PLATE I. 



Page. 



BaTOCRINCH GERMAN US, II. Sp ^ 



Pig. 1. Basal view. 



Fig. 2. Azygous Bide view 



i i :. 3. Sam mil view. 



BATO0BINU8 PBOXIMGS, n. ep ~ 



Fig. 4. Basal view. 

 Pig, 5. Lateral view. 

 Batocbinus in tin; son i, n. sp 



Fig. G. Azygons view. 

 Fig. 7. Lateral view. 



Batocbinus argutus, n. sp ■' 



Fig. 8. Azygons view. 

 Fig. 9. Opposite side vi<-w. 



BATOCBINUS H a MUCUS, D. Sp *' 



Fig. 10. A/.ygons view 

 Kig. 11. Opposite side view. 

 Fig. 12. Summit. 



BaTOCRINCS AM'ERATUB, D. Sp •'- 



Fig. 18. Azygous view. 



Pig 14. Lateral view 

 BATOCRINUS ASl'ER, n. sp 13 



Fig. 15 Basal view. 



Fie;. 16. Azygons view. 

 Acjaricocbinus hodssoni, n. sp 23 



Fig. 17. Basal view. 



Fig. 18. Summit. 



Fig. 19. Azygous view. 



Fig. 20. Opposite side view. 



A'. \RH DCRINUS ILLINOISENSIS, II. Sp 25 



Fig. 21. Basal view. 



Pig. 22. Summit. 



Fig. 23. Azvgous view. 

 B ltocrikus oistdxa, n. sp IS 



Pig, 24. Azygous view. 



Pig. 25. Basal view. 



Fig. 26. Summit. 

 Batocri^us iessi.i , a. ep 20 



Pig. 87. Azygoue view. 



Fig. 28. Summit. 



Fig. 29. Basal view 



Pig. 80. Lower part of calyx of another ( ' i example. 



Fit;. 81. Azygons view of cast of another. | ': ) 



Fig. 32. Basal view of same cast. 

 r. POi inM'S A.DAM8BNSI8, u. Bp. 14 



Til;. 33. Azygous view. 



Fig, 84. Opposite aide view. 



pig. 35, Summit. 



BATOCBIMUS i IT; 



Pig. 36. Azygoue view. 



Pig, 87. Opposite view 



Pig 88. Summit. 



BatocBINCB MODULUS, n. sp l'i 



Fig 89. Baeal view. 



Pig, 40. Azygons view 



Fig. II. Summit. 



Batocbinus nanus, n. sp. IT 



Pig. 42. Azygoua view 



! 8. Opposite view. 



1 . m i -ii'-il \ binds blaibi, a. sp 26 



Pig. 45. Basal view. 



Fig, 16 Sams magnified two diameters, 



Pig. 17. Summit. 



Same magnified two diameters. 

 Pig. 49. Azygous view. 



aagnlfled two diameters. 



