144" PROCEEDINGS OF SOCIETIES. 



Mr. Henry Lee : Sponge spicules in situ, Pheronema Grayii. 



Mr. W. T. Loy : Section of an entire blow-fly, Musca vomitoria. 



Mr. S. J. Mclntire : Templetonia nitida alive, the scale of ditto 

 with Powell's ith and Wenham's truncated lens. The Test Podura 

 mounted to show distinctive characters. 



Mr. J. Needham : Human louse changing its skin, and a section 

 of human lung injected. 



Mr. L. Norman: A large frame of wood sections, and one of 

 fossils from the Coal-measures. 



Mr. Frederick Oxley : An erecting arrangement for dissecting, &c., 

 under the binocular comj)ouud microscope, being a modification of the 

 arrangement described by Mr. Ward, in No. 37 of the ' Monthly 

 Microscopical Journal.' 



Mr. W. K. Parker (the President) : Some very beautiful slides of 

 Forarainifera. 



Mr. George Potter : Alceonella stagnorum, alive. 



Messrs. Powell and Lealand : Podura scale, 3000 diameters, and 

 Pleurosigma angulatum, 2000 diameters, under their new ^V*^ 

 objective. 



Mr. M. Pillischer : Some very fine injected preparations. 



Dr. Royston-Pigott : A kratometer for taking micrometric measure- 

 ments very readily and ascertaining the power of objectives. 



Mr. Walter W. Peeves : Diatoms in situ, Podosira Montagnei. 



Mr. Edward Richards: Two new portable lamps. 



Messrs. Ross : Beaded structure of Pleurosigma angulatum, shown 

 with Wenham's truncated lens and parabola under their xV*h object- 

 glass. 



Mr. W. T. Suffolk : Stellate haii's of Pomidaris apetela, N. 0. 

 Rhamnaceee. 



Mr. Charles Stewart : One of the Entomostraca, Nebalia hipes, 

 polarized. Zoea stage of one of the crabs ; the heart may be seen in 

 its pericardium immediately beneath the dorsal spine. Globular 

 dentine from the tooth of walrus, and two stages of the development 

 of the hair and hair-follicle, viz. first, as an ingrowth of the deep 

 layer of the epidermis ; second, the cells in the middle of the ingrowth 

 become modified to form the hair, the outer ones remaining to con- 

 stitute the hair-follicle. 



Mr. John W. Stephenson exhibited his new erecting binocular 

 microscope, and the following beautiful specimens prepared by 

 Dr. Klein : — Nerves and connective-tissue corpuscles of the cornea ; 

 nerves of the conjunctiva of rabbit ; and a vertical section of skin of 

 negro's head, with the hair-follicles greatly curved. 



Mr. Charles Tyler: A series of sponge sections and sponge 

 spicules from Barbadoes, Japan, Jamaica, Australia, India, North 

 America, and the British Isles. 



Mr. Thomas C. White : Preparations of the dental pulp and a 

 curious form of hippuric acid polarized. 



