UMAX. 203 



tacles dark slate-color, surface minutely obliquely reticulated 

 with very delicate lines ; shield short and rounded, concentrically 

 lineated, evidently containing a calcareous rudiment, the respir- 

 atoiy orifice situated at the posterior fourth ; head small, front 

 reticulated ; ocular tentacles very long and slender. 



Length, 2'5 inches. 



Parametta, N. S. Wales. 



L. FULIGINOSUS, Gould. PI. 50, fig. 82. 



Sharply carinated, especially posterior^ ; color uniform sooty 

 black; shield oval, moderate in size, broadest behind, showing 

 traces of an internal shell, respiratory orifice at the posterior 

 third ; surface coarsely reticulated by oblique fissures, the in- 

 cluded areas being more minutely reticulated with smaller fis- 

 sures ; head small, tentacles rather short, ferruginous at tip ; 

 foot projecting slightly beyond the edge of the mantle, which is 

 transversely and rather distantly lineated. Length, 2*5 inches. 

 Bay of Islands, N. Zealand (among turnips in a garden). 



This is possibly an Amalia, the description and figure being 

 insufficient to determine its generic position. Tate thinks it 

 may : = the unfigured Mila.r antipodarum of G-ray. 



L. JALAPENSIS, Strebel. PI. 50, figs. 83-85. 



Brownish flesh-colored, the tentacles black, on the shield a few 

 irregular black spots, and concentric rugae. Length, 23 mill. 



Jalapa, Mexico. 

 L. BEHRENDTT, Strebel. PI. 50, figs. 86, 87. 



Tail without carina ; shield finely concentrically rugose, the 

 large anterior portion finely granular ; grayish brown, with black 

 streaks, the shield blackish, sole light brown, the middle zone 

 somewhat grayish. Shell quadrangular oval, keeled on the left 

 side, with scarcely apparent growth-lines, resembling Amalia. 



Coban, Guatemala. 



Section LEHMANNIA, Heynemann, 1863. 

 L. MARGINATUS, Muller. PL 50, fi^. 88. 



/ / C7 



Smooth, watery, subpellucid, moderately rugose, attenuated 

 and carinated behind ; ash-colored, brownish on the back, with 

 a median white zone, often margined with blackish ; shield ob- 

 tusely angulated behind, very finely concentrically striated, 



