l888,] NEW-YORK MICROSCOPICAL SOCIETY. 87 



5. Ovipositor of Cicada septeiidecvn, L., the Seventeen-year 

 Locust, and twigs pierced by the same : Exhibited and explained 

 by C. S. Shultz. 



6. Larva, Cocoon and Imago of an Ichneumon Fly, Microgas- 

 ter, attached to the Larva of a Hawk-Moth : Exhibited and ex- 

 plained by F. W. Leggett. 



7. Striated Muscle-Fibre of the Head of Harpalus caliginosus, 

 Fab.: Exhibited by E. B. Grove. 



8. Diamond Mica, from Pike's Peak : Exhibited and ex- 

 plained by E. B. Grove. 



other exhibits. 



9. Pollen of the Rag- weed. Ambrosia artemisicsfolia, L.: Ex- 

 hibited by F. W. Devoe. 



10. Section of Felspar ; polarized : Exhibited by T. B. 

 Briggs. 



11. Type-slide of marine Navicula, mounted by Thum, of 

 Leipsic : Exhibited by E. A. Schultze. 



12. Oolitic Sand, from Australia : Exhibited by H. W. Calef. 



13. Fruit of the Zanzibar Lily, Ny7nphcea Zanzibar : Exhibited 

 by W. E. Damon. 



objects from the society's cabinet. 



14. Megilla macidata^ De Geer. 



The Cocciiullidce, Lady-birds, to which this species belongs, 

 can be distinguished by the short legs, tarsi three-jointed ; the 

 body hemispherical in form ; the antennae usually short and re- 

 tractile, enlarged at the tips, and inserted at the inner front 

 margin of the eyes ; the maxillae with two ciliate lobes, palpi 

 four-jointed, last joint hatchet-shaped ; the coloration usually of 

 a red or yellow ground with black spots, or black ground with 

 red or yellow spots. 



Over 1,000 species are at present known, from all parts of the 

 globe. 142 species, and i8 varieties inhabit America, north of 

 Mexico ; and 126 species, and 89 varieties are found in Europe. 



15. Mouth-parts of the Honey-Bee. 



Meeting of October 2ist, 1887. 



The President, the Rev. J. L. Zabriskie, in the chair. 

 Thirty-seven persons present. 



