PLATE XXV. 



Page. 



IjKPTOsolen biplicata Conrad is; 



Fig. 1. View of (he right side of the most perfect cast seen from New Jersey. 

 2. Cnrdinul view of the same. 



Legumen planllatum Conrad 184 



Fig. :i. View of an internal cast from FreelioUl, N. J. 



4. A cast showing the external features of the shell, from near Marlborough, N. J. 



Legumex ellipticum Conrad 184 



Fig. 5. View of a shell of this species from Tippah County, Mississiiipi, introduced for 

 coniiiarison with the other species. 



Legumex appressum Conrad 185 



Fig. 6. View of the left side of a shell from Haddonfield, N. J. 



7. Cardinal view of the same. 



8. View of the hinge of the left valve, enlarged to two diameters. 



SiLIQUA ckictacea Gabb lyg 



Fig. 9. View of the right side of the cast used by Mr. Gabb. 

 lU. Cardinal view of the same. 



SOLYMA LIXEOLATA Conrad 18-2 



Fig. 11. View of the exterior of Conrad's type specimen from Haddonfield, N. J. 

 l"i. Interior view of the same. 

 13. Enlargement of the hinge of the same. 



PnOLAS ciTiiAR A Morton 187 



Fig. 14. Right view of the speeanen desciibed as P. prclorom by Conrad. Tinton Falls. 

 1.5. Cardinal view of the same. 

 16. View of an imperfect specimen from near Marlborough, N. J. 



Pi:oi.A.s? LATA Whitfield T 189 



Fig. 17. View of the cast of a left valve, showing the features descrilied. 



Teredo irregularis Gabb 191 



Fig. 18. View of Mr. Gabb's type specimen, showing a fragment of the cast of a shell at 

 the lower end. 

 19. View of another tube cast, also one of Mr. Gabb's specimens. 



Martesia cretacea Gabb 190 



Figs. 'iO-ii. Three views of an internal cast, enlarged to two diameters, showing the 

 surface marking to some degree. 

 S3. View of a colony of tubes, natural size, aiipun nlly the ones originally descrilied. 



C'LAVAGKLLA ARMATA MortOU igy 



Fig. -li. Near top of plate is an enlarged view of a cast of this siiecies, .showing the general 

 fiatun-s; two diameters. 



