1893. 



Oct. 23rtl.— "Fossils," by Mr. Daniel Claguc, F.G.s. 



Oct. SOtli. — "Stories told by the Mieroscoi)e/' with ilkistrations, by 



Mr. (1 H. Hesketh AVaUvcr. 

 Nov. Gth.— " The Colours of Animals," by Mr. P. F. J. Corbin. 

 Nov. loth. — " The Place of Egypt in the History of the Progress of 



Mankind," by the liev. F. F. Grensted, m.a. 

 Nov. 20th.—" The Hiunuii Eye and Ear," by Mr. J. A. Clubb. 

 Nov. 27th.—" Our Skeletons," by Dr. F. 0. Larkin, F.R.C.s. 

 Dec. 4th.—" Mimicry in the Insect World," by Mr. T. H. Wardleworth. 

 Dec. 11th. — " Sponges : their Structure and Life History," by Mrs. T. 



S. Wokes. 

 Dec. 18th. — ''Insects and their Uses," by Mr. John Chard. 



Donations. 



A piece of Wood bored by Sirex gigas, and two double-i)ointed 

 Crystals from the Punjaub ; presented by Mr. P. M. Adam. 



A collection of Scotch Pebbles, polished ; presented by Miss Anderson. 



A Caiman (lift. 6m.), from the River Amazon ; presented by Mr. 

 Alfred Booth. 



Six young living Turtles, from Kurrachee ; presented by Mr. Coo})er, 

 s.s. Worsley Hall. 



A fine specimen of " Wire Silver," or " Natural Silver," from Denver, 

 Colorado ; presented by Mr. John J. Covington. 



A collection of Minerals, bequeathed by the late Earl of Derby. The 

 collection represents princi[)ally one great di\ision of mineralogy — that of 

 silica — in its varied forms of quartz, rock crystal, agate, chalcedony, jasper, 

 &c„ with a series of earthy and metalliferous minerals, such as labradorites, 

 precious opals, malachites, rhodonites, &c., used for economic and decora- 

 tive purposes. The -writings of Professor Puskin were perhai)s the cause of 

 the commencement of Lord Derby's collection, which, for beauty, rarity, 

 and size, may fairly claim to l)e at the present day unsurpassed. There 

 is one section of an abnormal agate, it is a long oval specimen, measuring 

 15^ inches by 7^ inches wide, of beautiful amorphous silica and agate, 

 but only the eighth of an inch in thickness, polished on both sides. 

 Beautiful transparent })olislied specimens of quartz, enclosing acicular 

 crystals of rutile, the oxide of titanium. One specimen is quite unique, 



