MR. WILLIAM PROCTOR, 



Sub-Curator of the University Museum, Durham, 



Has constantly on hand a large and valuable Collection of MOUNTED BIRDS, 

 SKINS, and EGGS, including many rare and valuable specimens from Iceland, 

 the North of Scotland, etc. 



The works of Mr. Hewdtson and the late Mr. Yarrell shew the high estimation 

 in which Mr. Proctor's specimens were held by those gentlemen. 



Now ready, Vol. I., in 8vo, with Fifteen Plates, comprising very numerous Figures, 



Price 30s., cloth, 



HANDBOOK OF ZOOLOGY. 



BY J. VAN DEE HOETEN, Phil. Nat. akd M.D., 

 Professor of Zoology in the University of Leyden, &c. 



Translated from the Second Dutch Edition (with additional References commu- 

 nicated by the Author) by the Eev. W. Clark, M.D., F.R.S., etc., late Fellow 

 of Trinity College, and Professor of Anatomy in the University of Cambridge. 



In Two Volumes. Vol. I. comprising Invertehrate Animals. 



LONDON: LONGMAN, BEOWN, GREEN. LONGMANS, & ROBERTS. 

 Every Saturday, Price One "Penny, 



THE ENTOMOLOGIST'S WEEKLY 

 INTELLIGENCES, 



With all the Latest News of all important captures, and indications what should 



be looked for each week. 



LONDON: W. KENT AND CO., 51 & 52, PATERNOSTER ROW. 



THE ENTOMOLOGIST'S INVINCIBLE 

 POSTAGE-BOX. 



To Entomologists desirous of exchanging Insects, these boxes are 

 indispensable. They will go through the Post for Sixpence, war- 

 ranted proof against the stamping of the Post-Office. 



Price per dozen, 10s. 6d.; a single Box Post Free for Is. 6d. in 

 Postage Stamps. 



Manufactured by John Bolt, Broad Street, BristoL 



