XLII BIOLOGICAL SOCIETY OF WASHINGTON. 



ING SEED, and also made REMARKS UPON BEE-FLY LARVAE AND 



THEIR SINGULAR HABITS, and Upon a BURROWING BUTTERFLY LARVA. 



Mr. H. H. Birney read a paper upon THE AILANTHUS MOTH, 

 SAMIA CYNTHIA, which was discussed by Messrs. Riley and Mann. 



Dr. Frank Baker read a paper upon THE ORIGIN OF DEXTRAL 

 PREFERENCE IN MAN. It was discussed by Messrs. King, Ellzey, 

 Ward, Mason, Toner, Mann, Gill, and Riley. 



FIELD MEETING AT BLADENSBURG, April 28, 1883. 



A field meeting was held at Bladensburg, Maryland, and was 

 attended by a number of members of the Society. 



FORTY-SEVENTH MEETING, May n, 1883. 



The President occupied the chair. Twenty- two members were 

 present. 



Prof. Ward made a communication entitled NOTES ON SOME 



HITHERTO UNDESCRIBED FOSSIL PLANTS FROM THE LOWER YELLOW 

 STONE AND COLLECTED BY Dr. C. A. WHITE IN 1882.* 



Mr. True made remarks upon A NEW PIGMY SPERM WHALE FROM 

 THE NEW JERSEY CoAST,f which he proposed to name Kogia Goodei. 



Dr. Thomas Taylor offered a communication ON ACTINOMYKOSIS, 

 a new infectious disease in man and the lower animals, and ex 

 hibited specimens of the fungus Actinomyces, from the viscera of 

 a diseased dog. The discussion was adjourned to the next meeting. 



FORTY-EIGHTH MEETING, May 25, 1883. 



Prof. Theodore Gill, Vice-President, occupied the chair. Twenty 

 members were present. 



Dr. Thomas Taylor continued his remarks upon a recently dis- 



" This paper will be incorporated with a forthcoming report to the Director of 

 the U. S. Geological Survey. 



-(-1883. TRUE, FREDERICK W. A New Sperm Whale (Kogia Goodei}. 

 ^Science, I, p. 470, 1883, 



