Reports of Societies. 



159 



W. E. Clarke, a recently taken Yorkshire egg of the raven — a bird which 

 it is satisfactory to know is not extinct as a resident in the county. 



375th Meeting, April 6th, Mr. B. Holgate, F.G.S., x^resident, in the 

 chair. — Mr. Washington Teasdale, F.R.M.S., gave a lecture on " The 

 Lantern as a means of illustrating Scientific Lectures." In illustration he 

 showed with the sciopticon a very large number of selected representative 

 slides. 



376th Meeting, April 13th, Mr. W. B. Turner, F.C.S., F.H.M.S., 



vice-president, in the chair. — Microscopical evening, the special subject 

 taken being micro-conchology. The chairman introduced the subject by 

 describing the various forms of shell structure, the value of the palates or 

 odontophores in generic distinctions, and other points, references being 

 given to bibliography. A large number of slides were shown by various 

 members, including palates of Buccinum, Patella, Valvata, Physa, Helix, 

 Aplysia, Limax, Haliotis, Trochus, Chiton, and Nassa ; a series of the 

 genus Pisidium, collected in Holderness by Mr. Butterell ; sections of 

 Pinna and Haliotis ; Spirorhis, fossil ; nervous ganglia and nerve cells of 

 Limax ; young of Physa, Ostrcea, and Planorbis (mounted) ; and living 

 young of Planorbis corneus. Mr. J. R. Murdoch exhibited in botany a 

 series of Cornish heaths {Erica), and of interesting ferns. Birds' 

 eggs were shown by Mr. Walter Raine, and Yorkshire specimens of 

 lepidoptera by Messrs. Roebuck and Smethurst. Mr. Teasdale showed 

 Warington's aquarium-microscope, and an ingenious revolving stage- 

 diaphragm of his own design. Mr. Alfred Allen, secretary of the Postal 

 Microscopical Society, took part in the meeting as a visitor. 



Yorkshire Naturalists' Union. — The season of 1880 was opened by 

 an incursion into the "N"orth Riding, and the northern edge of the West 

 Riding, Masham being chosen as the place of meeting, and Easter 

 Monday, which fell so early as the 29th of March, being the date. 

 Several of the members got off at Ripon, but the main body proceeded to 

 Tanfield station, with the intention of visiting Hackfall, admission to 

 which, as well as to Studley Royal and Fountains Abbey, was most kindly 

 and freely granted by the Marquess of Ripon. Both places were visited, 

 as well as other parts of the picturesque country about Ripon. The 

 meeting, which was held at the King's Kead Inn, Masham, was attended 

 by about thirty members, and the chair occupied by one of the vice- 

 presidents. Rev. Wm. Fowler, M.A. The societies represented were — 

 Huddersfield, Ovenden, Liversedge, and Bradford Naturalists' Societies, 

 Leeds Naturalists' Club, Huddersfield Literary and Scientific Society, 

 Huddersfield Scientific Club, Leeds Conchological Society, Leeds 

 Geological Association, Bradford Scientific Association, and Dewsbury 

 Natm-alists' Society. The list of new subscribers, to whom thanks were 

 voted, included Messrs. J. H. Gurney, jun., F.Z.S., Norwich, J. Jackson 

 of Wetherby, W. K. McGhie of Rastrick, P. W. Lawton of Easington, 

 J . H. Carter of Leeds, Geo. Roberts of Lofthouse, and John Brown, 



