CONTENTS OF THIS NUMBER. 



Holland, W. J.— The Development of Entomology in 



North America . . . . , 1 



DuPoRTE, E. M. — The Muscular System of Gryllus 



assimilis Fab. (pennsylvanicus Burm.) 16 



Mann, Wm. M. — Ant Guests from Fiji and the British 



Solomon Islands 60 



Smith, R. C. — The Process of Hatching in Corydalis 



cornuta L 70 



Hayes, W. P., -^nd McColloch, J. W. — Some Observa- 

 tions on the Genitalia of Lachnosterna 75 



Ball, E. D. — A Preview of the Species of the Genus Gypona 

 occurring in North America north of Mexico (Homop- 

 tera) 83 



Herrick, Glenn W.— The Winter of 1918-19 and tha 

 Activities of Insects, with Special Reference to the 

 Clover Leaf Weevil (Hypera punctata Fab.) 101 



Metcalf, Z. p., and Osborn, Herbert — Some Observa- 

 tions on Insects of the Between-tide Zone of the North 

 Carolina Coast 108 



Spooner, C. S. — A Note on the Mouth Parts of the 



Aradidas 121 



Metcalf, C. L. — Minutes of the Annual Meeting 123 



Entomology in the U. S. National Museum 131 



Price List of Publications. 



Annals, Vols. I to XII, complete, each $3. 00 



Annals, Separate Parts, except as below, each 1 .00 



Annals, Vols. I and II, Part 3, each 50 



Annals, Vol. IV, Part 4, each 1 . 50 



BACK VOLUMES 



Of the Annals of tee Entomological Society of America may 

 be secured from the cfifice of the Managing Editor and new members 

 of the Society who may wish to complete a set are advised to secure 

 the earlier volumes while there is still a supply on hand and the price 

 is kept at the original subscription rate. 



Address Herbert Osborn, Managing Editor, 



Annals Entomological Society of America, 



State University, Columbus, Ohio. 



