RECTOLEACINA. 143 



Length 28, diam. 11.6, aperture 17.7 mm. (Sagua). 



Length 25, diam. 9, aperture 15 mm., whorls 6%. 



Western Cuba: Rangel, Guane, Pan de Azucar, Sumidero 

 (Arango), Vinales, Sagua (Wright). 



Achatina cubensis ORB., in de la Sagra's Historia fisica, 

 politica y natural de la isla de Cuba, v, Moluscos, 1845, p. 87, 

 pi. 10, f. 17-19. Streptostyla cub en sis ARANGO, Fauna Mala- 

 cologica Cubana, p. 97. Achatina cubaniana ORB., in Sagra's 

 Histoire physique, polit. et nat. de Tile de Cuba, Mollusques, 



1. p. 166 (1853). PFR., Monogr., ii, p. 282.Spiraxis cu- 

 baniana PFR., Monogr., vi, p. 195. Streptostyla cubaniana 

 TRYON, Man. of Conch., i, p. 49. CROSSE, Journ. de Conchyl., 

 1890, p. 179. 



Orbigny changed the name of this species in the French 

 edition of the "Mollusks of Cuba," which is the one ordi- 

 narily used, and hence 'an erroneous form has become current. 

 The exact locality of the type was unknown. 



2. R. SUTURALIS (Pfeiffer). PI. 33, fig. 12. 



The shell is small, thin, greenish-corneous, with a reddish- 

 brown band bordering the suture below. The first two whorls 

 are smooth and glossy, the rest with inconspicuous sculpture 

 of fine growth-ripples and some fine, spaced, vertical grooves. 

 Length 11, diam. 4.7, aperture 6 mm. 



Cuba: near Matanzas, at the plantation El Fundador, on 

 the Canimar river (Pfr., type loc.) ; Cardenas; Organ moun- 

 tains (Arango). 



Polyphemus suturalis PFR., Archiv f. Naturg. 1839, p. 353. 

 Achatina suturalis PFR., Monogr., ii, p. 284 ; Conchyl. Cab., 

 pi. 18, f. 22, 23.Glandina s., Pfr., in PHILIPPI, Abbild. u. 

 Beschreib. n. Conch., i, p. 132, pi. 1, f. 7. 



3. R. EPISCOPALIS (Morelet). P. 33, figs. 14, 15, 16. 



Shell cylindric-fusiform, pale yellow-green. Nearly two 

 initial whorls are smooth ; then fine, regular, rounded vertical 

 folds, wider than their interstices, appear. On the penulti- 

 mate, or sometimes the next earlier whorl, these folds are 

 weak or obsolete on the lower part of the whorl, and on the 



