112 GENERA AND SPECIES. 



Bulimus. (HELICIDSE.) Plate xix. 



Spire long ; outer lip thin and unreflected 



259. acutus, f in. whorls 8 or 9, umbilicus shallow. 



Spire blunt ; outer lip thick and reflected 



260. goodallii, in. whorls 7 or 8, body whorl occupying a third 



of shell. 



261. montanus, in. whorls 6J or 7j, umbilicus oblique and deep. 



262. obscurns, Jin. whorls 6J, umbilicus narrow not deep, shell 



golden brown, thin and translucent. 



Of 259 there are seven varieties elongata, with a slender spire; inflata, which is stouter ; 

 bizona, which has two dark bands on the body whorl ; strigata, which has white ribs and 

 brownish streaks ; articulata, which has white ribs and violet streaks ; nigrescens, which is 

 violet brown, paler round the umbilicus ; and alba, whicli is white. Of 261 there is but one 

 variety, albino., which is also entirely white, and of 262 there is also a white variety which 

 is known as albinos. 



Bulla. (BULLIDJE.) Plate xxx. 



565. hydatis, i in. outer lip projecting beyond crown, crown 



not perforated. 



567. utriculus, J in. outer lip projecting beyond crown, crown 



perforated. 



566. elegans, J in. outer lip not projecting beyond the crown. 



Globosa is a variety of of 565 ; it is smaller, globular, and cream colour, with no greenish 

 yellow. Oblonga is a variety of 567 ; it is smaller and more cylindrical. 



Cadulus. (DENT A LI I D^.} Plate xv. 



185. subfusiformis, ^ in. spindle-shaped and narrow, base with curved 



notch on each side. 



186. jeffreysii, Jin. spindle-shaped and dilated, outer curve 



constricted near the end. 



Csecum. (CJECID&.) Plate xxv. 



453. trachea, in. shell ribbed. 



454. glabrum, ^ in. shell smooth. 



Calyptrsea. (CAPULIDsE.) Plate xxiii. 



383. chinensis, f in. shell as broad as long, white, but generally 



yellowish at the point. 



Capulus. (CAPULID^E.) Plate xxiii. 



382. hungancus, ij in. shell broader than long, yellowish white 



to light brown, beak overhanging the 

 posterior side. 



Cardium. (CARDIIDJE.} Plate xi. 



Front margin contracted 



133. exignum, Jin. x Jin. yellowish white, marked with brown and 

 pink. , 



131. tuberculatum,3%in, x 3in. yellowish brown, tinged with red. 



