246 EXPLANATION OF PLATES, VOL. XIII. 



FIGURE PAGE 



PLATE 42. 



85-88. Placostylus hoyti Garrett. Shepperd, del., . . . 105 

 89, 90. Placostylus rugatus Garrett. Shepperd, del., . .112 

 91, 92. Placoslylus rugatus crassilabris Garr. Shepperd, del., 112 

 93, 94. Placostylus guanensis Garr. Shepperd, del., . . 107 



PLATE 43. 



1. Placostylus elobatus Gld. J. de C., 1875, . . .105 



2,3,4. Placostylus elobatus Gld. Shepperd, del., . . 105 



5. Placostylus elobatus albino Pils. Shepperd, del., . . 106 



6. Placostylus graetFei Crosse. J. de C., 1875, . . . 104 



7. Placostylus loyaltyensis Souv. J. de C., 1879, . 68 



8. 9. Placostylus loyaltyensis var. J. de C., 1879, . . 68 



10. Placostylus loyaltyensis lacteus. Shepperd, del., . . 68 



11, 12, 13. Placostylus pseteli Kob. After Kobelt, . . 102 



14, 15. Placostylus pseteli Kob. Pilsbry, del., . . .102 

 16, 17, 18. Placostylus garrettii Pils. Shepperd, del., . . 103 



PLATE 45. 



1. Bothriembryon spenceri Tate, young shell X 12. Pilsbry, 



del., 6 



2-4. Bothriembryon gratwicki Cox. After Hedley, . .11 



5. Placostylus turner! Pfr. P. Z. S., 1860, . .75 



6. Placostylus fibratus leucolenus Crosse. J. de C., 1895, . 42 



7. Placostylus fibratus ouensis Gass. Faun. N.-Caled., . 43 



8. 9, 10. Placostylus hartmani Kob. (type specimen of rossiteri 



Hartm.). Shepperd, del., . . . . .73 

 11, 12. Placostylus hartmani Kob. After Kobelt, . . .73 



PLATE 46. 



13, 14. Amphidromus palaceus Busch. Shepperd, del., . . 135 



15. Amphidromus palaceus appressus Mouss. After Boeltger. 136 

 16-18. Amphidromus palaceus tener Mart. Shepperd, del., . 136 

 19, 20. Amphidromus heerianus pcecilus Bttg. Shepperd, del., 139 

 21. Amphidromus heerianus robustus Fult. Ostas. Landschn. 139 



(Figures 13, 14, 19, 20 from specimens in coll. G. H. Clapp.) 



PLATE 47. 



1, 2. Amphidromus palaceus Busch. Moll. Java, . . . 134 



3. Amphidromus palaceus purus Mouss. Novit. Conch., . 135 



4, 5. Amphidromus palaceus Busch. Conchyl. Cab., . . 134 



6. Amphidromus palaceus Busch. Shepperd, del., . . 134 



7. Amphidromus palaceus appressus Mouss. Novit. Conch., . 136 



8. 9. Amphidromus teysmanni Mouss. Novit. Conch., . . 134 



