vi CONTENTS. 
Page 
XXXIII. On the genera Spirulina and Coleochete. By Joun 
Ratrs, Esq., M.R.C.S., Penzance. (With a Plate.) ......ccsseesssesoers 308 
XXXIV. Notice of a new genus and several new species of Nudi- 
branchiate Mollusca. By Josuva Auper and ALsany Hancock, Esqrs. 311 
XXXV. Descriptions of some new genera and species of Hetero- 
merous Coleoptera. By G. R. WATERHOUSE, Esq. .........ceeecesesecenes 317 
XXXVI. On several new species of Crustaceans allied to Saphirina. 
By Harry D. S. Goopstr, M.W.S., late Conservator of the Museum 
of the Roy. Coll. Surg. Edinburgh, Assist. Surg. in H.M. Arctic Ex- 
ploring, Ship.Erebus: ((With.aElate:), Sacncssc-vennnanspaneacneanes cameras 326 
XXXVII. On the Fructification of the genera Clathrus and Phallus. 
By VAURICE LESETAUID ...1<.ccencacansnasees anaes Bey edandses 22 t oderct 327 
XXXVIII. Journey through Java, descriptive of its Topography 
and Natural History. By Dr. Fr. JuNGHUHN ......cccscseneeseoeeess er 
Proceedings of the Zoological Suciety ; Microscopical Society ... 382—347 
On a Fish allied to Lepidosiren annectens; On the African Musk, 
Moschus aquaticus, Ogilby; Occurrence of Aquila nevia in Ire- 
land; On Mounting Minute Algz for the Microscope; On the 
Discovery of a Fossil Frog and Butterfly in the Gypsum Deposits 
of Aix, by M. Coquand; On a curious appearance presented by 
the contents of the Capsules of a Moss from Chili, extracted from a 
Letter to the Rev. M. J. Berkeley, by Dr. Montagne ; M. Agassiz 
on the Geological Development of Animal Life; Explorations of 
Dr. Schrenk; Descriptions of three new species of Bivalve Shells 
rof the genera Cytherea and Venus, by Sylvanus Hanley, Esq. ; On 
the Disease of Potatoes, by Prof. Kiitzing ; On the Larus capistra- 
tus, Temm.; Meteorological Observations and Table ...... 348—360 
NUMBER CVII. 
XXXIX. Remarks on some forms of Rubus. By T. Brevi Satter, 
IMD Satie bia Cro ccenehecaciacsvivescanevas Seereeease dononpaccosacasenctioassicc 386) 
XL. Notice of the Foetus of Zygena laticeps, Cantor. By Dr, Can- 
Tor, Civil Surgeon, Prince of Wales Island ............ccsssesssecseecsens Sen Ole 
XLI. On the Dissolution and Re-calcification of the Shell in Cyprea, 
a genus of Pectinibranchiate Mollusca. By Lovett Resve, A.L.S. &e. 374 
XLII. Researches on the Primary Modifications of Organic Matter, 
and on the Formation of Cells. By M. Coste ...cccscscscecseesesesees 377 
XLIII. Anatomical and Physiological Observations on some Zo- 
ophytes. By Joun Rep, M.D., F.R.C.P.E., and Chandos Professor 
of Anatomy and Medicine in the University of St. Andrews. (With a 
Plate.) ...ccoscvcsscessescasonsrscceceseressesssscceccescssevcsrseees Ameo eee EnG ace 385 
XLIV. Observations on the Spongiade, with descriptions of some 
new genera. By J. S. Bowersann, F.R.S., LS. &c. (With two 
PIAteS.))..ccceveeerenccecnersiserevesenese reeves vee sie bo sratelaletardien sieierchetslaisrenieiatercistentess 400 
