SPECIES 



66 



HABITAT 



REMARKS 



ursus major (Herbst) 1793 



ursus major (Herbst), var. cari- 



nata Pfefter 18S1 



Parrac (H. M.-Edw.) 1837. . . 



Parribacus Dana 1852. 



Throughout the whole Indooacific, from 

 Japan, the Hawaiian Islands and 

 Australia to Mauritius and Réunion, 

 though not yet recorded from the 

 Red Sea. 



Caribbean Sea. 



Coast of Brazil. 



South Sea. 

 Antilles. 



Syn.: Parrib. papyraceus Rathb. 

 (1906). 



The validity of this species is 

 still doubtful. 



Pseudibacus Guérin 1855. 



The species of this genus are considered by BOUVIER to be the Natant-stage of species of the 

 genus Scyllaridcs Gill. 



Gerstaeckeri Pfefter 1881 . 



Pfejferi Miers 1882 . 

 Veranyi Guérin 1855 



sp. Richters 1873 

 sp. Boas 1880. . . 



Atlantic Ocean. 



Mauritius; Galapagos Islands. 



Nizza. 



Habitat unknown. 

 Brazil. 



According to BOUVIER perhaps 



the Natant-stage of Scyll. ae- 



qninoctialis (Lund). 

 According to Bouvier perhaps 



the Natant-stage of Scyll. squa- 



mosus (H. M.-Edw.). 

 According to BOUVIER perhaps 



the Natant-stage of Scyll. 



latus (Latr.). 



Evibacus S. J. Smith 1S69 1 ) 



princeps S. J. Smith 1869 . '. . | Lower California. 



NistO Sarato 1885. 



The two species of this genus are considered by BOUVIER to bc different Natant-stages of a species 

 of Scyllarus Fabr. 



asper Sarato 1885 

 laevis Sarato 1885 



Nizza. 



Nizza. 



orientalis (Lund) 1793. 



Thenus Leach 18 15. 



Indian Archipelago. 



Indian Ocean. 



Persian Gulf; Red Sea. 



1) According to E. J. Miers (in: Proc. /ooi. Soc. I.ondon, 1882, p. 543) scarcely generically distinct from Pseudibacus. 



