8 PllOCKEUlNGS OF THE 



was laid before the Fellows, and the thanks of the Society to the 

 several Donors were ordered. 



Mr. William Edgar Wright, Lieut. K.A.F., was admitted a 

 Fellow. 



The death of Dr. Anne Casimiu Ptramus de Candolle, 

 F.M.L.S., oil the 3rd October, 1918, was announced from the 

 Chair. 



The President read from the Chair the proposed changes in the 

 Bye-Laws for the second time. 



Mr. C. E. Salmon, F.L.S., exhibited and commented upon a 

 series of water-colour drawings of the highest finish, the names 

 as furnished by the artist, Mr. T. A. Stephenson, of Aberystwyth, 

 being, Malasis puludosa, Sw. ; Corallorrhiza innata, E. Br.; 

 Epipactis atrorubens, Boehl. ; E. latifoUa, All. ; E. viridijlora, 

 Keichb., with its two varieties duneusis, Weld. & Trav., and 

 vectensis, Sfevens ; Orchis pin'piirea, Huds. ; 0. iiicarnnia, Linn., 

 and its variety dunensis, Druce ; 0. prcetermissa, Druce ; 0. latifolia, 

 Linn. ? ; 0. Ftichsii, Druce (the old 0. macidata, auc-t. angl.) ; 

 0. inacidata, Linn., now employed for ])reviously-uamed var. 

 prtecox, Webster, and 0. ericetoi'um, Linton ; 0. maculata var. 

 insif/nis, Steph. ; 0. O'Kellyi, Druce ; hybrids of 0. Fuclisii 

 and 0. maculata crossed with Habenaria conopsea, E. Br. ( = Orchi- 

 gymnadenia Heinzeliana, Camus), and 0. £'j;rt/is/i, Druce ; Ophrys 

 apifera var. TrolUi, Heg. ; Hahenaria chlorantha, Bab. ; //. viridis, 

 E. Br. ; II. viridis X conopsea, Benth. ; and II. intacia, Benth. 



Mr. E. G. Baker, Mr. F. N. Williams, Mr. C. C. Lacaita, and 

 Mr. W. B. Brierley took part in the discussion which followed. 



Mr, E. S. GooDfiiCH, F.E.S., Sec.L.S., then spoke of the 

 exquisite drawings of sea-anemones, also executed by Mr. Stephen- 

 son in water-colour, shown, and understood to be destined for 

 a forthcoming volume on that gri)up. 



^[r. E. IL BuRXE, F.L.S., showed a series of preparations by 

 the late Prof. Chaeles Stewart, F.E.S., Pres.L.S. 1890-04, 

 of sound-producing organs in Invertebrates and Fishes. He 

 classified sound-organs as (1) Eattlfs, as in the Eattlesnake; 

 (2) Stridulating organs, as in the Grasshoppers : (.'3) a Drum- 

 membrane actuated by a muscle, as in Cicadas and Fishes ; and 

 (4) ^lembranes vibrated by a current of air, as in the vocal organs 

 of Vertebrates. 



A discussion followed, in which Lieut. -Col. Tull Walsh, who 

 instnncod an Indian species of Myyale stridulating, Mr. E. S. 

 Goodrich, F.E.S., Sec. L.S., Mr. H.' N. Dixon, and Dr. G. B. 

 Longstaff engaged. 



