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XXVI. Murex. 



'Cerithium, 



Pleurotoma, 



Turbinella, (some.) 



Fasciolaria, 



Fusus, 



Pyrula, 



Strutliiolaria, 



Ranella, 



Murex, pi. 



Triton, 



Ricinula, 

 (^Purpura, (some.) 



( Pyramidella, 

 I Solarium, j)/. ii. f. 3. 

 | Rotella, 

 XXVII. Trochus. { Trochus, 



I Monodonta, (some.) 

 I Turbo, (some.) 

 ^Cerithium, (some.) 



Pupa, 



Clausilia, 



Auricula, (some.) 



Cyclostoma, 



Planorbis, (some.) 



Paludina, 



Scalaria, pi. i.\. f. 2 



Delpbinula, 



Trochus, (some.) 



Monodonta, (some.) 



Turbo, 



Turritella. 



XXVIII. Turbo, t 



XXIX. Helix. 



f Helix, 



Carocolla, 



Anastoma, 



Helicina, (some.) 



Pupa, (some.) 



Bulimus, 



Succinea, 



Auricula, 



Cyclostoma, 



Planorbis, 



Lymnsea, 



Melania, 

 ^ Melanopsis, 



Helix, (contin.) 



XXX. Nerita. 



XXXI. Haliotis. 



XXXII. Patella. 



f Paludina, (some.) 



I Valvata, 

 J Ampullaria, 

 1 Xatica, 



I lanthina, 



1 Sigaretus. 



Navicella, (some.) 



Neritina, 



Nerita, pi. ii. f. 4. 



Xatica. 



( Stomatia, 



\ Haliotis. pi. i. 



Lingula, 



Patella, 



Umbrella, 



Parmophora, 



Emarginula, 



Fissurella, 



Pileopsis, 



Calyptrsea, 



Crepidula, 



Ancylus, 



Navicella, (some.) 



Stomatella. 



XXXIII. Dentalium. Dentalium. p. iii./. 2,4. 



f Siliquaria, pi. vii. /. 5. 

 I Spirorbis, 

 | Serpula, 

 XXXIV. Serpula. -{ Vermilia, 



Aspergillum, 

 | Septaria, 

 [ Vermetus. 



XXXV. Teredo. 



r Fistulana, 

 < Septaria, (some.) 

 (^Teredo, pi. vii./ 



