REPORT ON THE GASTEROPODA. 513 



and an excessively sharp tip. Sculpture none. Colour pure very glossy transparent 

 white. Apex quite extraordinarily small, not perfectly regular, being slightly pinched-in 

 at the very tip, which is rounded but slightly acuminated, and not perfectly symmetrical. 

 Spire very high and narrow, nearly but not quite straight, one side being slightly more 

 oblique than the other. Whorls 8, almost perfectly flat-sided except towards the tip, 

 where they are slightly rounded. Suture rather oblique, scarcely impressed except towards 

 the tip, where it is a little distinct ; the septum between the whorls shines through the 

 shell, and of course makes the suture easdy recognisable. Mouth pear-shaped, but a little 

 truncated in front. Outer lip almost straight, arched at the outer basal corner, and a 

 little straight in front ; its edge is deeply sinuated above, prominent in the middle, and 

 very retreating in front, where it forms a broad deep gutter. Inner lip : a thin narrow 

 glaze with a defined edge crosses the body and extends down the pillar, on which it is 

 expanded and slightly twisted ; from the upper corner of the mouth to the point of the 

 pillar the line is nearly straight or very slightly concave. H. 01 in. B. 0"02. Penulti- 

 mate whorl, height O'Ol. Tip of apex, breadth 0-002. Moutb, height 0"024, breadth 001. 



This species, which is much smaller than Eulima oxytata, Wats., is very like a young form of that 

 species, but it increases more rapidly, so that it has a whorl more than a specimen of Eulima oxytata 

 of the same size ; the apex is as small, but is the last thing more abruptly contracted. The Eulima 

 manzoniana, Issel, from the Red Sea, is larger for the number of whorls, somewhat broader in 

 proportion to the length, the suture is less oblique, and the base is longer and more rounded. 



11. Eulima acerrima, Watson (PI. XXXVI. fig 1). 



Eulima acerrima, Watson, Prelim. Report, pt. 17, Journ. Linn. Soc. Lond., vol. xvii. p. 118, sp. 9. 



Station 185b. August 31, 1874. Lat. 11° 38' 15" S., long. 143° 59' 38" E. Kaine 

 Island, Cape York, North Australia. 155 fathoms. Coral sand. 



Shell. — Small, straight, high and narrow, translucent, with slightly impressed suture, 

 flat-sided whorls, a long slowly attenuated and scarcely rounded base, a very long pear- 

 shaped flat-ended mouth, and an excessively sharp tip. Sculpture none. Colour glossy, 

 translucent white with a tinge of yellow in the middle of the whorls. Apex excessively 

 minute, not quite symmetrical as the tip rises on one side. Spire high and narrow, 

 almost but not quite symmetrical in its profile-lines. WJwrls 12, very nearly quite flat- 

 sided, but towards the tip a little convex. Suture rather oblique, scarcely impressed but 

 defined by the septum, which shines through the shell. Mouth lorjg, pear-shaped, but a 

 little truncated in front. Outer lip scarcely in the slightest degree convex, not patulous 

 except in front, where it forms a shallow gutter ; its edge is deeply sinuated above, very 

 prominently rounded in the middle, and slightly retreating in front. Inner lip almost 

 quite straight to the point of the pillar, where the meeting with the gutter-edge is very 

 abrupt and almost angulated ; the defined-edged glaze spreads a little on the body and runs 



(ZOOL. CHALL. EXP. — PART XLH. — 1885.) Tt 65 



