CONTENTS 



Original Papers 



Page 



Mineralogy. — Magnesioludwigite, a new mineral. B. S. Butler and W. T. 



Schaller 29 



Anthropology. — Significance of the terms for brother and sister among 



primitive peoples. John R. Swanton 31 



Abstracts 



Physics 36 



Geology 36 



Paleontology 39 



Technology 39 



References 



Chemistry 40 



Mammalogy , 40 



Technology 42 



Proceedings 



The Botanical Society 44 



The Biological Society 45 



The Anthropological Society 47 



