170 Geographical Distribution of Crustacea. 
1. GENERA EXCLUSIVELY AMERICAN OR OCCIDENTAL. 
Coast on which found.| Coast on which found, 
1. Maioidea, 3. Grapsoidea. 
Microrhynchus, - west. Cyrtograpsus, - - east. 
Salacia, - - 2 ca, ~ ‘west and east. 
Libidoclea, - - ‘west and east, Gecarcoidea, : east. 
Libinia, - ie ie choca - west. 
Pelia, . - west. Pin - west and east. 
Rhodia, - - " Pinnotherelis, | “ west. 
Pisoides, - - a Haliearcinus, - - west and east. 
Thoe, - - west and east. 14 [Leycosoi 
Chorilia, - . west. Platymera, - 5 Wether 
Seyra, - : Hepatus, - - west and east. 
Othonia, “ - P Guaia, - 3 «“ cS 
Mithraculus, = - west and east. | 5 orystoidea. 
a =e 3 Telmessus, - - west, 
rypodius, - - * eltarion, - - east. 
Oregonia, - : west Pseudocorystes, - 
Inac ae rs ss 6. Anomoura. A i 
ettla, - = Ol - - ‘wes 
Epialtus, svest and east. wa - 
Leucippa, - - ss Ranilia, 2 
2. Cancroidea. Albunhippa, = west. 
Pilumnoides, - - west, Echidnocerus, - 
Trichodactylus, —- east. Macroura. 
Arenzus, - Ri get . Cambarus,. - - west and east. 
Potamia, - - west and east. Paracrangon, - - west. 
Orthostoma, - 4 east. fEglea, - - i 
Acanthocyclus,  - _ west. Cryphiops, - : ie 
2. GENERA EXCLUSIVELY OF THE AFRICO-EUROPEAN DIVISION. 
1. Maioidea.—Lissa, Stenorhynchus, Amathia, Eurynome. 
- Cancroidea.—Perimela, Portumnus, Polybius 
3. Grapsoidea.—Gonoplax, Heterograpsus, Brachynotus, ‘Hyme- 
a 
4. Leucosoidea.—llia 
5. Corystoiden—Thia, eee: 
6. Anomoura.—Hom 
as Hate Aik Caloeiitis Ephyra, Gnathopbyllum. 
3. GENERA EXCLUSIVELY ORIENTAL, OR OF THE THIRD DIVISION. 
1. Maioidea.—Macrocheira, Paramithrax, Micippa, Lahaina, Naxia, 
Hyastenus, Pyria, Cyclax, Camposcia, etn esa Tiarinia, Perinea, 
Halimus, Menzthius, Stenocionops, Huenia, Xenocarcinus, Parthenope; 
eaten he atocarcinus, Ccieandeas: Enutyn olambrus. 
. Cancroidea.—Atergatis, Liomera, Liagora, Medzus, Halimede; 
al 
us. 
: Grapsoidea.—Curtonotus, Cleistostoma, Macrophthalmus, _ oh 
laecius, Scopimera, Doto, Eriocheir, Platynotus, Trich hopus, Sarmatium 
qiclice, Gecarcinicus, Xenophthalmus, Xanthasia, Hymenicus, Elamen@ 
as ctiris. 
4. Leucosoidea.—Mursia, Orythia, Thealia, Matuta, vivant, Leu- 
Pores Nucia, Nursia, Myra, Ixa, Iphis, Arcania, Oreoph rus, Tlos, 
See ge Eee eS eT ee 
