8 



longitudinis lormans, superne subangulatus, basi attenuatus, 

 carina compressa, introrsum elongata, periomphalum meclio- 

 cre cingente munitus; apertura parum obliqua, angusta; 

 plicae parietales 2 , superior dentiformis , altera compressa, 

 extus cariiiae contigua; plica coliimellaris simplex, obliqua, 

 valida, compressa, extus ad marginem porrecta ; perist. bre- 

 viter expansum, intus supra medium callo compresso, den- 

 tiformi, sinuose decurrente munitum. — Long. 11, diam. 

 max. 8 mill. Ap c. perist. 8 1/2 «lill- longa. (Coli. Benson.) 



Habitat Sincapore. (Bacon.) 



3. Melampus Sincapor ensis Pfr. 



T. imperforala, fusiformi-ovata, solidula, longitudinaliter 

 striatula et lineis punctatis spiralibus subdistantibus sculpta, 

 parum nitida, fusca, interdum fasciis pallidis signata; spira 

 convexo-conoidea, subacuminata ; sutura linearis, subregu- 

 laris; anfr. 7 planiusculi, ultimus ^/g longitudinis paulo su- 

 perans, superne turgidus, basi attenuatus, confertius spira- 

 liter striatus; apertura subverticalis, angustissima, basi non 

 dilatata; plicae parietales 3, superae 2 minutae, tertia valida, 

 transversa, alba; plica columellaris valida, obliqua, com- 

 pressa, extrorsum arcuatim in marginem basalem continuata; 

 perist. tenue, acutum, margine dextro plicis 3 transversis 

 profundis, denticulisque interjacentibus munito. — Long. 12^2» 

 diam. max. 71/2 mill. Ap. 10 mill. longa, 2^/3 lata. (Coli. 

 Benson.) 



Habitat Sincapore (J. S. Bacon). 



Literatur. 



The terrestrial air-hreaihwg Mollusks of the United Sta- 

 tes, and the adjaccnt territuries of North America : 

 described and ilhistrated by Arnos Binney. Edi- 

 ted by August as A, Gould. Boston 1851. 



Dieses schätzbare Werk, welches der Absicht des ver- 



