Amer. Naturalist, vols. xiv, pp. 617-630; xv, pp. 186-195, 772-782; xvi, pp. 89-101; xvii, pt. 2, pp. 833-845; Phila., 1880-1883.

The tubes in the larger nectocalyx of Abyla pentagona.

Proc. Boston Soc. Nat. Hist., vol. xx, pp. 318-324, Boston, 1881.

Report on the Acalephæ.

Bull. Harvard Mus. Comp. Zoöl., vol. viii, no. 7, pp. 127-140, Cambridge, 1881.

Studies of the jelly-fishes of Narragansett Bay.

Bull. Harvard Mus. Comp. Zoöl., vol. viii, no. 8, pp. 141-182, Cambridge, 1881.

Budding in free Medusæ.

Amer. Naturalist, vol. xv, pp. 59-60, Phila., 1881.

Note on the structure of Rhizophysa filiformis.