66 



NAUTILUS. 



Linn, names. Gm. Engl. names. Synonyms. Habitat. 



45 macellus 23-ribbed F.T.M.t.lO,f.e-k. Mediterranean. 



46 papillosus pimpled F.T.M.t.U,f.a-c. Adriatic. 



47 planatus flat F. T.M.t.l6,f.&-l EM. 



48 Cassis 



49 Galea 



50 acutauricu- 



laris 



51 Faba 



52 Scapha 



53 Crepidula 



54 Auricula 



55 tuberosus 



56 orbiculus 



57 angulatus 



58 aduncus 



lobster's-tail F.T.M. t. 17 & 18,/. a-c. 



Helmet 

 sharp-eared 



bean-shaped 



boat-shaped 



Slipper 



ear- shaped 



punctured 



orbicular 



angular 

 crooked 



F.T.M.t.l8,f.d-f. E.M. 



*.467,/.6. Etruria. 



F.T.M.t.l8,f.g-i. E.M. 



.467,/.7. Mediterranean. 



F. T.M.t. 1 9,/a-c. Rimini. 



F.T.M.t.l9,f.d-f. Adriatic. 



F. T.M.t.l9,f.g-i. Etruria. 



F.T.M.t.20,f.&-f. Mediterranean. 

 F.T.M.t.2U,f.g-k. Etruria. 



F.T.M.t.21. E.M.tA6B, 



F.T.M.t.M. E.M.tA68, 

 f.3. Arabian Gulf. 



F.T.M.t.23. E.M.tA68, 

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