252 EXPLANATION OF PLATES, VOL. XII. 



FIGURE PAGE 



PLATE 28 (Oxystyla). 



27-31. 0. pulchella Spix. Sheppard, del., . . . .135 

 32, 33. O. pulchella v. prototypus Pils., young. Amazon R. 



Sheppard, del., . . . ' . . .137 



34, 35. O. pulchella v. prototypus Pils. Barcelona, Venez. 



Sheppard, del., ....... 137 



36,37. O. pulchella v. prototypus Pils. Bahia. Sheppard, del., 137 

 38, 39. O. maracaibensis v. subpulcliella Pils. Sheppard, del., 141 



PLATE 29 (Oxystyla). 



40, 42. O. maracaibensis Pf'r. Strebel, Beitrag, . . .137 



41. O. maracaibensis Pfr. Pfeiflfer's type specimen. Strebel, 137 



43. O. maracaibensis Pfr. Binnenmoll. Venez., . . . 137 



44, 45. O. maracaibensis Pt'r. Maracaibo. Sheppard, del., . 139 



46. O. maracaibensis Pfr., var. Maracaibo. Sheppard, del., . 139 



47. O. fulvescens Pfr. Conchy]. Cab., . . . . . 141 



48. O. fulvescens Pfr. Pfeitfer's type. Strebel, . . . 141 



PLATE 30 {Oxystyla maracaibensis). 



49-52. O. maracaibensis v. imitator Pils. Near Maracaibo. 



Sheppard, del., 140 



53, 54. O. maracaibensis v. imitator Pils. Barranguilla. Shep- 

 pard, del., 140 



55-57. O. maracaibensis and v. imitator. Rio Hacha. Shep- 

 pard, del., 140 



58. O. maracaibensis Pfr., var. I. of Margarita, . . . 139 



PLATE 31 (Oxystyla). 



59, 60. O. bifulgurata Reeve. Conch. Icon., . . .143 



61. O. bifulgurata Rve. (Zebra fuljsur Mill.). Malak. BL, . 143 



62. O. bensoni Rve. Sheppard, del., ..... 147 



63. O. bensoni Rve. Shuttl., Notitioe Malac., . . . 147 



64. O. bensoni Rve. Type. Conch. Icon., .... 147 



65. O. bensoni Rve. Hidalgo, Viaje al Pacifico., . . . 147 



66. O. isabellina Martens. Binnenmoll. Venez., . . .142 



PLATE 32 ( Oxystyla}. 



67. 68. O: phlogera Orb. Voy. Amer. Mend., . . .145 

 69-71. O. varia Martens. Binnenmoll. Venez., . . . 144 

 72. O. varia Martens. Shuttl., Notitise Malak., . . . 144 

 7377. O. varia Martens. Sheppard, del., .... 144 



PLATE 33 (Corona). 

 1, 2. Liguus (Corona) regina Fer. Sheppard, del., . . 177 



