200 THE ZOOLOGIST. 



also, though less closely, to the Dasypodidm — all the American forms thus 

 constituting one primary division of the order, from which both the Manidce 

 and Orycteropodidm of the Old World are totally distinct. 



A communication was read from Mr. Charles Darwin, introducing a 

 paper by Dr. Van Dyck, of Beyrout, on the modification of a race of Syrian 

 street dogs by means of natural selection. 



Mr. Oldfield Thomas read an account of a small collection of mammals 

 made by Mr. A. Forrer in the State of Durango, Central Mexico, in which 

 examples of several northern forms not hitherto recorded so far south, and 

 several southern forms not hitherto known so far north, occurred. 



A communication was read from Mr. Edward Bartlett, containing notes 

 on a collection of mammals and birds formed by Mr. J. Hauxwell in the 

 neighbourhood of Nauta, Elvira, and Loretoyacu, on the Peruvian Amazons. 

 The collection contained examples of new species of Thamuophilus and 

 of Crypturm, which were proposed to be called T. loretoyacuensis and 

 C. Balstoni. 



A communication was read by Mr. Edgar A. Smith, containing an 

 account of the collectious of terrestrial and rluviatile Mollusca lately made 

 in Madagascar by Mr. W. Johnson and the Rev. W. Deans Cowan. Various 

 new and interesting species of the genus Cyclostoma,Yitrina, Helix, Stenoyyra, 

 Melanatria, Cleopatra, AmpuUaria, Liunuta, Physa, Planorbis, Corbicida, 

 and Pisidium were described. — P. L. Sclatek, Secretary. 



Entomological Society of London. 



April 5, 1882.— H. T. Stainton, Esq., F.R.S., &c, President, in the 

 chair. 



Mr. Lionel de Niceville, of Calcutta, was elected a member. 



Mr. T. 11. Billups exhibited a box of llymenoptera, the specimens 

 being mounted on glass, which admitted of their under sides being readily 

 examined. 



The Rev. H. S. Gorham exhibited a remarkable variety of a Coccinella; 

 although intermediate between C. oblunyo-yuttata and C. ocellata, Mr. 

 Gorham did not believe it to he a hybrid. Several members remarked on 

 the really small amount of variation to be found in this group, although 

 commonly believed to be variable. 



Mr. R. M'Lachlan exhibited his collection of Trichoptera, contained in 

 five cabinet drawers, and made some remarks thereon. 



Mr. A. G. Butler communicated a continuation of his " Heterocerous 

 Lepidoptera collected in Chili by Thomas Edmonds, Esq." Forty-five 

 Noctua were noticed in the present paper. — E. A. Fitch, Hon. Sec. 



