PLATE 2 



Melissosoa compacta (Hall) 



Page 23 



1-6 A series of shells showing the general form and style of growth 



Coelidium strebloceras Clarke 



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7 A very long and slender example 



8 A specimen with the slit band very obscure 



9 A small example with the slit band defined, x 2 



Euomphalus disjunctus Hall 



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10-14 A series of illustrations showing the form, ornament and cross- 

 section of the shell 



170 



