84 



BULLETIN" 93^ UNITED STATES NATIONAL MUSEUM. 



been in water (Quissett Harbor) some 80 days (about July 1 to Sep- 

 tember IS), the largest are 20 mm. in diameter. Dr. F. B. Sumner 

 has recorded specimens from 20 to 26 mm. in diameter, on the bottom 

 of a whaleboat which had been moored within the inclosure of the 

 pier at Woods Hole from May until November or December, 1908. 

 It appears^ therefore, to attain full size in a little over three months. 



Locality. 



Rochelle, France 



Lynn , Mass 



Boston , Mass 



Off Chadiam, Mass. (13-20 fathoms) 



Nantucket, Mass 



"St. George Island" 



Waquoit Bay, Mass 



Woods Hole, Mass 



Quissett Harbor, Mass 



Vineyard Sound, Mass 



0£E Marthas Vineyard, Mass 



Buzznrds Bay, Mass 



Off Newport,"R. I 



Noauk, Coiui 



LonR Island Sound 



Savin Rock, New Haven, Conn 



Seaside Park, N.J 



Near Port Republic, N. J 



Ocean City, N. J 



Sea Isle City, N.J 



Beasleys Point, N. J 



Highland Beach, N.J 



Cape May, N. J 



Betterton, Md., near head of Chesapeake Bay. 



St. Georges Island, Md 



Ocean Cil y , Md 



Smiths Creek, Potomac River, Md 



Chesapeake Beach, Va 



Ocean View, Va 



Fort Macon, N. C 



Charleston, S. G 



Mayport, Fla 



Near mouth St. Johns River, Fla 



Indian River, Fla 



Tarpon Springs, Fla 



Pass Christian, Miss 



Cuba 



Jamaica 



Near New Hope, Canal Zone (Pleistocene). 



Collector. 



D'Orbigny 



Dr. Prescott 



R. E. GritTith 



Fish Hawk 



Dr. B. Sharp 



M.C.M 



U. S. Fish Commission. 



do 



do 



.do. 



.do 



do 



do 



do 



do 



R. Rathbun 



H. L. Viereck 



H. A. Pilsbry 



H. W. Fortler 



Wm. J. Fox 



Dr. Beni. Sharp 



H. W. Fowler 



Isaac Lea 



H. A. Pilsbry 



M.C.M 



II. W. Fovvler 



R. r>. Evans 



II. D. Hance 



Helen Winchester. . . 

 Dr. H. C. Yarrow... 



I. Lea coll 



M.A.Mitchell 



Hon. F. E. Spinner. 



Dr. E. Palmer 



Wm. M. Beekley.... 



E. M. Price 



Isaac Lea coll 



C. B. Adams 



Dr. A. P. Brov.n 



Notes. 



Jeffreys coll. 



A.N. S. P. coll. 



Do. 

 Do. 



Many lots. 



Do. 



A. N. S. r. coll. 

 Do. 

 Do. 

 Do. 

 Do. 

 Do. 



Do. 



Do. 



Very large. 

 On drift log. 

 A. N. S. P. coU. 



Do. 



Do. 



Do. 



BALANUS IMPROVISUS Darwin. 



Plate 24, figs. 3-36, 5-5d. 



1854. Balanus improvisus Darwin, Monograph, p. 250, pi. 6, figs. Ja-lc, with 

 var. assimilis, p. 250. 



1869. Balamis irn-provisus, var. gryphicus Munter, Mittheil. naturwissensch. 

 Verein von Neu- Pommern und Riigen, vol. 1, p. 1. See Metzger, Nach- 

 richtsblatt d. deutschen malak. Ges., vol. 10, 1878, p. 7-9. 



1897. Balanus improvisus Weltner, Verzeichnis recenten Cirripedienarten, 

 p. 266. 



1870. Balanus improvisusDa.rm.njGz'ERTSiiAVSKj, Zool. Record, p. 205 (Black Sea). 



Type. — British Museum, from Kent, England. 



Distribution. — Scotland to the ocean coast of France; Nova Scotia 

 to southern Patagonia, Guayaquil, west Colombia, attached to wood, 

 shells, rocks and ships' bottoms, from low tide to 20 fathoms depth 

 (Darwin). Black Sea and Red Sea (Weltner). 



