XVIIT 



1 Kiri'fs hhind Crassatella. 2 Very thin Lkjula. 3 Truncated Mactra.- 4 Oval 

 Lutraria. 5 Sloping Anatina. 6 Truncated Mya. 7 Pod Glycinm-is. 8 Aldro- 

 vandm's Panop. 9 Hinge of Do. 10 Solen-shaped Trutina. 11 Sabre Solen. 

 12 Striated Afagdala. Vd Oval Crendla. U BiughanVs Sphenia. 15 Wrinkled 

 Pholeobia. 1(5 Modioliform Gastrochcena. 17 Curled Pholas. 18 Ship Teredo, 

 19 ^ terminating side valve of Do. 20 A bivalve of Do. 21 ,Scc</o« of anterior 

 part of tube of Do. 22 Masked Teredina. 23 Sand Septaria. 24 Gregarious 

 Fisttduria. 2-3 .4 6/ra/i-e o/ Do. A side valve of Do. 27 Open Clavage'ua. 28 

 Face valve of Do. 29 Java Aspergillum. 30 Triangular Mactrina. 



Ai'ailtalLai .V C 



