•20 



G. LINDSTKÖM, ON THE SILURIAN GASTEOPODA AND PTEROPODA OF GOTLAND. 



Brought forward 



Pleurotomaria. 



54 qualtei-iala SCHLOTH.... 



55 valida n - 



56 Othemensis n. 



57 comata n : .....:.... 



58 cCQuilatera Wahlenberg .- . . . 



Färö. 



Ef-. 



I' 



TT 



n 



3 

 a 



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3 



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ro 

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li- 

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ca' 



< 



1 



B- 



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5 



c 



6 







b 



c 

 b 



5 



c 

 c 

 c 



c 



6 



c 

 c 



4 



- be 

 a 



6 



c 

 c 



c 



5 



c 

 b 

 c 



ac 



ac 

 c 

 c 



a 

 abc 



6 



c 

 c 



c 

 c 



1 



25 

 a 



a 

 a 

 abc 

 a? 

 a 



a 

 a 

 a 

 a 



a 



c 

 c 



abc 

 c 



ac 



6 

 c 



c 

 c 



3 



c 



b 



be 



b 



1 



a 

 a 







c 

 c 



61 rtplicata n .- 



62 alata Wahlenberg . . 





64_var. opposita n 



65. prsetexta n. 



66 togata n 



67 frenata n 



68 undulans n 



69 Marklini n 



70 cirrhosa n 







72 helicina u — :.... ..: 



73 exquisita n — 



Murchisonia d'Arch. k, Vekn. 



75 cava n 



77 obtusangula n 



78 subplicata n - 



79 compressa n 



80 atlenuata His 



81 crispa n.. 



83 tortuosa n 



85 cancellata n '. 



86 cocbleata n 



87 detlexa n 



Fam. VII. Euouiphalid» n. 



88 gotlaudicus n , 







Carried forward 







8 1 



9 



9 



8 



6 1 



9 



14 1 



10 1 



41 1 



9 1 



7 



3 



