vi CONTENTS. 
Page 
LercuTon, B.A., F.L.S.—Prof. Gibelli on the Reproductive Organs 
OLMEDO VETLTUCUT1 Oita ciicnnepiscaasen casas sc tosessecten descecaneae nec ctewote ene eeeee 270 
XXIX. On the Pleistocene Fossils collected by Col. E. Jewett at 
Sta. Barbara (California); with Descriptions of new Species. By 
Paviie PACsnPeNTER, B.A., Ph.D). ...0.0+ssoceeseeeeane b ithigiccsGbinwmaine 274 
XXX. On the Float of the lanihine. By Dr. H. Lacazs- 
DUMPED RS rec occ coc seco cdeccesecect ae seleecesemsnanaacenecate Semen en coeecaee 278 
XXXI. Descriptions of some new Species of Diurnal Lepidoptera 
in the Collection of the British Museum. By A. G. Bur.er, F.Z.S., 
Assistant, Zoological Department, British Museum  ...........seeeeeeeee 285 
XXXII. Some Account of a new Species of Fern (Polystichum 
Maderense) recently discovered in the Island of Madeira. By James 
NOAH OEINS ONG COL MeL stuscacneidececisceccenansiecserse aes hsee tants 287 
XXXIILI. Contributions to an Insect Fauna of the Amazons Valley. 
CoLrorTERA: Loncicornes. By H. W. BATss, Esq. ........... 288 
XXXIV. Additional Observations on Ziphiorrhynchus. By Dr. 
H. Burmeister. (Plate VI.) ...... atlesentoanile ceecaomnaassins cocaeen sie 303 
XXXV. On Rhynchonella Geinitziana. By W. B. CARPENTER, 
AVES Hass, Pe 1s1S gE Gr Se. gncees rca sescas nevinscascmeacsiss acseienaeaeaenme 306 
XXXVI. Notes on some Peculiarities in the Eye of the Mackerel. 
By Roserr Dyce, M.D., F.R.S. Edin., Professor of Midwifery, 
University of Aberdeen. (Plate VIL.) ....csssssssesseseeeeeeseneeeeerene 307 
Note on the Genera Amphipeplea and Assiminea, by J. Gwyn Jeffreys, 
Esq., F.R.S.; On the Existence of a Third Membrane in the 
Anther, by A. Chatin; New Fishes from the Iberian Peninsula, 
and from South America, by Dr. Steindachner; The White- 
beaked Bottlenose ; Domesticated Whales ; Capture of a Ribbon- 
fish; Note on the Genus Chevreulius of Lacaze-Duthiers, by 
Dr. O. A. L. Moérch; On the Functions of the Air-cells, and the 
Mechanism of Respiration, in Birds, by Dr. Drosier; On the 
Organs of Parturition in the Kangaroos, by Edmond Alix; 
Descriptions of Twenty-one new Fishes from Port Jackson, and 
One from Port Natal, by Dr. F. Stemdachner; On the probable 
Existence of Accessory Eyes in a Fish, by Prof. R. Leuckart 
; 309—320 
NUMBER CI. 
XXXVII. An Epitome of the Evidence that Pterodactyles are not 
Reptiles, but a new Subclass of Vertebrate Animals allied to Birds 
(Saurornia). By Harry SEELEY, Esq., F.G.S. ......seseeeeeeeeeeenees 321 
XXXVIII. On the Developmental History of the Nematode Worms. 
By RupoLeH LEUCKART  «eeeeeseeeeeeee peeeiiae wieclnshiss .ssshitdnitles omer R ee = 331 
