LIST OF CONTRIBUTORS. 39 



Dahrach, Jas. Continued. 



List of plants flowering in the neighborhood of Philadelphia 



in July, August, September and October. P '60, 511 



On tumor from stomach of horse. P '60, Biol. 3 



Daubree Gabriel Auguste. Biographical notice of. P '94, 444 

 Davidson. George. On the geysers of Pluton Canon. P '59, 273 

 Davis, G. C. Some notes from a study of the Provancher col- 

 lection of Ichneumonidae. P '94, 184 

 Davis, Joseph Barnard. On the crania of the ancient Britons, 

 with remarks on the people themselves. P '57, 40 



On the measurement of crania. P '59, 330 



■ An attempt to ascertain the average weight of the brain in 



the different races of mankind. J VII, 345 

 Dawson, J. W. On the gypsum of Nova Scotia. P '47, 272 



Notice of specimens of the wheat midge from Nova Scotia. 



P '49, 210 



On fossil coniferous wood from Prince Edward Island. 



P '54, 62 

 Day, L. T. The species of Odontomyia found in the United States. 



P '82, 74 

 Deane, James. Fossil footprints of Connecticut River. J II, 71 



On the sandstone fossils of Connecticut River. J III, 173 



Deby, Julien. Researches on the cryptogamic flora of the State 



of Georgia. J III. 59 

 Dercum, Francis X. The lateral sensory apparatus of fishes. . P 



'79, 152 

 De Vesey, John Xantus. Descriptions of two new species of 



birds from the vicinity of Ft, Tejon, Gal. P '58, 117 

 Dewalque, G. J. Gustave. Biographical notice of. P '99, 375 

 Dickeson, M. W. On fossil bones from the vicinity of Natchez, 



Mississippi. P '46, 106 

 — : — Remarks of fossil footprints. P '46, 109 

 Dietz, R. Description of a testaceous formation at Anastasia 



Island, extracted from notes made on a journey to the southern 



part of the United States during the winters of 1822 and 1823. 



J iv, 73 

 Dixon, Samuel G. The development of Bacillus tuberculosis. 



P '90, 438 



Report of experiments now being pursued in the bacteriologi- 

 cal laboratory of the Academy. P '91. 161 



