CONTENTS,° Vv 
Page 
Proceedings of the Royal Society; Zoological Society ......... 173—185 
Note on Physa acuta (Draparnaud), by the Rev. Alfred Merle Nor- 
man, M.A.; On the Reproduction of Porpita, by M. Lacaze 
Duthiers; On some Points in the Anatomy of the Apteryx 
australis, by Prof. Hyrtl; On a gigantic Cuttle-fish found in the 
Atlantic Ocean between Madeira and Teneriffe ............ 185—188 
NUMBER LI. 
XIX. On an apparently new Form of Holothuria. By Joun 
ANDERSON, M.D... (Plate XL): : cccscccccesssvasdoonsedccstansdecsnede aneek 189 
XX. Remarks on the Natural Order Bignoniacee. By BERTHOLD 
SEEMANN, PhiDiy-EsL.S, cccovcescscevedssvcveews aecdedddlcccsvette Vivitadetedeve 192 
XXI. Note on the Relationship of Cannabinacee. By BErTHOLD 
SHEMUANING Et eor dr els Sock. coca da soargealsaaaiccistienisceisstcende seenickacosienacaese 199 
XXII. A Catalogue of the Zoophytes of South Devon and South 
Cornwall. By the Rev. Taomas Hincxs, B.A. (Plate XII.) ...... 200 
XXIII. On the Fibrin and Latex of Vegetables, and on the Coagu- 
lation of Fibrin without Evolution of Ammonia. By GrorGE GuL- 
LIVER, F.R.S., Professor of Comparative Anatomy and Physiology to 
the Royal College of Surgeons .....cscssescssesarcetsanveces Age cepidesedccene 207 
XXIV. On the Investigation of Microscopic Forms by means of 
the Images which they furnish of External Objects. By Prof. O. N. 
OGD; OF Troy, Ns Y.. sconces sastedzessonasaese Sadan shen seen dade men yeccdecsecaes 211 
XXV. On Aiztoxicum and Bursinopetalum. By Joun MIERs, 
PE Feg og) Ba, OCC sc aeuanleonscaveusacecnencs sesh sesdsetsssesunesatenasebsenseasas 214 
XXVI. On some new Species of Acephalous Mollusca from the Sea 
of Japan. By ArrHur Apams, F.L.S, &e, «0.00... Seadessedecesvsedenes 223 
XXVII. On Vision in the Arthropoda. By Dr. H. Dor .«........ 230 
Proceedings of the Royal Society; Zoological Society ......... 236—255 
On some small Pits with which the Scales of certain Ophidia are 
adorned, by J. Reimhardt; Note on Callithamnion Rothii, by G. 
S. Brady; Vitality of the Seed of Fumaria muralis (Sonder) and 
Hyoscyamus niger (L.), by the Rev. Alfred Merle Norman, M.A.; 
Highly interesting Discovery of new Sauroid Remains; Disco- 
very of Saurian Remains in the Keuper of the Jura; On the 
general conditions of the Avicula contorta Beds, and on the con- 
stitution of the Infra-Liassic stage, by Ant. Stoppani; Note on 
Codium bursa, by Dr. J. E. Gray, F.R.S. &c.; Capture of Diodon 
pennatum on the coast near Charmouth .........sse0e sesseee 209—260 
