

TKEATISE ON ZOOLOGY 



EDITED BY 



Sir KAY LANKESTER 



K.C.B., .M.A., LL.D., F.R.B. 



HONORARY KELLOW OF EXETER COLLEOE, OXFORD; (JORBESPONDENT OK THE I^'.STITUTE 



or FRAXCE ; LATK DIRECTOR OF THE NATURAL HISTORY DEl'Ali [MRNTS 



OK THE BRITISH -MUSEUM 



Part XU 



APPENDICULATA 



TPIIRI) FASCICLE 



CRUSTACEA. 



W. T^^CALMAN, D.Sc. (St. And.) 



ASSISTAM' IN THE ZOOLOf:lCAL DEPARTMENT l)K THE BRITISH MrwF.lM 



LONDON 



ADAM AND CHARLES BLACK 



1909 



