SYSTEMATIC INDEX. 



MALACOZOA. MOLLUSCA, 

 CLASS I. CEPHALOPODA, . 



ORDER I. CEPHALOPODA CRYPTADIBRAN- 

 CHIATA, 



FAMILY I. SEPIIXA, 

 section i. decacerata, 

 1. Sepiola. Sepiole, 



1. Sepiola Rondeletii. Common Sepiole, 



2. Sepia. Cuttle, 



2. Sepia officinalis. Common Cuttle, 



3. Loligo. Calmart, 



3. Loligo vulgaris. Common Calmary, 



SECTION II. OCTOCERATA, 



4. Eledone. Eledoxe, 



4. El^flone Pennantii. Pennant's Eledone, 



5. Eledone Aldrovandi. Aldrovandus's Eledone, 



ORDER II. CEPHALOPODA SIPHONIFERA, 

 ORDER III. CEPHALOPODA FORAM1N1FERA, 32, 



FAMILY I. DISCOEBIXA, 



5. Poltstomella. Poltstomella, . . .23, 



6. Polystomella crispa. Crenated Polystomella, . 23, 



7. Polysiomelia G tdielminae. Williamina"s Polystomella, 



8. Polyslomella cremilata. Crenulaied Polystomella, 



9. Polystomella umbiHcatula. Urobilica'ed Polystomella, 

 Xauiiline Polystomella, 



Smooth. Polystomella, 



10. Polystomella nautilina. 



11. Polystomella depressula. 



6. NtJMMULIXA. XUMMULINE, 



12. Xummulina marginata. 



7. Discorbis. Discorbis, 



13. Discorbis lobatulus. Lobulate Discorbis, 



Var D. lobatulus reversus. Eeversed, 



14. Discorbis pulchellus. Delicate Discorbis, 



Margined Xummuline, 



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