XXI) 
INDEX. 
Order I. — DECAPODA — (continued ). 
Fam. 2. — Macroura, 189 
Astacus, 190 
Anomala, 190 
Albiinea, 191 
Hippa, 191 
Remipes, 192 
Birgus, 192 
Pagiix'us, 193 
Ccenohita, 191 
Pagurus, 194 
Prophylax, 194 
Looistae, 194 
Scyllarns, 195 
Themis, 195 
Ibacus, 195 
Palimirus, 196 
Astacini, 196 
Galathea, 197 
Grimotea, 197 
Munida, 198 
jFiglea, 198 
Janira, 198 
Porcellana, 198 
Monolepis, 198 
Megalopus, 199 
Gebia, 199 
Thalassina, 199 
Callianassa, 200 
Axius, 200 
Eryon, 201 
Astacus proper, 20 1 
Nepbi’ops, 201 
Carides, 202 
Penaeus, 203 
Stenopus, 204 
Atya, 204 
Crangon, 204 
Processa, 205 
Hynaenocera, 205 
Gnatliophyllum, 206 
Pontonia, 206 
Alpheus, 206 
Hyppolite, 206 
Autonorxiera, 206 
Pandalus, 206 
Palaemon, 207 
Sysmata, 208 
Atbanas, 208 
Pasipha'a, 208 
Mysis, 208 
