I50 



new species. Besides I have taken this opportunity to redescribe an old species, '^ Malacosonia' 

 reticulatum de Man, which has never been figured, and of which I could examine the only 

 known specimen. 



In the followine table the results arrlved at are arrano-ed. 



Family Goneplacidae. 



Subfam . PseiidorJioiubilhiae 



Piluimioplax Stimpson . 

 Eucratc de Haan .... 

 ■ P sophetiais Wood-Mason 

 Lifochcira Kinahan 

 Catoptnis A. Milne-Edwards 



Subfam. Goneplacinac 



Goneplax Leach 



Oiiiiiiatocarcinjis White . 



Subfam. Prionoplacmae 



Hotnoioplax Rathbun . 

 Speocarciniis Stimpson 

 Lophoplax n. g 



Subfam. Rhizopmae 



Ceratoplax Stimpson . 

 Typhlocarcinus Stimpson. 

 Typhlocarcinops Rathbun 

 Xenophthalmodes Richters 

 Mertonia Laurie 

 Notonyx A. Milne-Edwards 

 Pai-aselwynia n. g. 

 Scalopidia Stimpson 

 TypJilocarcinodes Alcock 

 Hcphthopclta Alcock . 

 Camatopsis Alcock . 



Subfam. Hexapodinae 



Hexapus de Haan . 

 Hexaplax Doflein . 



Total 



Species 



I 

 I 

 1 



6 



New 



12 



