é 
CONTENTS OF NUMBER 46,—Fifth Serie 
XXY. Contributions to our ue of the Spongide 
Comosa., By H...J. Canter, FORS Gees. ace cee Pa 
XXVI. On a Collection of Crustacea made by Baron Herm 
Maltzan at Goree Island, Senegambia. By Epnwarp J. Misr 
F.LS., F.Z.S8. (Plates XII. RU ee rnc ta PC crae a e a3 
XXVII. Dr. H. Apir’s Researches on the Altemating Gene 
of the Gall-flies of the Oak....... PAP Ore Mian me nt 3 2 
XXVIII. Note on Wagnerella borealis, a Brotozom, : 
M@EREsCH KOWSEY oo) 2rd oho oe Se eee 
XXIX, Notes on Longicorn Coleone) Re aGe of ths > Hire 
nicides and Se of Tropical America. By H. W. Bar 
E.R.S., F.LS. 
XXX. An Account of be Sphinges and Bombyces ‘Alloa b 
Lord Walsingham in North America during , the ‘Years 187 1 
By Anrruur G. Burrer, F.LS., F.Z.8., &e. Bree eh 0 
XXXI. Description of a new Species of the Genus Tilo a 
(Coleoptera, Cremastochilide). By Cuarius 0, WATERHOUSE . BS rsa 
BIBLIO GRAPHICAL NOTI CE. 
A Handbook of the Vertebrate Fauna of Yorkshire, being a Gui 
logue of British Mammals, Birds, Reptiles, Amphibians, and 
Fishes, showing what Species are or have, within Historical 
Periods, been found in the County. By W. Ears Co and 
W. Dzntsox Rorsuck 
eC ei ee en 
MISCELLANEOUS. ek 
On the Origin of the Ovum in the Hydroids. By M. A. a . 
VAREN NI OGI Or. os eae eee wis Les U CAPER IN aS nl I a Ree ie 
ba 
Biological Evolution of the phe ofthe Alder (Paci ani, Sabre 
By M. J. LicHtTEnstEIn: 
*.* It is requested that all Communications for this Work m 
post-paid, to the Care of Messrs. Taylor and Sang 
Red Lion Court, Fleet Street, London, ; 
