INDEX. 



797 



International Zoological Con- 

 gress. An Electric Wax-Cutter 

 for Use in Reconstructions. 627- 

 036, 740; Report of the Publi- 

 cation Committee, 751. See 

 Zoological Laboratory of the 

 Museum of Comparative Zool- 

 ogy at Harvard College, Contri- 

 butions from. 



Mark, E. L., and Copeland, ]\r., 

 Some Stages in the Spermatogen- 

 esis of the Honey Bee, 101-111. 



Mars, Temperature of. A Determi- 

 nation of the Solar Heat re- 

 ceived, 649, 739. 



]\Iendeleeff, I)., Death of, 743. 



^Meteorological Observations in 190G 

 above the Tropical and Equato- 

 rial Atlantic, 74.5. 



jNIeteorology, The, of the North and 

 Soutli Polar Zones, 740. 



Mexican Plateau, The Eastern Es- 

 carpment of the, 758. 



;Me.\ico, New or otherwise Note- 

 worthy Spermatophytes from, 

 742. 



Mexico, New Species of Senecio and 

 Schoenocaulon from, 742. 



^Michigan Agricultural College, Let- 

 ter from, ~A2. 



]\Ioore, A. H., Revision of the Genus 

 Spilanthes, 519-569, 738. 



Morse, IL W., The Kathode-Lumi- 

 nescence of Fluorite, 742. 



Mt. Taylor Region, New Mexico, The 

 Volcanic Necks of the, 743. 



Museo Xacional, Mexico, Letter from, 

 737. 



Museum of Comparative Zoology at 

 Harvard College. See Zoologi- 

 cal Laboratory. 



Musical Taste, The Accuracy of, in 

 regard to Architectural Acous- 

 tics, 49. 



^lyriapods. Spermatogenesis of the, 

 487, 74L 



Xash, Bennett IL, Death of, 737. 



New York Academy of Sciences, Let- 

 ter from, 745. 



Nichols, Ernest Fox, presented with 

 Rumford Medal, 741. 



Norton, C. L., elected Resident Fel- 

 low, 758. 



Observatorio Astronomico de la Plata, 

 Letter from, 737. 



Oflicers, elected, 756; List of, 771. 



Ophryosporus, Revision of the Genus, 

 17. 



Optic Chiasma of Teleosts : A Study 

 of Inheritance, 215. 



Orizaba, Mexico, An ascent of, 738. 



(Orthogonal Functi(jns of Two Vari- 

 ables, On the Conditions to be 

 satisfied if tlie Sums of the 

 Corresponding Members of Two 

 Pairs of, are to be Themselves 

 Orthogonal, 147. 



Peirce, B. O., On the Conditions to 

 be satisfied if the Sums of the 

 Corresponding Members of Two 

 Pairs of Orthogonal Functions 

 of Two Variables are to be 

 Themselves Orthogonal, 147- 

 157; On the Correction for the 

 Effect of the Counter Electromo- 

 tive Force induced in a Moving 

 Coil Galvanometer when the In- 

 strument is used Ballistically, 

 159-169; On the Length of the 

 Time of Contact in the Case of 

 a Quick Tap on a Telegraph Kev, 

 93-100; On the Magnetic Be- 

 havior of the Finely Divided 

 Core of an Electromagnet or of 

 a Transformer while a Steady 

 Current is being established in 

 the Exciting Coil, 740; On the 

 Permeability and the Retentive- 

 ness of a Mass of Fine Iron Parti- 

 cles, 85-91; A Simple Device 

 for JNIeasuring the Deflections 

 of a Mirror Galvanometer, 171- 

 174. 



Permeability and the Retentiveness of 

 a Mass of Fine Iron Particles, On 

 the, 85. 



Physiological Basis of Illumination, 

 On the, 744. 



Pierce, George W., elected Resident 

 Fellow, 758. 



Piqueria, Revision of the Genus, 1. 



Pitch, Variation in Reverberation 

 with Variation in, 49. 



Polar Zones, North and South, The 

 Meteorology of, 740. 



Position Isomerism and Heats of 



