Proc. Boston Soc. Nat. Hist., vol. xx, pp. 292-302, Boston, 1881.
On the development of the pluteus of Arbacia.
Mem. Peabody Acad. Sci., vol. i, no. 6, Salem, 1881.
A cercaria with caudal setæ.
Amer. Journ. Sci. and Arts, 3d ser., vol. xxiii, pp. 134-135, New Haven, 1882.
Notes on Acalephs from the Tortugas, with a description of new genera and species.
Bull. Harvard Mus. Comp. Zoöl., vol. ix, no. 7, pp. 251-289, Cambridge, 1882.
On the Acalephæ of the east coast of New England.
Bull. Harvard Mus. Comp. Zoöl., vol. ix, no. 8, pp. 291-310, Cambridge, 1882.
On a few medusæ from the Bermudas.