246 



EXPLANATION OF PLATES, VOL. XIII. 



FICiURE PAGE 



PLATE 42. 



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

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



91, 92. Placostylus 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 pa;teli Kob. After Kobelf, . . 102 

 14,15. Placostylus pteteli 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., I860, . . 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 



Hartra.). 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 Boettger. 136 

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

 19, 20. Amphidrotnus heerianus poscilus 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 

 x, !. Amphidromus teysmanni Mouss. Novit. Conch., . . 134 



