^V/j. 



f( 

 i 



TRUNCATELLINA OF SOUTH AFRICA. 95 



schr. k. Akad. Wissensch. Wien, Ixvii, p. 71. Jaminia dyso- 

 rata (M. & P.), CONNOLLY, Ann. S. Afr. Mus., ix, 1912, p. 

 180. 



T. dysorata is a short, relatively broad, toothless species, as 

 yet known by the type specimen only. This has been re- 

 described by Mr. Burnup, whose figure and description are 

 copied. It is not worth while to reproduce the insufficient 



d inaccurate earlier description of the same specimen. 



. TRUNCATELLINA QUANTULA (Melv. & Pons.). PL 10, fig. 5. 

 Shell very minute, rimate, diaphanous, brown, cylinder- 

 shaped, the apex obtuse; whorls 6, microscopically delicately 

 lirate, strongly swollen, especially the three middle ones; 

 aperture ovate-rounded; peristome simple, reflected. Length 

 2, width .85 mm." (Melv. & Pom.). 



Length 1.87, width 4th, 5th and 6th whorls 0.84, 6th whorl 

 to labrum 0.91 mm. (M. & P., cotype). 



Cape of Good Hope: Port Elizabeth, south of Baakens 

 Kiver to Schoenmakers Kop (J. Crawford). 



Pupa quant ula MELVILL & PONSONBY, Ann. Mag. N. H., 

 (6), xi, 1893, p. 20, pi. 3, f. 5; (8), i, 1908, p. 81, pi. 2, f. 19. 

 BURNUP, same, vii, 1911, p. 409. Jaminia quantula (M. & 

 P.), CONNOLLY, Ann. S. Afr. Mus., ix, 1912, p. 183. 



"Exceedingly minute, with simple mouth and remarkably 

 swollen, ventricose whorls, especially the third, fourth and 

 fifth, and cylindriform in shape. It is longitudinally striated, 

 but so minutely as to be almost invisible even with a fairly 

 strong lens" (M. & P.). 



1 1 Its nearest ally seems to be P. dysorata M. & P., which it 

 strongly resembles in its remarkably cylindrical form, but 

 from which it may easily be distinguished by its greater 

 length, comparative narrowness, rounder aperture and much 

 finer sculpture ' ' ( Burnup ) . 



28. TRUNCATELLINA IOTA (Melv. & Pons.). PL 10, figs. 6, 7. 



"Shell very small, rimate, subcylindrical, elongate, thin, 



translucent, shining, pale brown; spire slightly narrowing 



tipwards, the greatest width being at the fifth and sixth 

 whorls. Sutures impressed. Apex obtuse. Whorls 7%, very 



