REPORT ON THE AMPHIPODA. 



215 



CRUSTACEA. 



1846. Kr0YEE, HeNRIK. 



Karcinologiske Bidrag. Fortssettelse. Naturhistorisk Tidsskrift. 'Ny Raekke. 

 II. Kj0benhavn, 1846. pp. 1-88, 115-123. 



In this continuation Kr0yer first describes " Anonyj- Edwarihii" n. s. ?. This is transferred 

 by Boeck to Onedwu-t, and distinguished from the species called " Anonyx Edicarddi, Kr.," 

 in the Brit. Mus. Catal., p. 73. 



" Anonyx HolbolU," n. s., next described, is made by Boeck the type of a new genus, Hipjin- 

 mcdon. 



The next species, Anonyx tumidus, n. s., is made by Boeck the type of another new genus, 

 Arisfias. 



Anonyx minutus, n. s., is transferred by Boeck to his genus Orchumene. 



Anonyx nanus, n. s., is made by Boeck the type of a new genus, Tryphosa. 



Figures are given of these five species in the Voy. en Scand. 



From the species of Anonyx, Kr0yer passes on to the nearly related form Opis, since called 

 Opisa, and now describes in detail under tlie name " Ojiiff typica, Kr.," what ho liad 

 previously described in brief as " Opds Eschrkhtii Holbl." He explains that HolboU had 

 given the name " Anonyx Esclirichtii " and three other names to what were only varieties, 

 sexual or otherwise, of a single species ; Kr0yer himself therefore thought proper to unite 

 them under the name O^ng typica. But the name " Opis Esclirichtii " already published 



