Monthly Microscopical Journal Mayl.1871. 



-i.LXXxn. 



Dorvillx/x. a.q co^tciformis SjshCVuUxnL 



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^^i> 



Fi^.3. 



CEcistes uzteT'rrcedius ^ 13 C IzfZ. — - 



Igrm, cfJXsc, resulting 

 i)o-rS(xL Ventral LcUeraZ? from fig. 7. 



ri§.5. 



Ventrcub 



Fig 7. 



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W.Westi C st.uirrvt). 



Linear Projection. 



