CONTENTS. V 



No. 4. July, 1900. 



PAGES 



I. CHAS. B. WILSON. 



Our North American EcJiiurids 163-178 



II. JAMES G. NEEDHAM. 



Sonic General Featiires of the Metamorphosis 

 of the Flag Weevil Mononyclins Vulpcculus 

 Fabr. 179-191 



III. C. C. LEMON. 



Notes on the Physiology of Regeneration of 



Parts in Planaria Macnlata 193-204 



IV. JOSEPHINE HEMENWAY. 



The Structure of the Eye of Scutigcra (Cer- 



matid) Forceps 205213 



No. 5. August, 1900. 



I. C. M. CHILD. 



Abnormalities in the Cestode Moniezia Ex- 



pansa. I. 215-250 



II. AUGUSTA RUCKER. 



A Description of the Male of Peripatus 



Eisenii Wheeler 251-259 



No. 6. -- September, 1900. 



I. C. M. CHILD. 



Abnormalities in the Cestode Moniezia Ex- 



pansa. II. 261-290 



II. CARRIE M. ALLEN. 



A Contribution to the Development of Pary- 



pha Crocea 2 9 I ~3 I 5 



