PSEUDACHATINA. 597 



Long, 78, diam. 32 niill. Ap. intus 33 niill. longa, 18 lala. 

 (Coli. Nr. 1.) 



Bulinus Wrightii Sow. Descr. of a new Bulinus, 1853 c. ic. 

 Bulimus Wrighti (Pseudachatina) Pfr. Vers. p 156. 

 Pseudachatina Wrightii H. et A. Adums Gen. II. p. 13 4. 



— — Shuttl. Notit. Malac. I. p. 90. t. 0. f. 1. 2. 

 llabitat iu ora occidenlali Africae. 



2. Ps. Dennisoni Pfr. 



T. ovato-conica, solidula, plicis validis distantijjus, nunori- 

 husque interjectis sculpta, sub epidermide decidua fulvida rosea, 

 pleruinque strigis triangularibus nigricantibus et fascia interrupta 

 suturali ornata; spira conica, apice obtusa, nigricans; sutura 

 undulata, non marginata; anfr. 7^^ modice convexi, ultimus 

 superne turgidus, infra medium subcarinatus, nigricans; colu- 

 mella compressa, alba, torta; apertura obliqua, sinuato-ovalis; 

 perist. tenue, brevitcr expansum, marg-inibus callo albo junctis. 

 — Long. 77, diam. 32 mill. Ap. 32 mill. longa, medio 18 lata. 

 (Mus. Cuming.) 



Pseudachatina Dennisoni Pfr. in Malak. Bl. IIL 1856. p. 257. 



Bulimus Doxcnesii var. Reeve Conch. ic. t. 29. f. 177''. 

 Habitat Gabon Africae occidentalis. 



3. Ps. Downesii Gray. 



«T. ovato-turrita, solida, grosse et crebre rugoso-plicata 

 (plicis irregulariter pustulosis), nitida, albida vel pallide rufe- 

 scens, basi castanea; spira elata, apice obtusa; anfr. 8 planu- 

 lati, ultimus % longitudinis paulo superans, obsolete angulatus; 

 sutura linearis, anguste marginata et crenata; columella crassi- 

 uscula. intorta, basi truncata; apertura lunato-ovalis; perist. 

 incrassatum, reflexo-patulum, carneum, marginibus callo tenui 

 ad basin columellae extus incrassato junctis. — Long. 65, diam. 

 30 mill. Ap. 28 mill. longa, 18 lata.» (Sh. — CoII. Nr. 2.) 



Bulinus Downesii Gray in Sow. Conch. III. Bul. f. 99. 



Achatina Leaiana Grat. Bord. XI. p. 416. t. 2. f. 7. 



— Downesii Pfr. Symb. I. p. 46. 



— — (Pseudachatina) Alb. Hehc. p. 192. 

 Bulimus Downesii Pfr. Mon. Helic. IL p. 15. IIL p. 301 excl. 



synon. Desli. 



— — Reeve Conch. ic. t. 29. f. 177*. 



— — (Pseudachatina) Pfr. Vers. p. 156. 

 Pseudachatina DownesiiH. ei A. Adams Gen. II. p. 13 4. t. 75. f. 1. 



— — Shuttl. Notit. nialac. I. p. 85. l. 9. f. 3. 4. 

 Habitat in insulis Fernando Po et Principis. 



