smooth, white ; whorls 5, rounded, the last small, 

 suture impressed, narrow, apex obtuse ; aperture somewhat 

 squarely ovate, longer than broad, denticulated with 5 teeth. 

 4 prominent, the upper one large, placed in the center of the 

 aperture, and extending upwards in a thick rounded callus, 

 the second placed to the left, minute and rounded, the third 

 on the columella, thick and pointed, the fourth facing the 

 upper, moderately pointed, the fifth about equal in size to the 

 fourth ; the aperture divided into four parts, peristome thick- 



