100 THE NAUTILUS. 
Trochus alveolatus S., p. 52, No. 1240. Beehive snail. Lister, 
Conch. 62, 60. Jamaica. 
= Helix epistylium Miller, 1774. 
Venus nimbosa 8., p. 175, No. 3761. Florida. Favanne, t. 
AO, jal 
+ Macrocallista gigantea Gmelin, 1791-2. 
Voluta ancilla S., p. 84, No. 1878; p. 187, No. 3061. Straits 
of Magellan. D’ Avila, I, pl. 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 muricata S., p. 142, No. 3142. West Indies. Lister, 
Conch. 810, 19. 
+ Turbinella muricata Born, 1780. 
Voluta virescens S., p. 26, No. 610; Guinea; p. 186, No. 3020; 
p. 174, No. 3751. Martini, Conch. Cab. ITI, f. 942, 933. 
+ Voluta polygonalis 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 
