CONTENTS. v 
: ; Page 
Proceedings of the Zoological Society ; Entomological Society... 193—212 
Description of a new species of African Monkey ; Mexican Fossils; 
County of Down Fossil Infusoria ; Capture of Acipenser Huso; 
On the Cystidee, by Von Buch; On the Origin of Infusoria and 
Mucor; Meteorological Observations and Table ....... gs eubiagl 212—216 
NUMBER CY. 
XXII. On the Howling Monkeys (Mycetes, Illiger). By J. E. Grax, 
PRR ag Malena \CUGereeressesrcresners adebash ied Sb. posi das adh ok Bogda -Yidonn ee 217 
XXIII. Notes, &c. on the genera of Insects Oxystoma and Magdalis, 
By Joun WaAtTon, Esq., F.L.S.  ..ccsrerecccesesctedreesaeonaeceeacecscsnl eat22l 
XXIV. Descriptions of some apparently new species of Birds from 
Malacca. By T. C. Eyton, Esq., F.L.S._ ......... Sasaw de suedncwsnentaadone 2a 
XXYV. On the Glyceria fluitans and G. plicata, By Tuomas Moors, 
Esqiscineace Bho g-YdedauGee -Ipspaede 7 GUDE IEG ds. Dk bide 0 SHE bbe cele wewsNpet « 230 
XXVI. Descriptions of new or imperfectly described Diurnal Lepi- 
doptera. By Epwarp Dovstepay, Esq., Assistant in the Zoological 
Department of the British Museum, P.L.S. &. ...c.scceccseeeeeseeeveee en r2d2 
XXVI{. On the Surface of the Stem and Contents of the Medullary 
Cells of Nuphar lutea (Smith). By Junius MunTeR  ...... ee eee eeeeee 296 
XXVIII, Note on some Marine Animals, brought up by Deep-sea 
Dredging, during the Antaretie Voyage of Captain Sir James C. Ross, 
R.N. By Josern Datton Hooxer, M.D. ........00.2ssee0s cepuaeear sueeas OOS 
X XIX. Report on a memoir by M. P. Duchartre, entitled ‘ Obser- 
vations on the Organogeny of the Flower of the Malvacee.’ By MM. 
Bronenrant, Ricwarp and DE JuSStEU .ivecccesessseneees ec tt aoe = be 240 
XXX. Botanical Notices from Spain. By Moritz Wittkxomm .,. 218 
New Books :—A Monograph of the British Nudibranchiate Mollusca, 
with Figures of all the Species, by Joshua Alder and Albany 
YARCOE ~oesenco ans See a= ee eee Sages naa eecons saeeeer 252 
Proceedings of the Zoological Society ; Entomological Society... 253—279 
On the genus Saccopteryz of Mliger; On the Officinal Species of Pepper, 
by M. Miquel ;, Obituary :—Professor Graham of Edinburgh ; 
Dr. J. W. Meigen; Showers of Dust at Orkney; Rain during the 
present year; Meteorological Observations and Table ...... 279-—288 
NUMBER CVI. 
XXXI. Anatomical and Physiological Observations on Sagitta bi- 
punctata. “By M. A. Kronn. (With a Plate.) ............cceccsceesesees 289 
XXXII. Descriptions of new or imperfectly described Diurnal 
Lepidoptera. By Enwarp Dovutrepay, Esq., Assistant in the Zoolo- 
gical Department of the British Museum, F.L.S. &e. ......45. Side sud abe ds 304 
