vi CONTENTS. 
WwW. D. MATTHEW. 
On Phosphate Nodules from the Cambrian of Southern New Brunswick 
(GUISE EAD) 8s ow cio cle kW pa oe eoene a atte one Ret aiel ce fae sees are ae soe LOS 
On Antenne and other Appendages of Triarthrus Beckii (Plate VIII). 237 
A. J. MOSES. 
Rare Faces on Pyrite Crystals, from the Kingsbridge Ship Canal 
(abstract).....- Moser ajolle fel hotel shterois?>fouage lee edits ieee Veta ieee acer ere ale 69 
On an Apparently new Sulphate from Arizona (abstract).............. 69 
H. F. OSBORN, 
A New Artiodactyl from the Lower Miocene (published by title only).. 56 
A New Suborder of the Ancylopoda (abstract)........ +92 8 acai ap aatans teeta 95 
The Evolution of Teeth in the Mammalia and its Bearing upon the 
Problem of Phylogeny (abstract)............ssceesee ees ST Rea 187 
ALPHAUS S. PACKARD. 
Studies on the Life-History of some Bombycine Moths, with Notes on 
the Setae and Spines of certain Species (title only)..............+55. 138 
Cl yAS POST: 
A New Driving Clock for Equatorials (abstract).......0......+.2+-.05- 138 
M. I. PUPIN, 
On the probable Relation between Solar and Terrestrial Activity...... 26 
The Bearing of Electrical Discharges on Solar Physics (abstract)..... 48-49 
J. D. QUACKENBOS. 
The Sunapee Saibling: a Fourth New England Variety of Salvelinus.. 139 
J. K. REES. 
Observations of the Partial Solar Eclipse of October 20th, 1892 (pub- 
lished by title only).... ...-----eeeeee eee eee e eee cece terse ees 26 
Observations of the Periodic Variation of Latitude (published by title 
ONG). aha'a $ hale Sain dh sist aleiaes crelateieim Rib imreiaye musings sin er) 5 ot Vn 9 ee 26 
