754 Wisconsin Academy of Sciences, Arts , and Letters. 
Progne subis (Linn.), 617. 
Puccinia, nuclear phenomena in, 64, 66, 
74. 
PUCHNER, R., 480. 
Puls, Mrs. Marie, 480. 
Question-asking Word, 433, 464; its 
meaning, 433, 467; its rank, 441, 
468. 
Quiscalus quiscula aenus (Ridgw.), 612. 
Raciborski, on nuclear phenomena, 76. 
Rail, sora, 593. 
Rail, Virginia, 592. 
Rainbow Lake, diurnal movement of 
plankton Crustacea in, 53S. 
Rallus virginianus (Linn.), 592. 
Ranantra fusca, alimentary tract of, 
487; anatomy of, 487; bibliogra¬ 
phy for anatomy of, 502 ; figures il¬ 
lustrating anatomy of, 504-508; 
nervous system of, 496; reproduc¬ 
tive organs of, in female, 499 ; re¬ 
productive organs of, in male, 497 ; 
respiratory system of, 493 ; salivary 
glands of, 491. 
Red-head duck, nest of, plate X.LVI. 
Reighard and Jennings, on the anat¬ 
omy of the cat, cited, 626. 
Remsen, Ira, on action of hydrogen 
chloride upon zinc, cited, 342. 
Riemann-Roch theorem, proof of, 658. 
Riemann’s surface, properties of, 655. 
Robin, American, 620. 
Rosen, on nuclear phenomena, cited, 63, 
64, 66. 
Ruddy duck, 587. 
Ruddy duck, nest of, Plate XLVII. 
Sand hill crane, 592. 
San Pedro River, diatom earth in val¬ 
ley of, 107. 
Sappin-Trouffy, investigations' of, on 
nuclear phenomena, cited, 63, 64, 
66. 73. 
Sapsucker, yellow-billed, 606. 
Sars, on ostraeods. cited, 119. 
Saskatchewan birds, 569. 
Sayornis phoebe (Lath.), 608. 
Schmitz., on nuclear phenomena, cited, 
63. 
Scientific truths discovered in 19th cen¬ 
tury, 8. 
Schrochilus con tortus Sars, relation of, 
to Entocythere, 119. 
Schmeil, Otto, on Gopepoda, cited, 
279. 
Schoeffler. Moritz, German printing 
office of, 472. 
Schtjrz, Carl, letters of, cited, 472. 
Sentence, as a thought-symbol, 360. 
Severin, Henry and Marshall —Some 
Points in the Anatomy of Ranantra 
fusca P. Beauv., 487. 
Silicon tetrachloride as solvent, 332. 
Siller, Frank, 481. 
Slichter, C. S., Address on Recent Crit¬ 
icism of American Scholarship, 1- 
15. 
Smedley, F. W.. report on memory span 
in children, cited, 509. 
j Smith, Charles Forster— Memorial 
address on C. Iv. Adams, 671. 
I Smith, G., on nuclear phenomena, cited, 
74. 
Snipe, Wilson’s, 595. 
Snyder, Carl, on American scholarship, 
quoted, 1. 
Solidago canadensis, rust on, 67. 
Solidago ulmifolia, rust on, 67. 
Soubron, W. O., 481. 
Sparrow, chipping, 614; clay-colored, 
614; English, 620; song, 615; 
swamp, 616 ; white-throated, 613. 
Spatula clypeata (Lynn), 583. 
Spbyrapicus vmius (Linn.), 606. 
Spiders, see Attidae; ballooning habit 
of, 181. 
Spirogyra, nuclear phenomena in, 77. 
Spizella pallida (Swains.), 614. 
Spizella socialis (Wils.), 614. 
Starch grain, the structure of, 527; 
structure of, in barley, 528; in 
bean, 528 ; in canna, 528 ; in corn, 
528 ; in pea, 528 : in Pelliona Dave- 
anna, 528 ; in potato tuber, 528 ; in 
rye, 528: in sugar cane, 52S; in 
wheat, 528. 
Steinlein, Augustus, 482. 
Sterna forsteri (Mutt.), 576. 
Steele, George McKendree, memorial 
address on, 678. 
Stock duck, 581. 
Stone. Witmer, on racial variation in 
plants and animals, quoted, 632. 
Strasburger, on nuclear phenomena, 
cited, 69, 75. 
Sturnella magna neglecta (And.), 612. 
Sulphur monachloride as solvent, 334. 
Swallow, cliff, 617 ; tree, 617. 
Symbolization, integral, 359; multiple, 
359 ; fractional, 359. 
Symbols, word, 359; thought, 360. 
Shakespeare, dictionaries accessible 
to, 42 : influence of Bible upon, 41; 
vocabulary of, 40 ; words coined by, 
51. 
Shoveller duck, 583. 
Shrike, white-rumped, 618. 
Tachycineta bicolor (Vieill.), 617. 
Teal, green-winged, 582 ; nest of, Plate 
XLV. 
Technical science, growth of in Amer- 
Tern, black, 577. 
Tern, Forster’s. 576; nest of, Plate 
XLII. 
Theta-functions, use of, in study of 
curves, 665. 
Thionyl chloride as solvent, 335. 
Thomson, .7. J., on ions, quoted, 340. 
T'hon, C. K., on Arrenuri, cited, 145.- 
Thormachlen, Anton, 482. 
Thought analyses, 365; comparative 
ments of, 368. 
Thought-associates, 376; mental re-ac¬ 
tions on, 381. 
Thought-attendants, thought-elements 
versus. 374. 
Thought, different analyses of, 365. 
Thought-elements, primary or essential, 
374: associate, 375; versus 
thought-attendants, 374. 
Thought-reality, 376. 
Thought-symbols, 360. 
Thought-untruth, 381. 
Thrasher, brown, 619. 
