NEOBELISCUS. 283 



tractor; r. r., right retractor; r. t. r., right tentacular retrac- 

 tor; t. r., tail retractor. Fig. 8. Intestine and pallial region 

 slightly less than natural size. G 1 - 4 , first to fourth folds of 

 the intestine; g. ur., secondary ureter; H, heart; k, kidney; 

 p. v., pulmonary vein; st., stomach; ur., ureter. 



N. CALCARIUS (Born). PI. 36, figs. 73, 74. 



Shell imperforate, turrite, solid, yellow or brownish-yellow, 

 the last three whorls profusely streaked and suffused with 

 chestnut ; usually with some blackish growth-arrest streaks on 

 the last whorl; earlier four or five whorls whitish from loss 

 of the cuticle. Whorls 10, convex, the last 5 or 6 marked 

 with growth-lines and very finely striate spirally, the spirals 

 cutting the growth-stride into fine granules and festoons. 

 Earlier whorls very densely, sharply striate vertically in the 

 young, worn in the old shells. Aperture vertical, ovate, pale 

 purplish-blue inside. Columella vertical, straight, rounded, 

 with a reflexed and appressed outer edge. Parietal callus 

 very thin and transparent. Outer lip thin, acute. 



Length 106, diam. 32 mm. ; aperture 30.5 mm. 



Length 112, diam. 30 mm.; aperture 28 mm. 



Brazil: Prov. of Para, in woods (Spix) ; Caxaprego Island, 

 at the mouth of the Jagoaripe (Moricand) ; Province of Bahia 

 (v. Ihering) . 



Helix calcaria BORN, Testae. Mus. Vindobon, p. 389, pi. 16, 

 f. 13 (1780). Bulimus calcareus Brag., WAGNER, in Spix, 

 Test. Bras., p. 10. REEVE, Conch. Icon., v, pi. 52, f. 342. 

 DESK, in Fer., Hist,, ii, p. 112, pi. 142 A, f. 1, 2. - - PPR., 

 Monogr., ii, 151; iii, 395; iv, 455; vi, 94; Conchyl. Cab., p. 

 109, pi. 34, f. 4. HIDALGO, Journ. de Conchyl., 1870, p. 55.- 

 Neobeliscus calcareus PILS. & VAN., Proc. A. N. S. Phila., 

 1899, p. 366, pi. 15, f. 1, 2, 4-7; pi. 16, f. 9, 14 ( anatomy). - 

 Helix calcaria DILLWYN, Descr. Catal., ii, p. 948. Helix caxa- 

 pregana MORICAND, Mem. de la Soc. de Phys. et d'Hist. Nat. 

 de Geneve, vii, 1836, p. 426 (proposed as substitute for 

 Columna maritima Spix) . - - Columna maritima SPIX, Test. 

 Bras., pi. 10, f. 1 (1827). Bulimus maritimus DESH. in Lam., 

 An. s. Vert., viii, p. 250. Bulimus obeliscus POT. et MICH., 

 Galerie, i, p. 148, pi. 13, f. 17, 18. 



