281 



than in typical examples. Traces of coloration remain ; they 

 consist of zigzag pink lines longitudinally displayed. The last 

 whorl near the columella is spirally striated. 



Dimensions. — Length 21 mm.; breadth 8 mm.; length of 

 aperture 5-5 mm. 



Form, and Loc. — Post-Pliocene : Limestone Ci'eek, Gleuelg river, 

 Victoria. 



G. 5577. Pour examples of the adult. Purchased. 



Genus LIOPYRGA, H. and A. Adams. 

 [Ann. Mag. Nat. Hist. 3rd ser. vol. xi. 1863, p. 19.] 



Shell similar to Phasianella, nacreous, umbilicate, thin ; aperture 

 semicircular, shorter than the spire ; columella excavated, curved, 

 frequently raised near the umbilicus. 



Tt/pe. — Liopyrga picturaia, H. and A. Adams. 



Liopyrga quadricingulata, Tate. 



1891. Leiopi/rga quadricinrjulata, Tato, Trans. Eoy. Soc. South Aust. 

 vol. xiv. p. 266. 



Shell elongate, spire elevated ; protoconch turbinate, composed 

 of two and a half smooth turns, the anterior portion being spirally 

 striated and developing a deep sulcus near the suture posteriorly ; 

 whorls slightly convex, spirally carinate, the carinas being four, 

 five, or rarely six in number, three or four of them posteriorly 

 situated being separated from the most anterior keel by a broad, 

 flat space ; last whorl subangulate at the periphery, base spirally 

 lineate ; growth-lines undulating, very fine ; aperture ovate, 

 contracted behind, round but slightly produced in front ; outer 

 margin thin ; columella twisted, producing a small fold in front, 

 elevated near the umbilicus, which is curved and narrow. 



Dimensions. — Length ITS mm.; breadth 6 mm.; length of 

 aperture 4-5 mm. 



Form, and Loc. — Miocene : Muddy Creek, Victoria. 



G. 4175. Four examples of the adult. 



Presented hi/ John Dennant, Fsq. 



G. 9489. Several specimens of divers stages of growth. 



Purchased. 



