SCIENTIFIC SOCIETIES. 239 
parts of the skeleton, comparing them with those of the A/luroids and 
Cynoids. 
Dr. F. H. H. Guillemard read the second part of his report on the 
collection of birds made during the voyage of the yacht ‘ Marchesa.’ The 
present paper gave an account of the birds collected in Borneo. It also 
cotained notes on some birds obtained on the island of Cagayan Sula, on 
the north-east coast of Borneo. 
May 5, 1885.—Prof. ALrrep Newton, F.R.S., Vice-President, in the 
chair. 
The Secretary read a report on the additions that had been made to 
the Society’s Menagerie during the month of April, and called special 
attention to a pair of Rhinoceroses, apparently referable to the Sumatran 
species, Rhinoceros sumatrensis ; to a Tibetan Wild Ass, Equus hemionus, 
received on deposit ; and to two Gouldian Grass Finches, Poéphila gouldia, 
presented by Mr. C. N. Rosenfeld. 
A communication was read from Mr. Jean Stolzmann, containing 
observations on the theory of sexual dimorphism. 
Mr. J. Bland Sutton read a paper on hypertrophy and its value in 
evolution, in which he attempted to show that material changes in structure 
might be the result of what was originally a pathological condition. 
Mr. E. T. Newton read a paper on the remains of a gigantic species of 
bird, Gastornis Klasseni, which had been obtained by Mr. H. M. Klaassen 
from the “‘ Woolwich and Reading Beds” of the lower Eocene series. The 
author observed that these fossils proved that in early Eocene times England 
was inhabited by a race of birds which equalled in their proportions some of 
the more massive forms of the New-Zealand Moas. 
A communication was read from Mr. R. B. Sharpe, containing the 
description of a new species of Hornbil! from the island of Palawan, which 
he proposed to name Anthracoceros lemprieri. 
Prof. E. Ray Lankester read some notes on the right cardiac valve of 
the specimens of Apterya dissected by Sir Richard Owen in 1841. 
A communication was read from Lieut.-Col. C. Swinhoe, being the third 
of his series of papers on the Lepidoptera of Bombay and the Deccan. The 
present paper treated of the second portion of the Heterocera. 
A communication was read from Dr. St. George Mivart, containing a 
correction of a statement concerning the structure of Viverricula contained 
in a former paper. 
May 19, 1885.—F. pu Cane Gopmay, Esq., F.R.S., in the chair. 
A letter was read from the Rev. G. H. R. Fisk, respecting the capture 
of a Sea-Snake amongst the rocks at the entrance to Table Bay, which he 
believed to be referable to Pelamis bicolor. 
