200 JOURNAL OF THE [November, 



Mr. H. B. Chamberlin, secretary of the Denver Microscopical 

 Society, was present at this meeting. Responding to a request 

 of the President, he described briefly and gracefully the mem- 

 bership, the meetings, and the work of his Society. The Society 

 was organized two years ago, and it has now fi)rty-five members. 



Meeting of October i6th, 1885. 



The President, Mr. C. Van Brunt, in the chair. 

 Twenty-seven persons present. 



Prof. Alfred M. Mayer, of the Stevens Institute of ^rechnology, 

 was elected an Active Member of the Society. 



OBJECTS exhibited. 



1. Section of Carboniferous Limestone from Peoria, 111., con- 

 taining FusuUjia cylindrica : by A. Woodward. 



2. Head of House-Fly, transparent : by F. W. Devoe. 



3. Pectinate/la niagnifica : by A. D. Balen. 



4. Diatoms from Tampa Bay, Florida, — Eupodisais, Coscino- 

 disci/s, Triceratium, Auliscus, Actinoptychus, Navicula ; collected 

 by the Officers of the Coast-Survey : by E. A. Schultze. 



5. Cross-Fertilizing Apparatus of Lobelia syphilitica^ L. : by 

 J. L. Zabriskie. 



6. Meteoric Iron from Glorieta Mountain, New Mexico : by 

 Geo. F. Kunz. 



7. Seeds of Alyssum maritivium : by B. Br am an. 



FUSULINA CYLINDRICA. 



Mr. A. Woodward : " The foraminifer Fusulitia cylindrica is 

 found in abundance in the carboniferous limestone of Kansas, 

 Nebraska, Missouri, and Illinois. For purposes of examination, 

 the stone may be easily cut into thin sections, or perfect speci- 

 mens of Fusulina may be picked out of it with little difficulty. 

 This form assumes various shapes. Its surface between the sep- 

 tal furrows is generally smooth. The furrows themselves are 

 rough, moderately distinct, and a little curved toward the ex- 

 tremities. The transverse section exhibited under the micro- 

 scope shows the structure and number of the volutions, which 



