18 JOURNAL OF THE [January, 



suddenly died. On the 4th of this month a few specimens 

 were found in the same tank/ Also, the exhibit No. 7 showed 

 a peculiarity of this form " No. i " — twice the usual length, 

 having twice as many processes, with small processes inter- 

 spersed among the larger ones. 



Mr. Walker said that he took his exhibits Nos. 9, 10, and 11 

 at Glendale, Long Island ; and also that he had taken Bacil- 

 laria paradoxa in abundance in an undoubted fresh-water pool 

 of the tunnel of the Northern Railroad of New Jersey, near 

 Fairview. 



Mr. F, W. Leggett stated that he had kept sea water pure in 

 an aquarium for two years. 



Mr. William E. Damon stated that he had kept sea water 

 pure in an aquarium, without changing, for fifteen years, by 

 means of floating specimens of Ulva. 



Prof. Alfred M. Mayer donated specimens of the bark of 

 Abies balsamea with capsules of balsam for distribution. 



Meeting of October 2oth, 1893. 



The President, Mr. Charles S. Shultz, in the chair. 



Fourteen persons present. 



Dr. F. D. Skeel having offered to temporarily store at his 

 residence the exchanges of the Society now being received, and 

 for which there was no shelving now provided at the rooms of 

 the Society, it was resolved that the kind offer of Dr. Skeel be 

 accepted with thanks. 



OBJECTS exhibited. 



1. Peristome of Moss, Funaria hygrometrica. 



2. Peristome of Moss, Mniu??i undulatum, 



3. Spores and antherozoids of Chara. 



4. Podura, entire insect. 



5. Embryo Oysters. 



6. Section of fresh-water Pearl from Norway. 

 Exhibits Nos. 1-6 from the Cabinet of the Society. 



7. Sections of cast skin of Chameleon, Iguana, showing two 

 principal layers of the same : by L. Riederer. 



8. Photomicrographs : Gonococci in leucocytes of human 



