aubiculiile. 37 



Auricula Sandwichiensis, Souleyet, Toy. Bonite, Zool. ii. p. 524. 



pi. 29. f. 29-^32. 

 Opkicardelus Sandwichensis, M. E. Gray, Fig. Moll. Anim. 



pi. 304. f. 2. 

 Ophicardelus (Laimodonta) Sandwichensis, H. and A. Adams 



m Proc. Zool. Soc. 1854, p. 34. n. 4. 

 Laimodonta Sandwichensis, H. and A. Adams, Gen. rec. Moll. 



ii. p. 246. pi. 83. f. 1, la. 

 Melampus Sandwichensis, Pfr. Mon. Auric, p. 50. 



Sab. Sandwich Islands. Perhaps a variety of M.Bronni, Phil. 



52. Melampus Quoyi. 



Shell imperforate, conically ovate, solid, slightly striated, 

 shining, blackish-brown, marked with narrow pale bands ; spire 

 conic, apex obtuse ; suture slight ; whorls five, moderately con- 

 vex, the last forming nearly two-thirds of the total length, 

 rather tumid above the middle, furnished at its base with a keel 

 surrounding the umbilical region ; aperture oblique, semiovate ; 

 one parietal plait, middle-sized, entering ; columellar plait small, 

 oblique, produced externally ; peristome straight ; right margin 

 thin and sharp above, then thickened by an inner callus ; colu- 

 mellar margin white, spreading narrowly. Length 10, greatest 

 breadth 6 mill. 

 Ophicardelus Quovi, H. and A. Adams in Proc. Zool. Soc. 1854, 



p. 34. n. 2. 

 Melampus Quoyi, Pfr. Syn. Auric, n. 47 ; Mon. Auric, p. 50. 

 Laimodonta Quoyi, H. and A. Adams, Gen. rec. Moll. ii. p. 246. 

 Hah. Moreton Bay, Australia. 



53. Melampus Layardi. 



Shell imperforate, ovate-fusiform, rather solid, sculptured 

 regularly with close-set spiral grooves, blackish-brown, with a 

 single white band near the suture ; spire conic, rather pointed ; 

 suture linear ; whorls six, flat, the last forming about three- 

 fifths of the total length, indistinctly angled above, attenuated 

 in front ; aperture oblique, semiovate ; parietal plaits two, par- 

 allel to each other, compressed, minute ; columellar plait punc- 

 tiforni ; peristome sharp, right margin furnished with a single 

 transverse lamellar ridge; columellar margin rather callous. 

 Length 6, breadth 3£ mill. 



Ophicardelus (Laimodonta) Layardi, H. and A. Adams in Proc. 



Zool. Soc. 1854, p. 35. n. 7. 

 Melampus Layardi, Pfr. Syn. Auric, n. 48 ; Mon. Auric, p. 51. 

 Laimodonta Layardi, H. and A. Adams, Gen. rec. Moll. ii. p. 246. 

 Hab. Ceylon (Mr. Layard). 



