78 THE NAUTILUS. 
HELIcID». 
Helix aspersa Mill. British cemetery at Buenos Ayres, Argen- 
tine Republic. 
Helix lactea Mill. Gorriti Island, Maldonado Bay. Cultivated 
for food. This species was already abundant in Uruguay when 
d’Orbigny was there in 1826, and the date of its introduction could 
not then be ascertained. 
Strophocheilus oblongus Brug. var. Fray Bentos. The apex is 
blunter than in typical oblongus, more as in S. capillaceus Pfr. 
Strophocheilus lutescens King. Gorriti Island, Maldonado Bay. 
Originally described from Maldonado. The eggs vary in size, 
especially in length, measuring from 6:5 x 9:2 to 6°2 x 7°6 mm. 
BULIMULID&. 
Bulimulus gorritiensis Pils., n. sp.’ Gorriti Island, Maldonado 
Bay, under stones. 
Bulimulus Rushii Pils., n. sp. Montevideo, plain back of Cerro, 
on thistles. 
PUPID2. 
Odontostomus dentatus Wood. Montevideo, Uruguay, on thistles 
and close to ground, on plain back of the Cerro. 
ENDODONTID&. 
Amphidoxa (Stephanoda) costellata d’Orb. A small grove of 
native trees near Maldonado, Uruguay. Abundant. 
SUCCINEID. 
Omalonyx unguis V@Orb. Locality not noted. 
Omalonyx convexra Mart. Creek in Prado, Montevideo. 
VAGINULID. 
Vaginulus solea d’Orb. Near Maldonado, Uruguay. 
PHYSIDH. 
Physa Sowerbyana @’Orb. Creek in Prado, Montevideo. 
CHILINID. 
Chilina fluminea Maton. San Gabriel’s Island, in the Rio de la 
Plata, opposite Colonia, Uruguay. 
Chilina Rushii Pilsbry, n. sp. Uruguay River, at Fray Bentos, 
Uruguay. Distinguished by its angular shoulder. 
‘See Man. Conch. (2), XI for description and figure of this and the next 
species. The other new forms will be described in Proc. Acad. Nat. Sci. 
Phila. and the next number of NAUTILUS, space being lacking in this number. 
