106 
IIT. 
DETERMINATION OF SPECIES. 
P. pseudianthina. 
P. laurentia. 
4. Phosphorescent species. 
P. javanica. 
II. Do not grow on gelatin. 
P. europea. 
P. javaniensis. 
Family Spirillacee. 
. Genus. Spirosoma. 
Spirosoma nasale. 
Spirosoma linguale. 
Spirosoma aureum. 
Spirosoma flavum. 
Spirosoma flavescens. 
Spirosoma attenuatum. 
Spirosoma gregarium. 
. Genus. Microspira. 
I. Not phosphorescent. 
1. Do not liquefy gelatin. 
Microspira canalis. 
Microspira saprophiles. 
Microspira tonsillaris. 
2. Liquefy gelatin. 
Microspira comma. 
Microspira metschnikovi. 
Microspira finkleri. 
Microspira sputigena. 
Microspira marina. 
II. Phosphorescent. 
Microspira dunbari. 
Microspira coronata. 
Microspira annularis. 
