100 THE NAUTILUS. 



Trochus alveolatusS., p. 52, No. 1240. Beehive snail. Lister, 



Conch. 62, 60. Jamaica. 

 =Helix epistylium Muller, 1774. 



Venus nimbosa S., p. 175, No. 3761. Florida. Favanne, t. 



49, f. II. 

 -\-Macrocallista gigantea Gmelin, 1791-2. 



Voluta ancilla S., p. 84, No. 1873; p. 137, No. 3061. Straits 



of Magellan. D'Avila, I, pi. 8, f. s. 

 Voluta angulata S., p. 76, No. 1711. Martini, Conch. Cab. 



IV, f. 1325. 

 -\-Turbinella scolymus Gmelin, 1791-2. 



Voluta brasiliana, p. 186, No. 3958. Brazil. Large unde- 



scribed species with only two plaits on the column. 

 -\-V. brasiliana Lamarck, 1811. 



Voluta muricataS., p. 142, No. 3142. West Indies. Lister, 



Conch. 810, 19. 

 -f- Turbinella muricata Born, 1780. 



Voluta virescens S., p. 26, No. 610; Guinea; p. 136, No. 3020; 

 p. 174, No. 3751. Martini, Conch. Cab. Ill, f. 942, 933. 

 -\-Volutapolygonalis Lamarck, 1811, fide Pfeiffer. 



COLLECTING AT NAHANT BEACH, MASS. 



BY LILLIAN DYER THOMPSON. 



Nahant Beach, very often incorrectly called Lynn Beach, lies 

 just the other side of the boundary line between Lynn and 

 Nahant. This beach is in the shape of an extremely large 

 crescent, and is of the finest quality of sand. On this beach, 

 which fronts the ocean, I collected eleven species one afternoon, 

 while in the rock pools of Little Nahant which tip one end of 

 the beach, we found eleven other species. The rock pools we 

 visited are exactly opposite Egg Rock, and are on the Atlantic 

 side of Little Nahant. In these rock pools I have found many 



