312 The Botanical Gazette. [October, 
Nardia crenuliformis. Radula Krausei. 
Odontoschisma Macounii. Scapania albescens. 
Porella navicularis. olanderi. 
Ptilidium Californicum. glaucocephala. 
Radula arctica. Oakesii. —32 
17. Last of all are the ten species peculiar to Asia: 
Calycularia laxa. Jungermania quadriloba. 
Diplophyllum plicatum. Sahlbergii. 
Frullania Davurica. Lophocolea reflexula. 
Jungermania fertilis. Mylia verrucosa. 
ata. Porella grandiloba. 
WAL. 
De Pauw University, Greencastle, Indiana. 
Bacterial investigation of the sea and its floor.’ 
Hs dy RUSSELL, 
as somewhat provisional and will require extended conite 
tion before they can be accepted as general biologica ak 
I trust they may possess some interest even. in thistenta 
connection. : were 
The results, which I can only briefly summarize here, da 
obtained at the Zoological Station at Naples, during 
* Read before Section F, A. A. A. S., Rochester meeting, August, et 
