Your PDF has successfully downloaded.

You may be interested in finding more content on these topics:

Access

You are not currently logged in.

Access JSTOR through your library or other institution:

login

Log in through your institution.

The Marine Biological Laboratory

Science
Vol. 11, No. 282 (Jun. 29, 1888), pp. 305-306
Stable URL: http://www.jstor.org/stable/1763524
Page Count: 2
  • Download PDF
  • Add to My Lists
  • Cite this Item
We're having trouble loading this content. Download PDF instead.

Page Thumbnails