Transactions of the Linnean Society of London/Volume 20

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THE

TRANSACTIONS

OF

THE LINNEAN SOCIETY

OF

LONDON




VOLUME XX.



Coat of arms of the Linnean Society of London-renewed.png


LONDON:

PRINTED BY RICHARD TAYLOR, RED LION COURT, FLEET STREET:


SOLD AT THE SOCIETY'S HOUSE, SOHO-SQUARE;

AND BY LONGMAN, BROWN, GREEN AND LONGMANS, PATERNOSTER-ROW;

AND WILLIAM WOOD, TAVISTOCK-STREET, COVENT-GARDEN.




MDCCCLI.

C O N T E N T S.





PART I.—1846

I. On the Development of the Ovulum in Avicennia. By the late William Griffith, Esq., F.L.S. &c. Communicated by R. H. Solly, Esq., F.R.S., F.L.S. &c page 1

II. Some Observations upon the Structure of two new Species of Hectocotyle, parasitic upon Tremoctopus violaceus, D. Ch., and Argonauta Argo, Linn. ; with an Exposition of the Hypothesis that these Hectocotylae are the Males of the Cephalopoda upon which they are found. By A. Kolliker, Professor of Physiology and Comparative Anatomy in the Uni- versity of Zurich. Communicated by Robert Brown, Esq., V.P.L.S. &c 9

III. Descriptions of some unpublished Species of Plants from North-Western India. By M. Pakenham Edgeworth, Esq., F.L.S., Bengal Civil Service 23

IV. On the Indian Species of Balanophora, and on a new Genus of the Family Balanophoreae. By the late William Griffith, Esq., F.L.S. &c. 93

V. On Agaricus crinitus, Linn., and some allied Species. By the Rev, M. J. Berkeley, M.J., F.L.S. &c 109 VI. Caricis Species novce, vel minus cognitce. Auctore Francisco Boott, M.D., S.L.S. &c 115

VII. Remarks on the Examination of some Fossil JVoods, which tend to elucidate the Structure of certain Tissues in the recent Plant. By Edwin John Quekett, Esq., F.L.S. &c 149

VIII. Descriptions of Chalcidites. By Francis Walker, Esq., F.L.S. &c. 153

PART II.—1847.

IX. An Enumeration of the Plants of the Galapagos Archipelago ; with Descriptions of those which are new. By Joseph Dalton Hooker, Esq., M.D., F.L.S. S^c page 163

X. On the Vegetation of the Galapagos Archipelago, as compared with that of some other Tropical Islands and of the Continent of America. By Joseph Dalton Hooker, Esq., M.D., F.R.S., F.L.S. <^c. . . . 235

XI. On the Ainbrosinia ciliata of Roxburgh. By the late William Griffith, Esq., F.L.S. 8sc. Communicated hy R. H. Solly, Esq., F.R.S., F.L.S. &c. 263

XII. On the Aqueous Vapour expelled from Bee-hives. By George Newport, Esq., F.R.S., Fellow of the Royal College of Surgeons, Sfc. Communicated by the Secretary 277

XIII. Note on the Generation of Aphides. By George Newport, Esq., F.R.S., Fellow of the Royal College of Surgeons, &c. Communicated by the Secretary 281

XIV. Description of the Asafoetida Plant of Central Asia. By Hugh Falconer, M.D., F.L.S. &c 285

XV. Account Gamoplexis, an undescribed Genus of Orchideous Plants. By Hugh Falconer, M.D., F.L.S. &c 293

XVI. On the Natural History, Anatomy and Development of the Oil Beetle, Meloe, more especially of Meloe cicatricosus. Leach. By George Newport, F.R.S., F.L.S., Fellow of the Royal College of Surgeons, S^c. — First Memoir. The Natural History of Meloe 297

XVII. The Natural History, Anatomy, and Development Meloe {continued). By George Newport, Esq., F.R.S., F.L.S. 8(c. — Second Memoir. The History and General Anatomy of Meloe, and its Affinities, compared with those of the Strepsiptera and Anoplura, with reference to the connexion which exists between Structure, Function, and Instinct . .321

PART III.—1851.

XVIII. Note on Samara Iseta, Linn. By G. A. Walker-Arnott, Esq., LL.D.,F.L.S. &c., Regius Professor of Botany in the University of Glasgow page 359

XIX. On a new Genus of Plants of the Family of Burmanniaceae. By John Miers, Esq., F.R.S., F.L.S. &c 373

XX. On Jansonia, a new Genus of Leguminosse, from Western Australia. By Mr. Richard Kippist, Lihr. L.S. &c 383

XXI. On the Structure of the Ascidia and Stomata of Dischidia Rafflesiana, Wall. By the late William Griffith, Esq., F.L.S. <Sfc. Communicated by R. H. Solly, Esq., F.R.S., F.L.S. &c 387

XXII. On the Impregnation of Dischidia. By the late William Griffith, Esq., F.L.S. 8fc. Communicated by R. Brown, Esq., V.P.L.S. &c. . .391

XXIII. On Athalaraia, a new Genus of Marcliantiese. By Hugh Falconer, Esq., M.D., F.R.S., F.L.S., Superintendent of the Hon. East India Company s Botanic Garden at Calcutta, &c 397

XXIV. On the early Stages of Development of Lenianea fluviatilis, Agardh. By G. H. K. Thwaites, Esq., Lecturer on Botany and Vegetable Physiology at the Bristol Medical School. Communicated by the Rev. M. J. Berkeley, F.L.S. 399

XXV. On Meliantheae, a new Natural Order, proposed and defined by J. E. Planchon, Docteur-es-Sciences. Communicated by the Secretary . 403

XXVI. On the Formation and Use of the Air-sacs and Dilated Trachece in Insects. By George Newport, Esq., F.R.S., F.L.S. &c. . . .419

XXVII. On the Anatomy and Affinities of Pteronarcys regalis, Newm. : with a Postscript, containing Descriptions of some American Perlidse, together' with Notes on their Habits. By George Newport, Esq., F.R.S., F.L.S. &c 425 XXVIII. Descriptions of some new Species of Athyreus, a Genus of Lamellicorn Beetles. By J. O. Westwood, Esq., F.L.S. &c page 45H

XXIX. Some Account of an undescribed Fossil Fruit. By Robert Brown, Esq., D.C.L., F.R.S., V.P.L.S 469

XXX. Extracts from the Minute-Book of the Linnean Society of London 477

Catalogue of the Library of the Linnean Society 483

List of Donors to the Library of the Linnean Society 499

Donations to the Museum of the Linnean Society 505