320 Geographical Distribution of Crustacea. 
theride, which contains eight species in the Torrid zone and 
fifteen in the Temperate. Considering the genera, however, we 
genera, or are about equally divided between the Torrid and 
Temperate zones. They are as follows: 
Torrid species. Temp’te species. 
Pseudograpsus, . tee 2 
Heterograpsus, 
Brachynotus, 
Planes, : 
Hemigrapsus, 
Nwornynocd 
ore OD ee 
ograpsus, 
Chasmagnathus, Z : : 
Five out of twelve species of Grapsus also reach into the colder 
seas. Further particulars will be gathered from the tables. " 
XIII. The Leucosoids include as cold-water genera the fol- 
lowing : 
Torrid. hve rest 
collected. 
II. ANOUMOURA. 
| XVI. The Anoumoura are nearly equally divided between the 
torrid and temperate zones, there being hardly one-tenth more 
torrid than cold-water species. Only fifteen species out of tW° 
