i6. Guide to the Insects of Connecticut : prepared under the 

 direction of Wilton Everett Britton. Part I. General Introduc- 

 tion: by Wilton Everett Britton. Part II. The Euplexoptera 

 and Orthoptera of Connecticut: by Benjamin Hovey Walden. 



17. Fourth Biennial Report of the Commissioners of the 

 State Geological and Natural History Survey, 1909- 1910. 



Bulletins i, 9, 12, and 17 are merely adimnistrative reports, 

 containing no scientific matter. The other bulletins may be classi- 

 fied as follows: 



Geology: Bulletins 4, 6, 7, 8, 13. 



Botany: Bulletins 3, 5, 10, 11, 14, 15. 



Zoology: Bulletins 2, 16. ^ 



These bulletins are sold and otherwise distributed by the 

 State Librarian. Postage, when bulletins are sent by mail, is as 

 follows: No. I, $0.01; No. 2t ; No. 3!; No. 4, .06; No. 5, .03; 

 No. 6, .12; No. 7, .06; No. 8, .05 ; No. 9, .02; No. 10, .08; No. 11, 

 07; No. 12, .02; No. 13, .08; No. 14, .15; No. 15, .06; No. 16, .07; 

 No. 17, .02. The prices when the bulletins are sold are as follows 

 (including postage) : No. i, $0.05 ; No. 2t ; No. 3t ; No. 4, .30; 

 N0.5, .15 ; No. 6, .50; No. 7, .60* ; No. 8, .20; No. 9, .05 ; No. 10, 

 .35; No. II, .30; No. 12, .05; No. 13. .40; No. 14, .75; No. 15, .35; 

 No. 16, .35; No. 17, .05. , 



Bulletins 1-5 are bound as Volume I. The price of this 

 volume is $1.50. Bulletins 6-12 are bound as Volume II. The 

 price of this volume is $2.45. Bulletins 13-.15 are bound as Vol- 

 ume III. The price of this volume is $2.50. Other volumes will 

 follow. 



It is intended to follow a liberal policy in gratuitously dis- 

 tributing these publications to public libraries, colleges, and 

 scientific institutions, and to scientific men, teachers, and others 

 who require particular bulletins for their work, especially to 

 those who are citizens of Connecticut. 



Applications or inquiries should be addressed to 



George S. Godard, 

 t State Librarian, 



Hartford, Conn. 



* If map is mounted as a wall map, and sent by express, $i.6o. 



t Bulletins Nos. 2 and 3 are out of print and can be furnished only as volume i. 



