THE AMERICAN 



MONTHLY 



MICROSCOPICAL JOURNAL 



Vol. XIII. 



JULY, 1892. 



No. 7. 



CONTENTS 



New Desmids From New Hamp- 

 shire. — I (Illustrated). — Hast- 

 IJ^GS - - - - 153 



Microscopical Illustrations. — 



TOLMAN 155 



Impressions of the Antwerp Mi- 

 croscopical Exposition. -Waki) 157 



EniTORiAL. — Priority in Giving 

 Scientific Names. The Sci- 

 ence Meetings ------ 163 



Microscopical Apparatus. — 

 The Lane- Sear Microscope 

 Lamp (Illustrated). A Box 

 for Slides (Illustrated). A 

 Pressureless Mounting-Clip- 

 A Cheap Camera. To Ar- 

 range a Photomicrograph ic 

 Dark Room - 165 



Microscopical Manipulation. 

 — Collecting Terrace Dust. 167 



169 

 169 



70 



Biological Notes. — Circular 

 Growth of Fungus - - - - 



Diatoms. -The Mobile Deposits. 



Bacteriology. — The Examina- 

 tion of Sputum lor Tubercle- 

 Bacilli. Biedert's Method. 

 Gabbet's Staining Process. 

 For Cover-Glass Preparations. 



Obituary Notices. — Dr. L. D. 

 Mcintosh. Dr. Justin R. 

 Hayes - . - . 



Microscopical News. — Leidj's 

 Microscopes. H. L. Tolman. 

 The Kev to Alga' and Desmids. 

 Prize --------- 174 



Correspondence 175 



Microscopical Societies. — 

 San Francisco 175 



Notices of Books 176 



r~ 



New Desmids From New Hampshire. — I. 



By WM. N. HASTINGS, 



ROCHESTER, N. H. 



WITH ONE PLATE. 



Diagnoses of the following desmids have been published in a 

 local newspaper. The dates affixed give the date of such publi- 

 cation. 



Euastrum magnificum, var. crassioides, var. nov., Wolle. 

 (Plate I, fig. la, ib, ic, x 500.) This may be most concisely de- 

 scribed as intermediate between E. magnificum (Wolle) and E. 

 crassum. In end view it is nearly like the first, but in this view 

 the intermediate lobe is rounded, not " notched." In lateral view 

 this lobe is notched, and the central inflation is seen to be most 



