PSYC 



A JOURNAL OF ENTOMOLOGY 



Established in 1874 



VOL. XIX 



APRIL, 1912 



NUMBER 2 



Prodryas persephone Scudder. 



CONTENTS 

 Four Burrowing Lycosa {Geolycosa Montg., Scaptocosa Banks) Including 



one New Species. J. H. Emerton , ...... 25 



Parabiosis in Brazilian Ants. W.M.Mann. ..... 36 



New Bees from Brazil. T. D. A. Cocker ell 41 



A New Sawfly from Brazil. S. A. Rohwer ...... 62 



A Peculiar New Crane-fly from Porto Rico. C. P. Alexander . . 63 



Observations on Micoutalis calva Say. Ignaz Matausch ... 66 



The Period of Incubation of Eggs of Samia cecropia. Phil Ran . . 69 



