ZOOL. MED. MUS. LEIDEN, 



PL. VII. 



*****"**»'«** 



<&£*&* 



Tesch del. 



6. M. hilgendorfi. 6 a External orbital angle and anterior lateral tooth 



7. M. crassipes. of the carapace. G b male cheliped. 



8. M. convexus. 



