Geographical Distribution of Crustacea. 25 
l. GENERA EXCLUSIVELY AMERICAN OR OCCIDENTAL. 
Cosst on which found.! Coast on which found, 
l. Maioidea, |8. G'rapsoidea. 
Microrhynchus, : west. Cyrtogtapsus, - - . east. 
Salacia, : PENA Uea, - E -. west and east, 
Libidoclea, - - Nest and east. Gecarcoidea,  - east. 
Libinia, -  - " s Fabia, . E west. 
Pelia, : E west. Pinnixa, - - - west and east, 
Ehodia, 3 : E: Pinnotherelia,  - west. 
Pisoides, . . 5i Halicarcinus, - - west and east. 
Thoe, - . west and east. |4.- fewcosoidea. 
CRM Y : wes Platymera — - - west. 
ru c 1 Hepatus, - - west and east. 
Othonia, - - «c Guaia. - 3 « [n 
Mithraculus, | - westandeast. |; Corystoidea. 
Tyche, gu r- i: 1 Telmessus, - : *vest. 
Eurypodius, - Zi ME Peltarion, - - east. 
Oregonia, - z west, Pseudocorystes, : west. 
Inachoides, h $ * 6. Ánomowrd. 
Pugettia - E - Corystoides,  - - west. 
Epialtus, - west and east. Bela, — - : « 
Leudppa, -  - s " Ranilia, —— - . f 
9€. Cancroidea, Albunhippa, - - west. 
Pilumnoides, - - west. Echidnocerus, - : * 
Trichodactylus, - east. AMacrowra. 
Arenzus, - . a 1. Cambarus, - : west and east, 
^Potamia, - - west and east. Paracrangon, - - west. 
Orthostoma, - . east. Z4Eglea,  - E a 
Acanthocyclus,  - west. Cryphiops,  - . » 
2. GENERA EXCLUSIVELY OF THE AFRICO-EUROPEAN DIVISION. 
l. Maioidea.—Lissa, Stenorhynchus, Amathia, Eurynome. 
29. Cancroidea.—Perimela, Portumnus, Polybius. 
3. Grapsoidea.—Gonoplax, Heterograpsus, Brachynotus, Hyme- 
nosoma. 
. Leucosoidea.—lllia. 
. Corystoidea.— Thia, Corystes. 
. Anomoura.—Homola. 
Macroura.—bAxius, Calocaris, Ephyra, Gnathophyllum. 
(e oou 
. GENERA EXCLUSIVELY ORIENTAL, OR OF THE THIRD DIVISION. 
|... 1. Maioidea.—Macrocheira, Paramithrax, Micippa, Lahaina, Naxia, 
Hyastenus, Pyria, Cyclax, Camposcia, Paramicippa, Tiarinia, Perinea, 
Halimus, Menzthius, Stenocionops, Huenia, Xenocarcinus, Parthenope, 
Eumedonus, Ceratocarcinus, Gonatonotus, Eurynolambrus. y 
2. Cancroidea.—Atergatis, Liomera, Liagora, Medzus, Halimede; 
Etisus, Carpilodes, Zozy mus, Daira, Cy mo, Polydectus, CEthra, Galene; 
Pseudozius, Melia, Acanthodes, Actumnus, Ruppellia, Domzcius, 'Fra: 
pezia, T'etralia, Quadrella, Scylla, Charybdis, Lissocarcinus, Podoph- 
thalmus. 
3. Grapsoidea.—Curtonotus, Cleistostoma, Macrophthalmus, He: 
lcecius, Scopimera, Doto, Eriocheir, Platynotus, Trichopus, Sarmatium; 
Helice, Gecarcinicus, Xenophthalmus, Xantliasia, Hy menicus, Elamena, 
Myctiris. 
4. Leucosoidea.—Mursia, Orythia, Thealia, Matuta, Philyra, Leu- 
cisca, Nucia, Nursia, Myra, Ixa, Iphis, Arcania, Oreophorus, Tlos, 
Ethusa. 
A 
