CONTENTS. Vv 
Page 
Powers, by Messrs. Smith, Beck, and Beck; Observations on 
some Lepidosirens (Protopterus annectens, Owen) which have 
lived in the Menagerie of Reptiles in Paris, and formed their 
Cocoon there, by A. Duméril  .....ssecesseeeereseeceersensenes 152—160 
NUMBER XCIX. 
XIX. On the Asexual Reproduction of Cecidomyide Larve. By 
Dr he muUcmARtT | (Plate L,)) (ceseerevsseoncencrsseccadegessasassiqeaear 161 
XX. Notice of Torynocrinus and other new and little-known Fossils 
from the Upper Greensand of Hunstanton, commonly called the 
Hunstanton Red Rock. By Harry SEExey, Esq., F.G.S. ......... 173 
XXI. Notule Lichenologice. No. HI. By the Rev. W. A. 
TIRTGH TON Dele, Dclusy erenasccsseessscaelec-bonscaecssaqasseedsessseseancen 183 
XXII. Contributions to an Insect Fauna of the Amazons Valley. 
CoLEopTERA: Loncicornges. By H. W. Bates, Esq. ..........+. 191 
XXIII. Conchological Gleanings. By Dr. E. von Martens ... 202 
XXIV. On Phthiriasis, and on the Structure of the Mouth in 
Pediculus. By Professor J. C. SCHIODTE ...+ee.ssseeeeeseneeneescetenees 213 
XXV. On the Tubulation of the Valves of Rhynchopora Geinitziana, 
De Verneuil. By Professor W. KING  ...ssssesessesecseeeenccecneeeeneees 230 
New Books :—Catalogue of the Coleopterous Insects of the Canaries 
in the Collection of the British Museum, by T. Vernon Wollaston, 
M.A., F.L.S.—Coleoptera Atlantidum ; bemg an Enumeration 
of the Coleopterous Insects of the Madeiras, Salvages, and Cana- 
ries, by T. Vernon Wollaston, M.A., F.L.S.  ..scccseseseeseeeneeeees 233 
Naturalization of Zosterops dorsalis in New Zealand, by Dr. J. E. 
Gray, F.R.S. &e.; The Boar Fish (Capros aper), by Dr. J. E. 
Gray, F.R.S. &e.; On the Occurrence of Paludicella Ehrenbergi 
in Shropshire, by the Rev. W. Houghton ; General Considerations 
on the Circulation of the Lower Animals, by M. Lacaze-Duthiers 
237, 238 
NUMBER C. 
XXVI. On Germination at different Degrees of Constant Tempera- 
ture. By M. ALPH. DE CANDOLLE. (Plate IV.) ........00+ ss aati 241 
XXVII. On the Menispermacee. By Joun Mrers, F.RS., F.L.S. 
Qe eaten ae canara ahaa ener etwas accra danaea ss terssess madaiempaianenvedceeswensni 265 
XXVIII. Notule Lichenologice. No. IV. By the Rev. W. A. 
