CRUSTACEA OF XORTnUMRERT.AN'D ANT) nURHAM 



DESCRIPTION OF PLATKS 



Plate VIII. 



F\'^. I. Diastylis P.radii, Norman, female from above. 

 2. .. ., from the side. 



Pl.ATK. IX. 



Fif^. I. Diaslylis I'.radii. Norman, malo. 



2. ,, ,, fr-male, third maxilliped. 



3. ,, ,, ,, first pcrajopod. 



4. ,, ,, ,, second perneopod. 



5. ,, ,, ,, last perreopod. 



6. ,, ,, ,, telson and uropods. 



The serration of the lateral line in the figure of the male is too 

 strongly indicated. Differing from that of allied species, it is so minute 

 that it is with diftlculty discernible under the microscope. 



Plate IX. (a). 

 Microcancerilla creruleocriiciala, nov. gen. et sp. 



Fig. I. Female X 186. 



2. I'rosome and last thoracic segment x 300. 



3. Antcnnule X jOO. 



4. Mandible X 500. 



5. Maxilla X 500. 



6. .\ntcrior maxilliped X 300. 



7. Posterior maxilliped X 300. 



S. One of the swimming f.-'rt x "^CXJ. 



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