CONTENTS OF VOLUME 36. 
PAGE 
No. 1. — Contributions from the Gray Herbarium of Harvard University. 
New series. — No. LXII. Sable Island, with a catalogue of its vascu- 
lar plants. By Harold St. John. (2 plates.) March, 1921 . 1 
No. 2. — The distribution of New England Odonata. By R. Heber 
Howe, Jr. May, 1921 105 
No. 3. — A review of the evidence for the Taconic revolution. By Thomas 
H. Clark. July, 1921 135 
No. 4. — A new fossil .starfish from New England. By Percy E. Ray- 
mond. (1 i)late.) August, 1921 165 
No. 5. — Flora of Berkshire County, Massachusetts. By Ralph Hoff- 
mann. March, 1922 .....;.... 171 
No. 6. — New England sawflies of the genus Tenthredella Rohwer. By 
Marcus T. Smulyan, Ph.D. (2 plates.) January, 1923 . 383 
No. 7. — New fossils from the Chapman sandstone. By Percy E. 
Raymond. (1 plate.) June, 1923 467 
No. 8. — New fossils from the vicinity of Boston. By Thomas H. Clark. 
August, 1923 473 
