660 PROCEEDINGS OF THE ACADEMY OF [DeC.,. 



Ampullaria lineata Spix. 



L.c, p. 3, tab. V, fig. 2. 



Four specimens were taken in the artificial lake on the water front 

 at Ceara, a single specimen near the Guajara-Assu Falls on the 

 Mamore River, and two specimens were sent by Mr. G. A. Waring 

 "from the lower portion of the Rio Mossoro in the state of Rio 

 Grande do Norte. 

 Ampullaria nobilis Reeve. 



Conch. Icon., 1858, pi. ii, fig. 8. 



Five specimens were taken in a small stream in the suburbs of 

 Para and ten taken on the Island of Mexiana, one from the Rio 

 Jamauchim and one from Baiao on the right bank of the Rio Tocan- 

 tins were sent from the Goeldi Museum. 

 Ampullaria peristomata Orbigny. 



Magazin de Zoologie, 1835, p. 32; Voyage, pi. 52, figs. 4-6. 



Three or four specimens of this species, which is characteristic of 

 the head waters of the Madeira River System, were taken on a sand 

 bank below the Guajara-Assu Falls and about thirty specimens at 

 Camp 43, M. & M. R. R.; three specimens were sent from the 

 Goeldi Museum, one each from the Rios Tapajoz, Jamauchim, and 

 Maccurii. Two specimens brought through without water proved, 

 to be alive and in good condition when put into water at the Academy 

 of Natural Sciences in Philadelphia about two months later. 

 Ampullaria testudinea Reeve. 



Conch. Icon., X, pi. xxiv, fig. 114 (1856). 



This was the commonest Ampullaria at Papary and at Ceara- 

 Mirim; three young shells were taken at Maranhao, and a single 

 specimen from the Rio Maccuru was sent from the Goeldi Museum. 

 Ampullaria bridgesii Reeve. 



Conch. Icon., X, pi. .\i, fig. 50, (1856). 



About forty specimens were taken at Para, a single very large and. 

 heavy dead specimen at Camp 43, M. & M. R. R., two specimens 

 were sent by Mr. G. A. Waring from "the lower portion of the Rio. 

 Mossoro, Rio Grande do Norte," and four were sent from the Goeldi 

 Museum, one from the Igarape de Paituna near Monte Alegre, 

 Fazenda Ponto, two from the Rio Maccuru, and one from the Igarape 

 Pucii, Monte Alegre. 

 Ampullaria crassa Swainson. 



Zoological Illustrations, No. 28, tab. 136. 



Six specimens taken "in the water-filled stone holes in the drv bed 



