THE NAUTILUS. 121 



River, I picked up two specimens of Mytilopsis leucopheata Conr. 

 and one Planorbis duryi Wetherby. In many places oyster 

 beds are common, and in the Indian River narrows the man- 

 grove roots between high and low water mark were completely 

 covered with young oysters. 



Three weeks in March, 1892, was spent at Lake Worth, the 

 most beautiful place on the Florida coast, with the Gulf stream 

 close to the shore. Much of my time was spent in looking at 

 the living forms of everything found below low water in the 

 inlet, and a collection of many objects was made. I had no 

 special collecting outfit, so the small and minute forms were 

 practically left out. The inlet of Lake Worth was at that time 

 a lonely place, only occasionally a sail boat passed in and out, 

 and at low tide I could wade across. At the time of my visit 

 to Lake Worth two residents at Palm Beach had small collec- 

 tions, Mrs. Nelsson and her children collected after storms and 

 had some shells that I did not see and claimed they were the 

 only specimens found by any collector at Palm Beach proper. 



Mr. J. J. White at the time a resident of Palm Beach had a 

 small collection of named shells collected mostly at Lake Worth. 

 Mr. White published two articles in THE NAUTILUS, Vol. XI, 

 page 31 and Vol. XII, page 142, about the specimens collected 

 by him and his description of the locality is good. 



Shells collected at Lake Worth inlet: 



Ostrea virginica Gmel. Young specimens common. 



Ostreafrons Linne. Single valves. 



Ostrea cristata Born. Single valves. 



Anomia simplex Orb. Common on old logs. 



Spondylus spathuliferus Sowb. A few single valves. 



Pecten irradians var. dislocatus Say. Single valves common. 



Pecten ornatus Lam. Single valves common. 



Pecten nodosus Linn. Several single valves. 



Pecten fuscopurpureus Conr. Single valves common. 



Avicula atlantica Lam. One fine specimen. 



Margaritiphora radiata Lam. One fine specimen. 



Pinna muricata Linn. Common. 



Pinna seminuda Lam. Common. 



Modiolus demissus Dillw. Several. 



