INDEX. 
XXI 
Order I. — DECAPODA — (^continue<r). 
Cardisoma, 175 
Gecarcinus, 175 
Plagufiia, 176 
Grapsus, 176 
Orbiculata, 177 
Corystes, 177 
Leucosia, I78 
Ixa, 178 
Iphis, 178 
Nursia, 178 
Arcania, I78 
Ilia, 178 
Persephona, 178 
Myra, 178 
Leucosia, I78 
Phylira, 179 
Ebalia, 179 
Trlgona, 179 
Parthenope, 179 
Lambrus, 180 
Mithrax, 180 
Acanthonyx, 180 
Pisa, 181 
Pericera, 181 
IV1aia,''181 
Micippe, 182 
Stenocionops, 182 
Camposcia, 182 
Halimus, 182 
Hyas, 183 
Libinia, 183 
Docltea, 183 
Egeria, 183 
Leptopus, 184 
Hymeiiosoma, 184 
Inachus, 184 
Achseus, 185 
Stenorhynchus, 185 
Leptopodia, 185 
Pactolus, 185 
Lithodes, 185 
Cryptopoda, 186 
Calappa, 186 
jEthra, 187 
Notopoda, 187 
Homola, 187 
Dorippe, 187 
Dromia, 188 
Dynomene, 188 
Ranina, 189 
