1,V » SMITHSONIAN MISCELLANEOUS COLLECTIONS L vo, <- 50 



and at the same height in the free air. These experiments were 

 aided by a moderate grant from the Hodgkins Fund. 



An additional grant has been approved on behalf of Dr. von 

 Lendenfeld, of the University of Prague, for the continuance of his 

 investigation of the flight organs of insects. On completion of this 

 research a report will be submitted for publication by the Institution. 

 The present volume of the Quarterly Issue of the Smithsonian Mis- 

 cellaneous Collections contains a report by Mr. Leo Walter "On the 

 connection of the fore and hind wings of the Hymenoptera," this in- 

 vestigation having been conducted under the direction of Dr. von 

 Lendenfeld. 



Mr. C. M. Manly, formerly chief assistant in the aerodromic work 

 conducted at the Smithsonian Institution, is completing the memoir 

 of Secretary Langley on Mechanical Flight. This work will form 

 an important addition to the interesting series of articles by Secretary 

 Langley, on this and cognate subjects, already published. 



The meteorological experiments with registering balloons con- 

 ducted by Mr. A. L. Rotch, Director of Blue Hill Meteorological 

 Observatory, are to be continued at St. Louis during the coming 

 autumn and have been again aided by the Hodgkins Fund. Results 

 of value to the science <>f meteorology are hoped for from this series 

 of experiments. 



The researches on sound by Dr. A. G. Webster, of Clark Univer- 

 sity, are still in progress. A moderate grant for the purchase of 

 apparatus, which will revert to the Institution on the conclusion of 

 the investigation, has recently been approved on behalf of Profess n- 

 Webster. 



