CONTENTS OF RECENT NUMBERS 



Volume 35, Double Number 1 and 2 



Proceedings of the Eighteenth Meeting of the North 



Carolina Academy of Science 1 



Notes on the Occurrence of Tintinnus Serratus in Chesa- 

 peake Bay. Bert Cunningham 12 



On Some Generic Distinctions in Sponges. H. V. Wilson . . 15 

 A Portable Printing Press for the Ecologist. Z. P. 



Metcalf 20 



Craterellus, Cantharellus, and Related Genera of Gill 



Fungi. W.C.Coker 24 



JuGLONE. Alvin S. Wheeler 49 



Our Rats, Mice, and Shrews. C. S. Brimley 55 



Notes on the Flora of Church's Island, North Carolina. 



W. L. McAtee 61 



The Distribution of Rhododendron Catawbiense, with 



Remarks on a New Form. W. C. Coker 76 



Volume 35, Double Number 3 and 4 



Chlorination by Mixed Carbon Monoxide and Chlorine. 



Francis P. V enable and D. H. Jackson 87 



A Rapid Volumetric Method for Determination of Arsenic 



IN Arsenates. James M. Bell 90 



The Land of Ferns. John K. S^nall 92 



The Regional Geography of South Carolina Illustrated 



BY Census Statistics. Roland M. Harper 105 



Notes on the Lower Basidiomycetes of North Carolina. 



W. C. Coker 113 



Volume 36, Double Number 1 and 2 



Proceedings of the Elisha Mitchell Scientific Society, . 



December, 1916, to March, 1920 1 



Proceedings of the North Carolina Academy of Science , . 7 



The Theory of Relativity. A. H. Patterson 19 



A New Method for Laying Out Curves by Deflection 



FROM THE p. I. T. F. Hickerson 42 



A Remarkable Form of Skeletal Element in the Lithistid 

 Sponges (a Case of Analogical Resemblance). H. V. 



Wilson 54 



The Turtles of North Carolina. C. S. Brimley 62 



A Little-Known Vetch Disease. Frederick A. Wolf 72 



Notes on the Mosquito Fauna of North Carolina. Frank- 

 lin Sherman 86 



An Interesting Fertilizer Problem. H. B. Arhuckle 94 



Azalea Atlantica Ashe and Its Variety luteo-alba n. var. 



W. C. Coker 97 



A New Species of Achlya. W. C. Coker and /. N. Couch 100 



