CONTENTS. 



PAOl 



INTRODUCTORY REMARKS, 1 



CLASSIFICATION OF CRUSTACEA, 3 



HOMOLOGIES OF CRUSTACEA, 19 



CRUSTACEA PODOPHTHALMIA, 45 



ORDER I. EUBRANCHIATA, 45 



TRIBE I. BRACHYURA, . . . 58 



I. MAIOIDEA, 75 



I. MAIINEA, ....... 77 



II. PARTHENOPINEA, 136 



II. CANCROIDEA, 142 



I. CANCRINEA, 147 



II. TELPHUSINEA, . . . . . 292 



III. CYCLINEA, 294 



III. CORYSTOIDEA, 290 



IV. GRAPSOIDEA, 306 



V. LEUCOSOIDEA, 389 



TRIBE II. ANOMOURA, . 398 



I. DROMIDEA, 402 



II. BELLIDEA, 403 



III. RANINIDEA, 403 



IV. HIPPIDEA, 404 



V. PORCELLANIDEA, 410 



VI. LITHODEA, 426 



