iv CONTENTS. 
Page 
XI. Observations on some of the Heliotropiee. By Joun Miers, 
Te) RoSty Lael tis bared Ch again aaa Cs are Amer tion ces rc oc» | 121 
XIL. On Phidiana lynceus and Ismaila monstrosa. By Dr. Rup. 
eernGr.) (Plate 1.) jos ces can cee ajaunljes cxn o-oo in alarmed 133 
XII. On Spirifer cuspidatus. By Dr. Witu1aM B. Carpenter. 188 
XIV. On some new Species of Diurnal Lepidoptera from South 
America. By Ospert Savin, M.A., F.LS., &e., and F. Du Cane 
Govan, BUS: Ge. is ees aces pao ee ore cbgislene oe lea nel 141 
New Books :—Pyinciples of Geology, or the Modern Changes of the 
Earth and its Inhabitants considered as illustrative of Geology, 
by Sir Charles Lyell, Bart., M.A., F.R.S.—Siluria. A History 
of the Oldest Rocks in the British Isles and other Countries; 
with Sketches of the Origin and Distribution of Native Gold, 
the General Succession of Geological Formations, and Changes 
of the Earth’s Surface, by Sir R. I. Murchison, Bart., K.C.B., 
&e. &e. &e.—Acadian Geology: the Geological Structure, Or- 
ganic Remains, and Mineral Resources of Nova Scotia, New 
Brunswick, and Prince Edward Island, by J. W. Dawson, M.A., 
TD EG SCs RCo Bia eon ak asi 'ep ase Senndhahern ten eee Dee aa stg oN 152-159 
Preceedimps of the RoyaliSoclety . <0 «re. 00. cc's scion Wostewtere oss 159 
Note on the Existence of a large Pelican in the Turbaries of England, 
by A. Milne-Edwards; On Oliva auricularia, Lam., O. aquatilis, 
Reeve, and O. auricularia, D’Orb., by F. P. Marrat ; On a Vivi- 
parous Sea-Urchin, by Dr. E. Grube; Note on the Anatomy of 
Pontobdella verrucata (Leach), by L. Vaillant; Considerations 
upon the fixation of the Limits between the Species and the 
Variety, founded upon the study of the European and Medi- 
terranean Species of the Hymenopterous Genus Polistes (Latr.), 
by M. Sichel; On a new Species of Chirogalus from the West 
Coast of Madagascar, by M. A. Grandidier ............ 165—172 
NUMBER IX. 
XY. On the British Species of Alpheus, Typton, and Axius, and on 
Alpheus Edwardsti of Audouin. By the Rey. A. M. Norman, M.A. 178 
_ XVI. Contributions to the Study of the Entomostraca. By 
GEORGE STrEwaRDsoN Brapy, C.M.Z.S. &e. No. II. Marine 
Ostracoda from the Mauritius. (Plates XII. & XIII.) .......... 178 
XVU. On the existence of Capillary Arterial Vessels in Insects. 
By JuLes KuncKen 
XVII. On Arunea lobata, Pallas (A. sericea, Oliv.). By T. 
AROMAT Sosa c slals lsivlaaiclas talaeeate etn REE: AEE ns earn a ee 186 
XIX. Observations on some of the Heliotropiee. By Joun Miers, 
Bytes Belg Cn. 5 axiciciss of tart ee eee eee a mee na 191 
XX. On a point relating to the Histology of Rhynchonella. B 
Professor W. Kine...... an ad hs co oe cai es ‘ a kK! 204 
