423 

 2. Zoological Society of London. 



7tli June, 1898. — The Secretary read a report on the additions that 

 had been made to the Society's Menagerie during the month of May 1898, 

 and called special attention to a young female Mountain Zebra [Equus zebra) 

 and a young male Leucoryx Antelope, acquired by purchase; a young male 

 Reindeer [Rangifer tarandus)^ presented by the Hon. M. A. Bourke; and two 

 Black-necked Swans [Cygnus nigricoUis)^ batched in the Gardens. — Mr. L. 

 A. Borradaile, F.Z.S., read the second part of a paper on Crustaceans 

 from the South Pacific. In this part 21 species of Macrura anomala, examples 

 of which had been collected in the islands of Rotuma and Funafuti by Mr. 

 J. Stanley Gardiner, were enumerated, and notes were given on several of 

 them. Under the head of Petrolisthes Lamarcki the author proposed to unite 

 a number of forms previously considered as specifically distinct. — A commu- 

 nication was read from Mr. A. E. Shipley, F.Z.S., containing an account 

 of the Gephyrea or Unsegmented Worms collected by Mr. J. Stanley Gardiner 

 at Rotuma and Funafuti. These comprised examples of two species of 

 Echiuroidea and twelve of Sipunculoidea. Of the latter group two new 

 species were described, viz. Sipunculiis rotumahensis and S. fimafuti, and 

 Physcosoma varians was recorded for the first time from the Pacific. — Mr. 

 G. A. Boule nger, F.R.S., F.Z.S., read a fourth report on the additions to 

 the Batrachian Collection in the Natural History Museum, containing a list 

 of the species of this Class (115 in number), new or previously unrepresented, 

 of which specimens had been added to the collection since November 1894. 

 Eight new species were described in this paper. — Mr. G. A. Boulenger, 

 on behalf of Count Peracca, gave an account of a new species of Newt [Molge 

 italica)^ recently discovered in Southern Italy, and exhibited some living 

 specimens of it. — A communication was read from Mr. L. W. Wigles- 

 worth, entitled »Theories of the Origin of Secondary Sexual Characters«, 

 Avhich contained arguments in favour of the theory of the stimulation of 

 parts to higher development through use or external violence or irritation, as 

 observed in birds. — A communication was read from the Rev. O. Pickard 

 Cambridge, F.R.S. It contained an account of a collection of Araneidea 

 from Savoy, comprising examples of 24 species, one of which [Gnaphosa 

 molesta) was described as new. 



21st June, 1898. — Mr. J. Graham Kerr, F.Z.S., exhibited some 

 specimens of Lepidosiren collected by him in the Gran Chaco of Paraguay 

 during 1896-1897. The adult males exhibited the characteristically varying 

 appearances of the hind limb in the periods before, during, and after the 

 breeding-season. Mr. Kerr also exhibited specimens of the young of Lepido- 

 siren, illustrating especially the external gills and sucker, the disappearance 

 of these organs, and the change in the colour of the animal associated with 

 the surrounding conditions of light or darkness. — A small collection of 

 Teleostean Fishes collected in the same swamps in which Lepidosiren was 

 found, and kindly identified by Mr. Boulenger, was also exhibited. — The 

 Secretary called the attention of the Meeting to the arrival in the Society's 

 Gardens of four living specimens of the Australian Lung-fish [Ceratodus 

 Forsten]^ deposited by Mr. D. O'Connor, who gave an account of the mode 

 in which he had obtained tbem and brought them to England. — Mr. G. A. 

 Boulenger, F.R.S. , exhibited specimens of the remarkable fish Tolypterus 

 Lapradii^ from the Lower Congo. They were provided with highly developed 



