No. 4.] 



BILLINOS — FOSSILS OK NEWFOUNDLAND. 



471 



dei\sland Mr. David^^0D, what appears to be an aperture, in the 

 apex of the ventral valve, is not truly such, but an imprcHsion 

 made in the cast of the interior by a tubcrole on the inside of the 

 shell. 



Sthaparollina hemota, t<pec. nov. 



, . a h 



1 )•!( (M> ■ 

 • f^'irl ■: /I 



■ ;l,: ,..A'! -,..,. ^ 



Fir. 7. S(raparnl/tiiii rniwta, n, view of the spire; oblique v ew of 

 anterior side. 



Shell small hemispherical, .spire depressed and rounded in out- 

 line, heif^ht 2 to 3 lines, width 3 to 4 lines, whorls about three, 

 suture deep. The whorls are nearly uniformly rounded, more 

 narrowly so on the upper side close to tlie suture, and also on the 

 basal hide. On a side view the minute apical whorl is scarcely 

 at all seen ; the next below it is elovatod about half its own 

 diameter above the body wliorl. In a specimen 4 lines wide, the 

 width of the aperture is about H lines, as nearly as can bo deter- 

 iniued from an individual partly buried in the matrix. Surface 

 nearly smooth. ' 



Occurs at Smith's Sound, Trinity Bay. 



M'l 



Fio. R. I/i/olilhfs ercellfins. In thcsr diafiianis, n, ropresents thf* 

 rati' of tapering on the ventral side ; A, the tranKVorKe section. The 

 dorsal side of f> is too broadly rounded. 



HyoLiTHES excellens, spec. nov. 

 Shell usually about two inches in lenjjjth, taperinj.-; at the rate 

 of between four and five Hues to the inch. The ventral side is 

 nearly flat or very gently convex; the lateral ed<i;es narrowly 

 rounded, in some specimens rounded auj^ular ; the most project- 

 ing parts of the sides are at about oue-third the height ; above 



i-.-'-i ,^: ii" i , J (11 All ^j 111/; lit ,, .; 



■li' ) / III 1.1 



