60 BOOK OF SPECIES. 



H. GLABRA. Oval, flattish, convex, glabrous, 

 slightly striated ; colour as last ; spire retuse ; 

 inside pearly. 1^. W. 36. 9. 



H. LAMELLOSA. Oval-obloug, fiattish, con- 

 vex, lamellated, and decussated by transverse 

 striae, orange or marbled with brownish rose- 

 colour and green ; spire rather prominent ; pearly 

 within, li. Front. 4. 



H. CANALicuLATA. Roundish ovate, de- 

 pressed, with decussated striae, dull reddish; a 

 deep internal channel projecting without ; inside 

 pearly. 1 J. . . l}, W. 36. 16. 



H. PULCHERRIMA. Small, roundish, with 

 granular striae and radiating lamellae, marbled 

 with white and orange ; spire exserted ; inside 

 silvery, f . . . |. W. 36. 2. 



H. CRACHERODii. Roundish ovate, nearly 

 smooth, bluish black; inside iridescent. 3| . . . 3; 

 sometimes much larger. 



H. sANGuiNEA. Oblong - oval, smoothish, 

 brownish red, marbled slightly with white and 

 green ; within silvery, stained with a brilliant 

 blood-colour towards the spire. 2. Front. 5. 



