CONTENTS OF NUMBER 45.—Fifth Series. 
: | Page 
_ XIX. On the Penwidea. By C. Spzunce Barz, F.RS. &. 
(Plates ka XL.) le eae Talli ise Gs ls'a's'n eine ele Aen rr 
XX. Notes on Longicorn Coleoptera.—Revision of the Aré- ( 
nicides and Amphionychides of Tropical America. By H. W. se: ney 
308) iS iae e Poey S ep e e tec 14 ae Sk (196. 
XXI. On a Collection of Crustacea made by Baron Hermann- — 
Maltzam at Goree Island, Senegambia. By Epwarp J. Mimrs, F.L8., | 
BZ. gn ee eee Oe ER a ee ee 204 
XXII. Remarks upon Mr. Wood- Mason’s Paper “On the Discri- — 3 
minaticn of the Sexes in the Genus Paludina.” By Ge A. Suir 220 
XXIII. On Spongiophaga in Spongilla. By H. J. Carrer, BRS. 42 
PROCEEDINGS OF LEARNED SOCIETIES. 
Dublin Microscopical:Club (2... sv. es oe ee ener 229-235 
MISCELLANEOUS. 
Observations on Stredon lichenoides. By Wittram E. Cartin...... 235 
On the Nature of Dictyophyton. By R. P. WHITFIELD............ 237 | 
Note on the Structure of a Specimen of Uphantcema from the Collec- 
tion of the American Museum of Natural ee New York 
City: «. By Dr.WJ. Wi Dawson oc 280s: eA ees we . 
Mortality of Fish in the Gulf of Mexico........-1 Aeanage ahs 238 
Rhizopods the Food of some young Fishes ...................- 240 : 
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