190 LOTOEIUM. 



48052. A series exhibiting various stages of growth ; from 

 Schnapper Point. Purchased. 



G. 4269. Three examples of the adult ; from Muddy Creek. 



Presented hy John Dennant, Esq. 



Lotorium viroodsi, Tate (sp.). 



1880. Triton uwodsii, Tate, Proc. Linn. Soc. N.S.W. vol. iv. p. 15, pi. iii. 



figs. 1, 2. 

 1888. Triton woodsii, Tate, Trans. Eoy. Soc. South Aust. vol. x. p. 119, 



pi. V. figs. 4, 6. 

 1893. Triton woodsii, Tate and Dennant, id. vol. xvii. pt. 1, p. 218. 



More elongated and less spinose than L. radiale or L. cypht(s, 

 though the surface of the shell is spirally lineate in a manner 

 somewhat similar to the latter. The protoconch rises to an 

 acute, erect point, but the remaining turns are depressed ; whorls 

 elevated, somewhat attenuated, six in number; varices distant, 

 broad and clearly defined, not spinose ; angulation at the periphery 

 compressly nodose, one or two spiral tuberculose and granose 

 lineations (more or less accentuated following individuals) in front 

 of the peripheral angulation, and three or four smaller rows of 

 spiral granulations behind ; aperture almost circular ; outer margin 

 thin, with a rudimentary posterior groove and a large obtuse 

 tubercle near the narrow entrance of the anterior canal ; inner 

 margin covered by a thin, elevated, partially detached plate, 

 bearing a large plait bordering the groove alluded to, and having 

 three or four dentate elevations anteriorly, the largest being in 

 front ; columella excavated, umbilicate ; anterior canal long, bent, 

 and narrow. 



Dimensions. — Length 42 mm.; breadth 19'5 mm. ; length of 

 aperture 11 mm. ; length of canal 125 mm. 



Form, and Loc. — Eocene : South Australia and Yictoria. 



G. 4266. Several examples of the adult ; from Muddy Creek. 



Presented hy John Dennant, Enq. 

 G. 9125. Examples having larger nodose tubercles than in 

 typical specimens ; from Eiver Murray cliffs, near Adelaide. 



Presented hy William Evans, Enq. 



G. 9402. Specimens illustrating stages of growth ; from Gelli- 



brand river. Purchased. 



