Geographical Distribution of Crustacea. 171 
5. Corystoidea.—Kraussia, CKidia, Dic 
6. Anomoura.—Caphyra, Raninoides, ‘Raning Notopus, Lyreidus, 
Cosmonotus, ore Diogenes, Aniculus, us. 
7. Macroura—Laomedia, er oe othoe, Callianidea, Callisea, The- 
nus, Ibacus, Amadbided Parken hrops, Cyclorhynchus, Atyoida, Alope, 
ipus, Harpilius, Anchistia, Sclecataacithe Hymenocera, Oplophorus, 
Regulus, Stenopus, Spongicola, Acetes, Eucopia. 
4. gens COMMON TO THE AMERICAN AND ge ee ig 
DIVISIONS, BUT NOT IN THE THIRD, OR O 
1. Maioidea. phase preoscn Leptopodia, sae Gea 
2. Cancroidea.—Atelec 
3. Anomour a— Mania rete: 
4. Macroura.—Homar 
5. GENERA COMMON TO THE AFRICO-EUROPEAN AND ORIENTAL 
DIVISIONS, NOT YET FOUND IN THE OCCIDENTAL, 
. Maioidea.—Inachus, Doclea, Maia, Acheus, Lambrus. 
Cancroidea.—Actwa, Actzodes, Thalamita, Portunus, Telphusa. 
. Leucosoidea.—Cycloes, Ebalia, Dorippe. 
Anomoura.—Latreillia, Cymopolia, nip ties - 
. Macroura.—Nika, Lysmata; Caridinia 
Ot ee OO DD 
6. GENERA COMMON TO THE THREE DIVISIONS. 
1. Maioidea.—Pisa, ii (mainly Occid.), Aca 
« 2. Cancroidea.—Xantho, Panopeus (mainly Occidental), ‘Pilutnnve, 
piiphia, Lupa, iphieiee Carcinus, Platyonychus 
Grapsoidea.—Grapsus, Goniograpsus, facto (sparingly Euro- 
“Aah pee, bos tage Pinnothera, o la 
Anomoura.—Dromia (sparingly Occid.), Asbutine: Porcellana, 
Lithodes, Paguristes, Rattibaries, ee (mainly Orient.), Clibana- 
Tlus, Gala me ea, 
5. ura.—Gebia, Scyllarus, Panulirus, Palinurus, Astacus 
Crangoo, ‘Alpheul, Betzeus, Hippolyte, Pandalus, Paleemon, Sicyonia, 
the three divisions. ‘The may be much changed by — 
1. SPECIES STATED TO BE COMMON TO DIVISIONS 4. ~ B., OR THE 
AMERICAN AND THE AFRICO-EUROPEAN WATE 
"Hyas coarctata: Massachusetts and Long Island, in ited States ; 
France ; England ; Shetlands. 
Leptopodia sagittaria: Canaries ; behue Indies ; Valpara 
Panopeus Herbstii: Mediterranean; Key West, South Teabolita, 
and New York in United States, 
