CONTENTS. Vii 
Page 
americana). By P. L. Scuater, M.A., Ph.D., F.R.S., Secretary to 
the Zoological Society of London..........-2...sscsssccescscseceeescaereeeses 401 
LIT. On the Existence of Hyalonema in a Fossil State. By Prof. 
RS MIRO EOE VICHTIAY oo. c ss, cote sees stat ccah soustonddeens idee shandangedet eames 404 
LIII. Notule Lichenologice. No. XI. By the Rev. W. A. 
LerenTon, B.A., F.L.S.—On the Examination and Rearrangement 
of the Cladoniei, as tested by Hydrate of Potash ...............eeeseeee 405 
LIV. On Ophiodes, a new Genus of Hydroida. By the Rev. 
THOMAS HONGKS; B.A. (Plate kul Vis) cis cspiciccescicides-accnedsSaeraleinctenct 421 
New Book:—Annuario della Societa dei Naturalisti in Modena. 
Aono lee Modena Marcio LS6672. 55: -sscvsacs.-ccssscrecseccnareress=s 423 
Notes on the Capture of a Rare Fish (Ausonia Cuvieri) at Falmouth, 
by Dr. W. K. Bullmore and Jonathan Couch; Additions to the 
Zoophytes of Devonshire, by Edward Parfitt; Onthe Use of the 
Genus Potamogale, by Dr. J. E. Gray, F.R.S. &e.; Note on 
West-African Species of Hemirhamphus, by Dr. A. Gunther ; On 
the Organs of Secretion in the Hemiptera, by J. Kiinckel; Fos- 
sil Spider from the Coal-Formation, by Dr. F. Roemer; On the 
Course followed by a Fungous Mycelium in the living Trunk of 
Menem acnlogin, Dy G. GAaSparrini... 5-2. <c sede: senbe sdeesne 424—428 
NUMBER CVIII. 
LV. On the Structure and Habits of Anthophysa Miilleri, Bory, 
one of the Sedentary Monadiform Protozoa. By H. Jamres-Ciark, 
PM MeN Neots te enanm nage ro wieciee cess ecur cs’ secsusdeate nes «cde a medsamedets Shay 429 
LVI. On two European Argulide, with Remarks on the Morphology 
of the Argulide and their Systematic Position, together with a Review 
of the Species of the Family at present known. By T.THore tt ... 436 
LVII. A List of Spiders captured in the South-east Region of 
Equatorial Africa; with Descriptions of such Species as appear to be 
new to Arachnologists. By JoHn BLAcKWALL, F.L.S. .............4. 451 
LVIII. Additional Note on the Antilocapride. By Dr. J. E. Gray, 
PRGS, Qe. cesensccensase NAEP Rasa cic nce Coe Oe eee Ree Sametcleaec er eeeke 468 
LIX. On the Vision of Fishes and Amphibia. By FEL1x PLatgeau 469 
LX. Description of a new Siluroid Fish from Ceylon. By Dr. 
em GUN FIRES Py PIG OX Viele raencccesoccas senckt~achdoctucasseee dees 473 
LXI. On an Upper Incisor of Nototherium Mitchellii. By Prof. 
LOWEN ge Ras ster Olatea Xe, itis: se cteteteree cess Reeeeteee Pecaswensece 475 
LXII. Notes on Spherion and Mallocera. By Francis P. 
Pascok, F.L.S., F.Z.S., late Pres. Ent. Soc.; 8&0. i:.....ccccccescscoecees 477 
LXIII. Notes on Dr. Bowerbank’s Paper on Hyalonema. By Dr. 
eRe ARN oy EU, MOGs de konca castes fia a saehWosvsesastaveseseatenssccaes 485 
LXIV. Venus’s Flower-basket (Euplectella speciosa). By Dr. J. 
GireAcwe WAR: O anki aidvo caaeneceate ate We lames cas vacclecaeeece aaeatuccesaliscdeeseabs.s 487 
