SKANDINAVIENS AMPHIPODA GAMMABIDEA. 



37 





GAMMAEID^E. 



a) Pedes secundi paris thoracis articulis senis compositi. 

 6) Antennae superiores flagello appendiculari praeditae. 

 c) Caput antice non productum. 



d) Antennae superiores pedunculo crasso. 



Pedes secundi paris thoracis manu nulla subcheliformi STEGOCEPHALCS. 



Pedes sec. paris thoracis manu praediti subcheliformi 



dd) Antennae superiores pedunculo gracili. 



Bpimera marg. inf. setis destituta ANONYX. 

 Epimera marg. inf. setis ornata . PONTOPOREIA. 



Rami pedum abdominis ultimi 

 paris segmentis quatuor ulti- 

 mis conjunctis breviores. 



Art. quartus ped. 

 sec. paris extremi- 

 tati superiori art. 

 quinti affixus. 



Mandibulse inter se similes GAMMARUS. 



Mandibulas 

 dissimiles. 



Art. quinto ped. primi secun- 



dique paris manum formante NICIPPE. 



Art. quarto ped. primi secun- 



dique paris manum formante PARDALISCA. 



Art. quartus ped. secundi 



paris medio margini antico articuli quinti affixus .... EUSIRUS. 

 Eamus alter pedum abdominis 

 ultimi. paris segmentis quatuor ultimis conjunctis longior et biarticulatus ERIOPIS. 



cc) Caput antice productum et antennas superiores magis minusve tegens PHOXUS. 



bb) Antennae superiores flagello appendiculari carentes. 



I Palp. ped. max. ex art. quatuor PARAMPHITHOE. 

 Mandib. palpigerse. < 



[ Oculi quatuor AMPELISCA. 



Pedes septimi paris reliquis duplo saltern longiores OEDICERCS. 



aa) Pedes secundi paris thoracis e qvinis tantum articulis compositi BATHYPOHEIA. 



