1916] Index to Volumes I to XXXI 207 



VOL. PAGE 



Spider, trap-door, nests and food habits, Atkinson 4 I 33 



Spider, protective resemblance, Atkinson 6 28 



Spiegel eisen, analysis, Jackson 2 46 



Sponges, development, Wilson 8 96 



Sponges, general morphology, Wilson 9 31 



Sponges, feasibility of raising from egg, Wilson 15 76 



Sponges of the "Albatross" (1891) expedition, Wilson 21 35 



Sponges, new method of artificially rearing, Wilson 23 91 



Sponges, phenomena of coalescence and regeneration, Wil- 

 son 23 161 



Sponges, development from the tissue cells outside of the 



body of the parent, Wilson 26 65 



Sponges, monazonid, epitheloid membranes, Wilson 27 1 



Sponges, development from dissociated tissue cells, Wilson 29 118 



Spontaneous combustion, Baskebville 16 81 



Spoon, William Luther 



Aquatic respiration in the muskrat 5 21 



Sport in the leaf of Blephilia ciliata (Raf.), Hyams 2 94 



Standard solutions, effect of freezing, Dancy 3 43 



Starches, commercial, value for cotton mill purposes, Mac- 



NiDER 28 135 



Stedman, John Moore 



On the development and a supposed new method of re- 

 production in the sun-animalculse Actinosphwrium 



eichornii 9 83 



Steel, Alvin Arthur 



Recent changes in gold mining in North Carolina that 

 have favorably affected this industry (with J. H. 



Pratt) 23 108 



Stem, Frederick Boothe 



Rapid determination of oil in cotton-seed products (with 



C. H. Herty and M. Orr) 25 21 



Stephenson, John Adlai Don 



Notes on the phenomena accompanying the tornado and 

 hail storm which passed across Catawba and Iredell 



counties. North Carolina, March 25, 1884 1 40 



Sterrett, Douglas Bovard 



Monazite and monazite mining in the Carolinas (with 



J. H. Pratt) 24 61 



Stevens, Prank Lincoln 



The science of plant pathology 21 61 



Stones of North Carolina, building and ornamental, Pratt. . 22 63 



Stone arch, Cain 10 32 



Storm of April 22, 1883, Venable 1 83 



Streptococcus infections of the tonsils, their diagnosis and 



the relationship to acute articular rheumatism, MacNider 24 139 



