i888.] 



NEW-YORK MICROSCOPICAL SOCIETY. 97 



Sections of Black Granite and Felspar ; by T. B. Briggs. 

 Pyrite, said to be volcanic ; by G. D. Hiscox. 

 Sori of a rare West Indian Fern ; by G. E. Ashby. 

 Pseudo-scorpion ; by H. S. Woodman. 

 Seeds of Wild Carrot ; by J. W. Freckleton. 

 Fragment of shell of Echinus^ with a spine ; by James Walker. 

 Transverse section of stem of Potatoe, showing coUenchyma ; and lactiferous 

 vessels of Scorzonera Hispanica : by J. W. Martens, Jr. 



Medical Microscopical Society of Brooklyn. 



This Society meets at the residences of the members, on the first Wednesday 

 of each month, excepting the months of July and August. 



The officers for the year 1887 are, Pres., Dr. W. H. Bates ; Cor. Sec, Dr. 

 H. D. Bliss ; Treas., Dr. Albert Brinkman ; Rec. Sec, Dr. J. M. VanCott, Jr. 



The membership is limited to twenty active members, who must be physicians 

 and working microscopists, each one of whom is expected to present one paper 

 each year, on some subject pertaining to the object of the Society ; and five 

 associate members, who must be physicians, and interested in microscopy, 

 although they may not be working microscopists. 



Meeting of September 7, 1887. — Held at the residence of Dr. J. M. 

 Van Cott, Jr. A good number of the members were present. Dr. Van Cott 

 read the paper of the evening, which was illustrated by microscopical sections, 

 stained with alum-carmine, and which elicited full discussion, and the present- 

 ing of some clinical histories. 



Meeting of October 5. — Held at the residence of Dr. R. G. Eccles. 

 Dr. Eccles read a paper, entitled " Thallophytes in Medicinal Solutions." 

 This paper was amply illustrated by microscopical preparations, diagrams, 

 and specimens of solutions containing Thallophytes, and it led to a vigorous 

 discussion of the subject. 



Meeting of Noyember 2. — Held at the residence of Dr. Herbert Fearn. 

 Dr. Arnold Stub read the paper of the evening, which was thoroughly 

 discussed by the large number of members present. 



Essex County Microscopical Society of New Jersey. 



Meeting of November 2, 1887. — Held at the residence of the Rev. F. B. 

 Carter, Montclair, N. J. A large number of members was present. 



After the transaction of routine business a paper on the Rhizopoda was read 

 by Mr. Carter, who has studied these low forms of animal life during several 

 years. The paper, which treated of the different species of Rhizopods, their 

 classification, habits, external and internal structure, modes of reproduction, &c., 

 was followed by a lantern exhibit ; the slides used for this purpose being 

 prepared by Mr. Carter. 



Among many representations thrown upon the screen, may be specially men- 

 tioned those of Aniceha princeps, with its nucleus, contractile vesicle, and 

 pseudopodia ; also the reproduction by division through the nucleus, in the 

 case of Ama'ba proieus, and by spores, in the case of Microgromia socialis ; and 

 the structure of the tests of many other species. 



A paper on the subject, "Tooth Development," by the President, Geo. S. 

 Allan, D. D. S., was announced for the next meeting, to be held on 

 November 17. 



