98 



LeaTHESIA, S. F. Gray. 



L. DIFFORMIS (L.), Aresch. Staten Island, Pike ; on wood 



Mo 



sometimes on other algae, Longport, Lawtoji, McCitllough, 



ClIORDARIA, Ag. 



C. FLAGELLIFORMis (FL Dan.), Ag. Staten Island, Harvi 



Mo) 



Mksogloia, Ag. 



M. DIVaricata (Ag.), Kiitz. Very common from Cape Cod 

 southward, Farlozv ; New York Bay, Hooper ; Pleasure Bay, 

 Pike, 



Castagnea (Dub. and Sol.), Thur. 



C. VIRESCENS (Carm.), Thur. A specimen of this species is 

 said to have been collected on the beach at Long Branch; if 



so, it must have been washed in by the waves from the coast 

 of New England. 

 Ralfsia, Berkeley. 



R. VERRUCOSA (Aresch ), J. Ag. On old shells, Atlantic City, 

 Martindalc, Porter. 



R. CLAVATA (Carm.), Crouan. Atlantic City, Morse, Martin- 

 dale ; Longport, Martindale ; Somer's Point, Porter. 

 AsPEROCOCCUS, Lamourx. 



A. ECHINATUS (Mert.), Grev, ''AH around Staten Island." 

 Pike. 



Stilophora, J. Ag. 



S. RHIZODES, Ag. Egg Harbor, rather rare on old shells, 

 near low water mark, Ashmead ; Staten Island, Pike. 



S. PAPILLOSA, J. Ag, " Great Egg Harbor Bay and Pleasure 

 Bay," Pike. Not otherwise known on our coast ; possibly 

 only a form of the former species. 



Stria Ri A, Grev. 



S. ATTENUATA, Grev. *' Prince's Bay, S. L," Pike. See Far- 

 low, Mar. Alg. p. 90. 



Chorda, Stack. 



C. FILUM (L.), Stack. Perth Amboy, Hervey, Britton ; 

 Ocean Beach, C. Henry Kain. 

 LamiNARIA, Lamourx. 



L. SACCHARINA (L.), Lamourx. *' Cast up from deep water on 



it ^ 



*i 



