146 PUPOIDES, AUSTRALIA. 



27. PUPOIDES MYOPORIN^ (Tate). PL 15, fig. 6. 



Shell sinistral, umbilicated, oblong-turreted, very thin, 

 translucent, yellowish horn-colored, showing under the lens 

 regular fine transverse striae. Spire elongated, gradually 

 tapering, rather acute; whorls five, moderately convex, last 

 whorl equaling one-third the total length of the shell. Aper- 

 ture somewhat ovate; peristome white, expanded, especially 

 the columella margin; left margin with a white tooth-like 

 callosity in the angle. Length .18, breadth .06 inch [about 

 4.5x1.5 mm.] (Tate). 



South Australia: Under small bushes on the sandy margin 

 of the salt swamp at Peelunibie, head of the Great Australian 

 Bight, 50 examples observed. 



BuUmus swistrorsus TATE, Trans, and Proc. and Rep. 

 Philos. Soc. Adelaide, South Australia, 1879, p. 134, pi. 5, L 

 4. Not of Deshayes. BuUmus myoporina TATE, Trans, and 

 Proc. and Rep. Royal Soc. South Australia, iii, 1880, p. 104, 

 n. n. for B. sinistrorsus. 



Tate's description and figure are copied. "The name has 

 reference to the habitat of the snail, that of living under the 

 shelter of Myoporum parvifolium." 



28. PUPOIDES ISCHNUS (Tate). PL 15, figs. 3, 4. 



Shell pyramidally oval, thin, translucent, shining, yellowish- 

 brown, apex obtuse, whorls five and a half, moderately con- 

 vex, separated by an impressed suture, finely obliquely stri- 

 ated. Aperture sinistral, oval, truncated behind, peristome 

 white, broadly reflected, especially over the columella, which 

 does not conceal a narrow umbilical fissure ; the lips are cal- 

 lously united and there is a prominent tubercle at the inser- 

 tion of the outer lip. Length 4.25, width 1.25 mm. (Tate). 



Central Australia: Alice Springs and Palm Creek (Horn 

 Exped.). 



Pupa ichna TATE, Trans. Roy. Soc. S. Australia, xviii, 1894, 

 p. 191 ; Rep. Horn Sci. Exped., ii, ZooL, 1896, p. 204, pi. 19, 

 f. 16. 



"A more slender shell and more attenuate apically than 

 P. contraria; in its sinistral spire and apertural characters it 



