. The Biological bulletin. Biology; Zoology; Marine biology. BIOLOGICAL BULLETIN flDarine Biological %aboraton> WOODS HOLL, MASS. Vol. XIII November, 1907 No. 6 CONTENTS Page D. D. Whitney. Artificial Removal of the Green Bodies of Hydra Viridis 291 N. Yatsu. A Note on the Adaptive Sig- nificance of the Sperm-head in Cerebratulus 300 Thomas H. Montgomery, Jr. On Parthenogenesis in Spiders 302 S. J. Holmes. Rhythmical Activity in Infu- soria 306 D. H. Tennent. _ Further Studies on the Par- thenogenetic Development of the Starfish Egg 309 Fernandus Payne. The Reactions of the Blind Pish, Ambl


. The Biological bulletin. Biology; Zoology; Marine biology. BIOLOGICAL BULLETIN flDarine Biological %aboraton> WOODS HOLL, MASS. Vol. XIII November, 1907 No. 6 CONTENTS Page D. D. Whitney. Artificial Removal of the Green Bodies of Hydra Viridis 291 N. Yatsu. A Note on the Adaptive Sig- nificance of the Sperm-head in Cerebratulus 300 Thomas H. Montgomery, Jr. On Parthenogenesis in Spiders 302 S. J. Holmes. Rhythmical Activity in Infu- soria 306 D. H. Tennent. _ Further Studies on the Par- thenogenetic Development of the Starfish Egg 309 Fernandus Payne. The Reactions of the Blind Pish, Amblybpsis spelaeus, to Light 317 S. W. Williston. The Antennce of Diptera ; A Study in Phytogeny 324 C. H. Turner. Do Ants Form Practical Judge- ments? 333 Julian Mast Wolfsohn. The Causation of Maturation in the Eggs of Limpets by Chemical Means 345 Published Monthly by the MARINE BIOLOGICAL LABORATORY PRINTED AND ISSUED BY THE NEW ERA PRINTING COMPANY LANCASTER, PA. Agent for Great Britain Agent for Germany WILLIAM WESLEY & SON 28 Essex Street, Strand London, W. C. R. FRIEDLANDER & SOHN Berlin, N. W. Carlstrasse, 11 Agent for France LIBRAIRIE ALBERT SCHULZ j> Place de la Sorbonne Paris, France. Single Numbers, 75 Cents. Per Volume (6 numbers), $ Entered October 10,1902, at Lancaster, Pa., as second-class matter, under Act of Congress of July 16, Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Lillie, Frank Rattray, 1870-1947; Moore, Carl Richard, 1892-; Redfield, Alfred Clarence, 1890-; Marine Biological Laboratory (Woods Hole, Mass. ); Marine Biological Laboratory (Woods Hole, Mass. ). Annual report; HighWire Press. Lancaster, Pa. [etc. ] : Lancaster Press, inc. [etc. ]


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Keywords: ., bookcentury1800, bookdecade1890, booksubjectb, booksubjectzoology