I 89 I. I NEW-YORK MICROSCOPICAL SOCIETY. 69 



4. Clathnilina elegans : by Stephen Helm. 



5. Actinosphcerium Eichhornii : by Stephen Helm. 



Mr. Stephen Helm, of 417 Putnam Avenue, Brooklyn, 

 N. Y., addressed the Society on " The Protozoa." This address 

 opened with an exhibit and explanation of the collecting appara- 

 tus employed by Mr. Helm, and was illustrated by numerous 

 enlarged and beautiful diagrams, and by reference to the objects 

 exhibited under the microscopes. 



PUBLICATIONS RECEIVED. 



The Microscope : Vol. X., Nos. 9, 10 (September, October, 1890). 



The American Monthly Microscopical Journal : Vol. XL, Nos. 9-1 1 

 September-November, 1890). 



Natural Science Association of Staten Island : Proceedings ; Meetings of 

 October gth and November 8th, 1890. 



The Microscopical Bulletin and Science News : Vol. VII., No. 4 (August, 

 1890). 



The Botanical Gazette: Vol. XV., Nos. 10, 11 (October, November, 1890). 



Bulletin of the Torrey Botanical Club : Vol. XVII., Nos. 10, 11 (Oct- 

 ober, November, 1890). 



The Journal of Mycology : Vol. VI., No. 2 (September, 1890). 



Psyche : Vol. V., Nos. 172-174 (August-October, 1890). 



Insect Life ; Vol. III., Nos. 2, 3 (September, November, 1890). 



Entomologica Americana: Vol. VI., Nos. 10, 11 (October, November, 

 1890). 



Anthony's Photographic Bulletin : Vol. XXL, Nos. 19-22 (October 11- 

 November 22, 1890). 



The West American Scientist : Vol. VII.. Nos. S3. 54 (September, October, 

 1890). 



Bulletin of the American Museum of Natural History ; Vol. III., No. i 

 (June, rSgo). 



New York Academy of Sciences : Annals, Vol. V., Nos. 4-S (March-July, 

 1S90) ; Transactions. Vol. IX., Nos. 3-8 (December, 1889-June, 1890). 



Journal of the Cincinnati Society of Natural History: Vol. XIII. , No. 2 

 (July, 1890). 



Kansas Academy of Science : Transactions, Vol. XII., Part i '1889). 



Boston Society of Natural History : Proceedings, Vol XXIV., Parts 3, 4 

 (May, iSSg-April, 1890). 



Bulletinof the Essex Institute : Vol. XXII , Nos. 1-3 (January-March, 1890). 



Elisha Mitchell Scientific Society : Journal Vol. VII., Part i (January-June, 

 1S90). 



Massachusetts Horticultural Society : Transactions, 1S89, 1890. 



Cornell University College of Agriculture : Bulletins 20-22 (September- 

 November, 1890). 



Michigan Agricultural Experiment Station : Bulletins 65, 66 (August, Sep- 

 tember, 1890). 



Alabama Agricultural E.xperiment Station ; Bulletins i3, 19 (August, Octo- 

 ber, 1890). 



Report of the Microscopist, United States Dept. Agriculture (1889). 



The Indiana Medical Journal: Vol. IX., Nos. 4, 5 (October, November, 

 X890). 



