14 



of the New England Meteorological Society at Providence, R. I., April 

 15, 1890. Amer. Met. Journ., Vol. VII., 1890, pp. 67-78. 



Types of New England Weather, in Investigations of the New England 

 Meteorological Society, reprinted from the Annals of the Astron. Obser- 

 vatory of Harvard College, Vol. XXI., Part II., pp. 116-137. 



An Investigation of the Sea-Breeze, by W. M. Davis, L. G. Schultz, 

 and R. DeC. Ward, Ibid., pp. 215-263. With Eight Plates. 



Reviews of Ferrel's Popular Treatise on the Winds. Nation ; Science. 

 February 28, 1890. 



Review of Blanford's Climates and Weather of India. Nation ; Science. 



Review of Wright's Ice Age in North America. Nation. 



In Petrography instruction was given by Dr. Wolff during the 

 year to three advanced students engaged in special investiga- 

 tion. This comprised the kt Novaculite of Arkansas," the " Crys- 

 talline Rocks of the Narragansett Basin in Rhode Island," and 

 the " Eruptive and Stratified Rocks of Essex County, Mas- 

 sachusetts. " 



The following contributions from the Petrographical Laboratory 

 were published as Museum Bulletins : — 



On Peratophyre from Marblehead Neck, Massachusetts, by John H. 

 Sears. 



On some Occurrences of Ottrelite and Ilmenite Schist in New Eng- 

 land, by J. E. Wolff. 



In the spring the rock collections and Laboratory equipment 

 and the Whitney collection of rocks were moved into the upper 

 rooms of the Petrographical Laboratory in the new Geological 

 Section of the Museum, and the Chemical Laboratory and rock 

 section machinery into the basement. 



The Instructor continued during the year his study of the 

 Crystalline Schists of the Eastern United States. 



