660 



IN UFA. 



Spatangoids, Investigating the Life-history 

 of the Sporozoa of, 308 



— Sporozoa of, 379 

 Spawning' of Black Bass, 155 

 Special Meeting, 199 



Species. Distribution of, 135 



— Origin of, 135 



Spectroscope, Simple Form of, 227 

 Spencer Cylindrical Bibbon-carrier, 80 



Lens < o.. New Rotary Microtome, 76 

 Spermatocytes of Earwig, Mitotic Spindle 

 in, 470 



— of Forficnht auricularia, Studying 



the Mitotic Spindle in. 306 

 Spermatogenesis in Domestic Chicken, 

 451 



— in Marsilia, 48 



— in Mnium, 593 



— of Mole Cricket, 57o 



— of Paludina vivipant. Cells with Double 



Nuclei in, 246 

 Spermatozoa, Cluster Formation of. 341 



— from Single Testes, Size Dimorphism in. 



451 



— Relation of, to Electrolytes, 450 

 Spermatozoon. Entrance of. into the Ei;g. 



448 

 Sphagnum in Sweden, 490 



— Modified by Cold Water, 596 



— Vegetative Reproduction of, 495 

 Spider, Life-cycle of a, 145 

 Spiders, Olfactory Sense in, 138 



— Scottish. 479 



Spillman, L., Bacteriology of Gas Gan- 

 grene, 174 



Spina Bifida. Artificial Production of, in 

 Frog, 455 



Spinal Cord of Frog, 472 



Spinks, G. T., Plant Diseases, 505 



Spirochseta gallinarum. Resistance of Fowl 

 to Infection with, 399 



Spirochetosis of the Bovine Hsemoglo- 

 binuria of Chile, 65 



Spiruridse, Structure of Female Genital 

 Apparatus in, 148 



Sponges. Gemmules of. 487 



— Lake Baikal, 152 



— New, 152 



— of the Coasts of Ireland, 584 



— Spain, 376 



— Symbiotic. 264 

 Spores. Longevity of, 286 

 Sporophores, Abortive, of Wood -destroying 



Fungi. 286 

 >porozoa of Canadian Fishes, 380 



— of Spatangoids. 379 



Investigating the Life-history of, 



308 

 Sprue, Bacillus Isolated from a Case of. 



291 

 Squalus acanthias, Development of Rectal 



Gland of, 344 

 Squirrels. Penis-bone in. 353 



Stadtmiiller, Fr., Scleral Cartilage of 

 Urodela, 134 



Stage, Water-heated, 1st 

 Stagmospora catsavx, '< tl - 

 Stainiug .Methods, New. for Blood Smears. 

 516 



— Parasitic Amoebae, Method of, 81 



- Vital, witli the Free Base of Neutral 

 Red, 408 

 Stalactites, Algse, in Bermuda, 386 

 Stands. See Contents 

 Starch in Bryophytes, 160 

 Starfish, Axial Cradients in Early De- 

 velopment, 186 



— Common. Development of, 39 



— Larva, Double Hydroccele of. 485 



— Variability in Rays of, 149 



Starkey, C. B., Cytology of Zijgnemn eri- 



cetorum, 603 

 Stassano, II., New Method of Sterilizing 



P>acterial Cultures, 407 

 Stead, J. E., Detection of Burning in Steel. 



51S 



— Iron, Carbon, and Pho»phorus, 517 

 -Swift's Sideros Metallurgical Micro- 

 scope, 178 



Steel Axle, Internal Fissure in, 519 



— Bars, Lack of Uniformity in, 519 



— Castings. Structure of, 196 



— Coalescence in, 309 



— Detection of Burning in, 518 



— Honeycombing in, 196 



— Manganese, 196 



— Nitrogen in. 84 



— Slag Inclusions in, 197, 310 



— Sulphides in. 519 



— Theory of Hardening and Constitution 



of. 85 

 Steel-wire. Heat-treatment of, 85 

 Steels, Boron, 196 



— Decarburization of, in Salt Baths. 85 

 Steil, W. N., Apogany in Neprodium 



Mrtipes, 27r> 

 Stellwaag, F, Mechanism of Flight in 



Lamellicorns, 30 

 Stenurothrip* succineus g. et sp. n.. 30 

 Stephani, F., Australasian Hepaticae. 163 

 Stephens. J., Sponges of the Coasts of 



Ireland, 584 

 Stephenson, J., Oligochaeta from Northern 



India, 147 

 Sterility in Drosuphila ampelophila, 358 

 Sterilizing Bacterial Cultures, New .Me- 

 thod, 407 

 Stevenson, A. C, Klossiella muri*, 190 

 Stewart, F. O, Uredineas, 391 

 Stewart, F. H.. Structure of New- Poly- 



stomum. 257 

 Stiasny, G., Development of Balanoglossus 



clavigeru*, 3S 



— Marine Plankton, 280 

 Stick Insect. Indian, Male, 477 

 Stirton. J.. Mosses of West Highland.-. 278 



