HORNELL— MARINE RE.SOURCE.S 7 



match the coloration of its habitat, while at the junction of the muddy bottom 

 wjth the sand and gravel of the hioher zone at the north end of the bay, a giant 

 anemone, Biscosoma sp., was plentiful (Plate VIII.), together witli a, magnificent 

 yellow species of the alcyonarian Deiidrouej>hthya.~n caulitlower-like creature nearly 

 related to the red coral of commcr(;e. Even this does not exhaust the faunal variety 



Fig. 2. — Lingula fnun Ralapur Ba)', showing the 

 proportionate length of tlie muscuhir " stalk," 



of the district — the fiat-topped, surf-harried reef islets have their own distinctive 

 animal associations — mostly free-moving creatures that know how and where to find 

 refuge from the force of the breakers when heavy seas ponnd the reefs. Of such 

 are crabs, crawfish and other crustaceans in fair variety and several species of octopus. 

 Anemones allied to Teaha and Sagartia are numerous Ijut inconspicuous, while 

 beneath boulders a considerable diversity of molluscs, tunicates, worms, and fishes find 

 refuge. 



