5 
INVERTEBRATA. 
Mollusca. 
y. Gastropoda. 
TAGE 
Poynter, C. W. M . — Effect of Ultra-violet Rays on Developing Limnxus . . .. 179 
Wheeler, G. C . — Phototropism of Land Snails 180 
Arthropoda. 
a. Insecta 
Zeleny, Charles — Mutations in Bar-eye Series of Drosophila melanogaster . . .. 180 
Wardle, R. A . — Protection against Blowflies 180 
Wheeler, W. M . — Beetles and Bugs in Tachigalia petioles 180 
„ — Tachigalia Ants 181 
Hein, S. A. Arendsen — Variation in Mealworm 181 
Gerould, John H. — Blue-green Caterpillars as a Mutation 181 
Dayidson, J . — Factors in Appearance of Winged and Sexual Aphides 182 
5. Araclinida. 
Crampton, Henry E. — Adaptive Modification of Spider's Web 188 
e. Crustacea. 
Lendblad, O . — Nutrition in Phyllopods 183 
Annulata. 
Hess, Walter N. — Earthworm's Beactions to Light 183 
Welch, Paul S . — Bifurcation in Embryos of Tubifex 183 
Bock, Sixten — Epithetosoma not a Gephyrean but a Nemertine 184 
Nematohelminthes. 
Walton, A. C . — Spermatogenesis of Ascar is felis 184 
Kofoid, C. A., & A. W. White — New Nematode Infection in Man 184 
Noc, F . — Blood Filaria of Goliath Heron 184 
Rotatoria. 
Cleave, H. J. Van — Constancy of Nuclei in Hydatina senta .. . 185 
Noyes, Bessie — Experimental Study of a Rotifer 185 
Echinoderma. 
Theel, Hjalmar — Amcebocytes of Holotliurians 185 
Ccelentera. 
Hickson, Sydney J. — New Alcyonium from Annam 186 
„ „ —Alcyonaria in Cambridge Museum 186 
Bedot, M . — Secondary Sex Characters in Plumularids .. 186 
Protozoa. 
Koehler, Adrienne — Chemical Composition of Spore-envelope in Nosema apis .. 186 
Poisson, R . — New Gregarine in Sand-hopper 186 
Keilin, D . — New Ciliate in Larvse of Stegomyia 186 
Ghosh, Ekendranath — Infusoria from Calcutta 187 
Ochoterena, Isaac — Trichomonas augusta 187 
