64 



CATALOGUE OF THE 



[13 th day,'] 



1530 The studded helmet, Sicily ; a young bull's-mouth helmet, 



and a scarce variety of the zebra trochus • " l 



1531 A large and fine iris ear, New Zealand 



1532 Conus pulicarius, Soland. Otaheite } the flambeaux cone, 

 Amhoyna; and a rare spotted tun, Neiv S. Wales ~ / 



1533 A royal mantle scollop, a cinnabar scollop, and a polished 



Barbary mussel 



1534 A group of the coiletl brown chequered worm, mixed with 



some white triangular serpulae, and lithophagi, from Gui- 

 nea; and a group of oriental tulip t&lani % 



1535 A variety of the spotted melon., Tranquebar; and a ramose 



triplex, Madagascar 3 



1536 A nautilus pompiliusy opened, to shew the cells and 



siphunculus ; a young devil's claw, a spider strombus, and 

 an American fig f f*r"~ .,. 



1537 The great brown European tun t Mediterranean I"* 



1538 A large tiger chersina, having the epidermis, and remark- 



able for its thickness, Guinea, rare I 



1539 A large emerald sea-snail, New Zealand; the pomegranate 



cochlus, and\a scarce triplex M ^ 



1540 Conus glaucus, Linn, very rare", from China; the South 



Sea argus frog, also rare, and a fine spectre cone / * 45 



1541 Three specimens of tungsten, Cornwall, rare |£. »*> 

 .1542 White sparry incrustation, on moss, &c. Cumberland ; 



and coarse brown stalagmitical spar, with a cauliflower- 

 like surface, Matlock, Bath ^~ 



1543 Black glossy polyhedral blend, on white quartz crystals, 

 Cumberland ; and blend with decomposed galena, and 

 pyrites . - // „ <* v 



1544 A hollow specimen of stalactitical galena, the surface of 

 which is formed into small exoctohaedral crystals, coated 

 with ochraceous iron ore, Somersetshire, very rare 



1545 A large mass of galena, combined with barytes, Cumber- 

 land ; and a galena, with pearl spar 



1546 Delicate violet cubic fluors, on calcareous sparj light violet 

 ditto, violet ditto, sprinkled with quartz crystals ; ame- 

 thystine ditto, in fine cubes, Durham ; grayish ditto, with 

 bevelled edges, and another, Derbyshire 



1547 Fine specimen of crystallised apatite, Saxony f£ 



1548 Yellow quartz crystals, Bristol ; quartz surrounded by 

 agate, Obersteinj congeries of brown quartz crystals, 

 assuming a stalactitic form, Bristol ; mountain Crystal, 

 Switzerland ; and smoak crystal, Bohemia *y ** v 



1549 Four varieties of mountain crystal * 



1550 A large and fine group of purplisli cubic fluor, nearly 

 covered with large and very small brilliant quartz crystals, 

 Durham 



