SYSTEMATIC INDEX. 



Pages* 



MALACOZOA. MOLLUSCA, w 



CLASS I. CEPHALOPODA, . 20 



ORDER I. CEPHALOPODA CRYPTADIBRAN- 



CHIATA, . . . . 22,26 



FAMILY I. SEPIINA, . . 22, 20 



SECTION I. DECACERATA, . 22,26 



1. SEPIOLA. SEPIOLE, . . . . 22,26 



1. Sepiola Rondeletii. Common Sepiole, . . 22,27 



2. SEPIA. CUTTLE, . . . . 22,28 



2. Sepia officinalis. Common Cuttle, . . 22, 29 



3. LOLIGO. CALMART, . . . 22,29 



3. Loligo vulgaris. Common Calmary, . . 22, 29 



SECTION II. OCTOCERATA, . 23,31 



4. ELEDOXE. ELEDONE, .... 23, 31 



4. Eledone Pennantii. Pennant's Eledone, . 23, 31 



5. Eledone Aldrovandi. Aldrovandus's Eledone, . 23, 32 



ORDER II. CEPHALOPODA SIPHONIFERA, 23,33 



ORDER III. CEPHALOPODA FORAM1N1FERA, 32, 33, 315 



FAMILY I. DISCORBINA, . 315 



5. POLYSTOMELLA. POLYSTOMELLA, . . .23, 33, 315 



6. Polystomella crispa. Crenated Polystomella, . 23,33,315 



7. Polystomella Gulielminse. Williamina's Polystomella, 315 



8. Polystomella crenulata. Crenulated Polystomella, 316 



9. Polystomella umbilicatula. Umbilicated Polystomella, 317 



10. Polystomella nautilina. Nautiline Polystomella, 317 



1 1 . Polystomella depressula. Smooth Polystomella, 318 



6. NUMMULINA. NUMMULINE, . . . 24,34,318 



12. Nummulina marginata: Margined Nummuline, 24, 34, 318 



7. DISCORBIS. DISCORBIS, .... 24,34,318 



13. Discorbis lobatulus. Lobulate Discorbis, . 24, 34 



Var D. lobatulus reversus. Reversed, . 24, 35 



14. Discorbis pulchellus. Delicate Discorbis, . 318 



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