4(S I R F V S O R I A. 



29. VIBRIO FALX. 



ViBRio gibbofus, pofticc obtufus, collo falcato. 



Dan. LEE-STRJEKKEREN. 



Corpus pellucidum, cllipticum, antice in collum terctius- 

 culum hyalinum trunci fere longitudinc attenuatum, pofticc 

 obtuCum. Ipfc truncus fupra planus , fabtus convexus , fcu 

 gibbo inftruftus, moleculis minimis impletus, globulis duo- 

 bus hyalinis, altcro intra cxtremitatem pofticam, altero in ip- 

 fo corporis medio. 



Latere plano furfum vergenre provehitur, gibbofura ra- 

 ro obvertit; formam falcis collo fere immobilt imitatur. Quo- 

 ties deorfum tcndit, collum aliquantum infleQi videtur. 



In paludofis Lemna refertis. 



30. VIBRIO ANSER. 



ViBRio ellipticus collo longo, tuberculo dor- 

 fali. 



Dan. GAASE-STRJEKKEREN. 



Inter V. Protenm & Falceni medlus; ab hoc tuberculo 

 in dorfo pone collum colloquc longiore, ab illo apice colli 

 •JequaU diftinguitur. 



Truncus ellipticus teres absque gibbere laterali, moleculis 

 impletus, poftice vero acuminatus hyalinus, antice in collum 

 trunco longius flexuofum produftus. Huic apex integer, jcqua- 

 Us, nou incraffatus, canalesque intra margines laLcrales ca:rule- 



lcen- 



