CONTENTS OF VOL III. 



Nos. i AND 2. MAY AND JUNE, 1902 



PAGE 



HECTOR LEBRUN : Maturation of the Eggs of Diemyctilus torosus i 



WILLIAM HENRY LONG, JR.: New Species of Ceratopogon. 3 



WILLIAM H. ASHMEAD : A New Species of Diapriids from Texas 15 



AXEL LEONARD MELANDER : Two New Embiidce 16 - 



AXEL LEONARD MELANDER: The Nesting Habits of Anthidium.. 27 - 

 AXEL LEONARD MELANDER AND CHARLES THOMAS BRUES : New 



Species of Hymenoptera 33 



C. E. McCLUNG: The Accessory Chromosome-Sex Determinant ?. 43 

 R. M. STRONG : The Metallic Colors of Feathers from the Neck 



of the Domestic Pigeon 85 



WM. J. RICE: Studies in Earthworm Chloragogue 85 



No. 3. JULY, 1902 



C. M. CHILD : Abnormalities in the Cestode Moniezia expansa, III 95 i 



CHAS. C. ADAMS : Southeastern United States as a Center of Geo- 

 graphical Distribution of Flora and Fauna 115 



T. H. MORGAN: The Internal Influences that Determine the Rela- 

 tive Size of Double Structures in Planaria lugubris 132 



SHINKISHI HATAI : Preliminary Note on the Presence of a Neiv 

 Group of Neurones in the Dorsal Roots of the Spinal 

 Nerves of the White Rat 140 



No. 4. AUGUST, 1902 

 C. M. CHILD : Abnormalities in the Cestode Moniezia expansa, 



HI 143 



BENNET M. ALLEN : The Topography of Organs in Typical Seg- 

 ments of Him do 1 6 1 



A. W. GREELEY : The Artificial Production of Spores in Monas by 



a Reduction of the Temperature 165 



H. F. PERKINS : Degeneration Phenomena in the Larvce of Goni- 



onema 172 



No. 5. OCTOBER, 1902 

 W. M. WHEELER : An American Cerapachys, with Remarks on 



the Affinities of the Cerapachyincz 181 



iii 



