VI CONTENTS. 



W. I). MATTHEW. 



On Pliospliate Nodules from the Cambrian of SoutluTii New Brmiswick 



(illustrated) 108 



On Antenna- and other Appendages of TriarHiriis Bcckii (Plate VIII.). 2:i7 



A. .T. 51 OSES. 



Rare Faces on Pyrite Crystals, from the Kingsbridge Ship Canal 



(abstract) 69 



On an Api)arently new Sulpliate from Arizona (abstract) GO 



H. F. OSBORN. 



A New Artiodactyl from the Lower Miocene (published bj- title only). . 56 



A New Suborder of the Ancjdopoda (abstract) 95 



The Evolution of Teeth in the Mammalia and its Bearing upon (lie 

 Problem of Phylogeny (abstract) 187 



ALPH^US S. PACKARD. 



Studies on the Life-History of some Bombycine Moths, with Notes on 



tlie Seta' and Spines of certain Species (title only) 138 



C. A. POST. 



A New Driving Clock for Equatorials (abstract) 138 



M. I. PUPIN. 



On tlu; probable Relation between Solar and Terrestrial Activity 26 



The Bearing of Electrical Discharges on Solar Physics (abstract) 48-4 'i 



.T. D. {^UACKKNBOS. 



Tlie Sunapee Saibling: a Fourth New England Variety of Salveliinis. . 139 



.1. K. HKES. 



D- 



Obscrvations of the Partial Solar Eclipsr of October 2()tli, IS'.CJ (pub 



lished l)y title f^nly) 26 



Observations of tin' Periodic Variation of Latitude (published l)y title 



only) 26 



'I'hc Life and Works of Lewis Morris Ruthciruid ii)ul)lislie(l \>\ title 

 on) v) 27 



