476 SPIRAXIS §. 4. 5. 



30. Dysoni Pfr., Shuitl. in Bern. Mittheil. 1852. 

 p. 2 08. [Achat. Dijsoni Pfr. Mon. N. 78. — Reeve 

 N. 99. t. 19.) Mon. II. p. 270. 



31. Sp. flavescens Shuttleworth. ^ 



T. oblongo-ovata, tenuis, nitidula, obsolele striatula, cor- 

 neo-albida, slriyis flavescentibus remotis ornata; spira conica, 

 obtusa; anfr. 6 planulati, uitimus ^/3 longitudinis aequans; su- 

 tura leviter crenulata; lamina columellaris basi abrupte trun- 

 cata; apertura angusta, subauriformis; perist. simplex, acutum, 

 flexuosum. — Long. 16, diam. 8 mill. Ap. 11 mill. longa, 

 medio 3 lata. (Sh.) 



Spiraxis flavescens Shuttl. in Bein. Mittheil. 1852. p. 20(3. 

 Habitat Cordova, Vei'a Cruz (Jacot-Guillarmod). 



32. Sp. lymneiformis Shuttleworth. •}* 



T. oblongo-conica, lenuis, striatula, pallide flavescenti- 

 cornea, strigis saturatioribus angustis nolala; spira conica, 

 elongata, obtusiuscula ; anir. 7 vix convexiusculi, ultimus spi- 

 ram paulo superans; plica columellaris tenuis, basi vix trun- 

 cala; apertura oblongo-subaurifoi-mis; perist. simplex, acutum. 

 — Long. 17, diam. 7 mill. Ap. 9 mill. longa , SVa lata. (Sh.) 

 Spiraxis lymneiformis Slmttl. in Bern. Mitiheil. 1852. p. 206. 

 Habitat Cordova, Yera Cruz (Jacot-Guillarniod). 



33. Sp. physodes Shuttlcworth. 



T. subfusiformi-oblonga , solidula, laevigata, nitida, fulves- 

 centi-albida ; spira convexo-conica , apice obtusiuscula; sutura 

 marginata; anfr. 6 vix convexiusculi, ultimus % longitudinis 

 aequans, basi parum attenuatus; columella lamina compressa 

 intorta muiiila, uon truncata; apertura angusta, sinuoso-oblonga ; 

 perist. simplex. rectum, margine dextro superne repando, me- 

 dio antrorsum dilatato. — Long. 13, diam. Sy^ mill. Ap. 7 

 mill. longa, medio 2 lata. (Mus. Cuming. ) 



Spiraxis phijsodes Shuttl. in Bern. Mitlheil. 1852. p. 207. 



Achatina physodes Pfr. in Chemn. ed. II. Bul. t. 26. f. 20. 21. 

 Ach. N. 4 8. 



Habitat Cordova, Vera Cruz (Jacot-Guillarmod). 



i^. 5. 



34. Sp. Richardi Pfr. 



T. ventroso-subfusiformis , teiiuiuscula, plicis confertis lon- 

 gitudinalibus, infra medium anfractus ultimi obsoletis, lineisque 

 spiraliiius coufertis undique sculpta, diaphana, corneo -fulva, 



