284 MEMOIKS OF THE UNIVERSITY OF CALIFORNIA 



28. Large species more than 100/t in length 29 



28. Not more than lOOju, in length 35 



29. Length more tliau 3 transdiameters 30 



29. Length less than 3 transdiameters 31 



30. Color bluish, girdle displaced 1.75 transdiameters submarinum sp. nov. 



30. Color yellowish with carmine pigment, displacement 1.45 transdiameters 



britannia nom. sp. nov. 



31. "With coral red pigment corallinum sp. nov. 



31. No red pigment 32 



32. Length less than 2 transdiameters schuetti (Lemm.) 



32. Length more than 2 transdiameters 33 



33. "With scattered oehraceous pigment granules ochraceum sp. nov. 



33. No oehraceous granules 34 



34. Length 165/ii, epicone stout, girdle displaced 0.92 transdiameter crassum (Pouchet) 



34. Length 105-150/x, epicone more tapering, girdle displaced 1.2 transdiameter 



spirale (Bergh) 



35. Medium sized species, over 50/j, in length 36 



35. Small species, less than 50/i in length 46 



36. With scattered coral red pigment 37 



36. No red pigment, sometimes purplish 38 



37. Pigment scattered along striae virgatum sp. nov. 



37. Pigment massed at antapex rubricaudatum sp. nov. 



38. Purplish or violet - 39 



38. Color yellow, if present 40 



39. Color amaranth purple, sometimes massed at antapex postmaculatum sp. nov. 



39. Color violet purple, blotches on the epicone maculatum sp. nov. 



40. Girdle displaced 1 transdiameter or more 41 



40. Girdle displaced less than 1 transdiameter 42 



41. Minxitely striate, length 1.75 transdiameters obtusum nom. sp. nov. 



41. Coarsely striate, length 2.7 transdiameters longum (Lohmann) 



42. Epicene not flattened 43 



42. Epicone flattened, truncate, body stout truncus sp. nov. 



43. Epicone contracted to acute or blunt point 44 



43. Epicone broadly rounded 45 



44. Epicone bluntly pointed, striae similar on epicone and hypocone pepo (Schiitt) 



44. Epicone acute, .striae unlike on epicone and hypocone fulvum sp. nov. 



45. Length 1.3 transdiameters grave (]\Ieunier) 



45. Length 1.8 transdiameters fissum (Levander) 



46. Girdle postmedian glaucum (Leboiu-) 



46. Girdle not postmedian 47 



47. Proximal end of girdle far anterior viridescens sp. nov. 



47. Proximal end of girdle at least 0.25 total length from apex 48 



48. Girdle displaced 1 transdiameter, length 38/i herbaceum sp. nov. 



48. Girdle displaced 0.75 transdiameter, length 51/x pingue (Schiitt) 



