VIBR.ia 49 



Motus lciiais quiilis Fnfciolarum y feithians vero pro- 

 prlus, anticam enim & pofticam corporis partem fijrfum dc- 

 orfuin altsniatim movendo, totumcjue fimul corpus ad moduK^ 

 cylindri circum agendo celerrime per aquas fcrtur. 



Iii aqua gelu foluta & alibi haud frequens. 



35. VIBRIO coLyMBus. 



ViBRio craflus, poftice acuminatus, colio futi- 

 falcato. 



Dan. LOM-STR/^EKKEREN, 



Congcneribns major avera aquaticitn ooa inepte re- 

 fcrens. 



Collum teres curvatum squale, hjralinum apice obtufum, 

 trunco brevius. 



Tritncus craffiusculus, fubtriquctcr , molecuiis flavefcen- 

 tibus rcpletus , antice latus, humcris fsepc prominulis, pofts- 

 riora verfus in apicem acutum acuminatur. 



Motus lentus. 



In aquis raro. 



V. CYCLIDIVM. 



Vennis inconfpmms fiinplicijjimus pellucidus^ 

 complanatiis orbicularis ^ vel ovatus. 



36. CYCLIDIUM BULr.A. 



CycLiDiUM orbiculare hyalinum. 



G Cycii- 



