PLATE XXVII. 



PAGE 



Fig. 38. . UROSYCA CAUDATA. Natural size 159 



Fig: 39. NEVERITA GLOBOSA. Magnified. 161 



Fig. 40. AMPTTLLINA STRIATA. Magnified. 161 



Fig. 41. TEREBRA CALIFORNICA. Magnified. 162 



Fig. 42. PuGNELLUb HAMULXTS. Natural size. 162 

 Front view of an old and very heavily incrusted individual. 



42 a. Lateral view of the same. 



Fig. 43. CYPR^EA (LUPONIA) BAYERQUEI. Side view. 163 



43 a. Top view. 



43 b. View of the base. 



43 c. A young specimen from Tojon. 



Fig. 44. CYPR^EA (EPONA) MATHEWSONII. Magnified. Top view. 104 



44 a. Side view. 



44 b. View of the base. 



Fig. 45. ANCHTTRA TRANSVKRSA. Magnified. 165 



Fig. 47. HELICATJLAX BICARINATA. Natural size. 166 



