640 Scientific Serials. [ October. 
Means of adapting the Binocuiar Microscope to Defects in the Eye. 
H. Ward, Remarks on some American Contributions to the Develop- 
ment of the Modern {Microscope. P. H. Van der Weyde, On a new 
System of Finder for the Microscope. P. H. Van der Weyde, On a few 
Simplifications of the Polarizing and of the Spectroscopic Microscope. 
P. H. Van der Weyde, On some Modifications and Special Attachments 
to the Microscope for Chemical Research. George Beatty, Results ob- 
tained by Double Staining of Muscular Tissue of Amphiuma with Picric 
Acid and Carmine. 
SCIENTIFIC SERIALS." 
Tur GEoLoGIcAL Macazinr.— August. Contributions to the Study 
of Volcanoes, by J. W. Judd. Pebble Ridges, by T. M. Reade. Re- 
marks on Mr. Burns's Paper on the Mechanics of Glaciers, by James 
roll. 
MONTHLY Microscopical JOURNAL. — August. Observations upon 
Spermatozoa of Amphiuma tridactylum, by C. Johnston. On the Ossifica- 
tion Process in Birds, and the New Formation of Red Blood-Corpuscles 
during the Ossification Process, by Dr. L. Schoney. On a Possible 
Explanation of the Method employed by Nobert in ruling his Test- 
Plates, by W. A. Rogers. 
THE GEOGRAPHICAL MAGAZINE. — August. Sketches of Life in 
Greenland. The Basin of the Ob and Yenisei Rivers. The Seat of War. 
Dr. Beccari’s Third Visit to New Guinea, by H. H. Griglioni. The 
Sea-Level, by H. P. Malet. 
ANNALES DES Sciences NATURELLES. — June 30th. Mémoire sur 
les Mceurs et l’ Accouchement de l’ Alytes obstetricans, par A. De D'Isle. 
Mémoire sur Embryologie de quelques Eponges de la Manche, par Ch. 
Barrois. 
Loea 
ERRATA. 
Is the article on Progress of Ornithology in the United States, 
the September number, the following corrections should be made :— 
Page 540, 13th line from top, dele “and has recently been republished.’ ; 
Page 541, add to the last line of the first paragraph, “ and fifty prepared especially 
for this edition.” 
Page 544, 17th line from top, for “ Lawrence and Fowler 
and Fowler.” 
Page 544, 16th line from bottom, for “ Hoy and Barry ” read 
Barry.” 
Page 545, 15th line from bottom, for “ Tringaw ” read “ Tringee.” 
Page 545, 9th line from bottom, for “ myology ” read “ osteology-” and 
Page 546, llth line from bottom, for “ Rogers and Wilkes” read “ Perry 
Wilkes, and Lieutenant Gilliss.” 
Also, in the article entitled Microscopes at the Loan Collection of Sci 
ratus at the South Kensington Museum, the author’s name should be “ John 
instead of “ John Nichols.” 
1 The articles enumerated under this head will be for the most part selected. 
ete., published in 
, 
» read “Lawrence, Gregg; 
« Pratten, Hoy, and 
entific Appi 
Michels, 
