508 STREPTOSTELE. 



4. ?Str. Nevilli (Ennca) H. Adams. 4- 



«E. tesla imperforata, subcylindrica, solidula, nitidula, ob- 

 solete longitudinaliter striata, albida; spira elongata, sursum 

 altenuata, apice obtuso, sulura marginala; anfr. 9, planiusculis, 

 ultimo basi rotundato; columella vix torta, callosa; apertura 

 verticali, subovali, antice leviter ascendente; perist. tenui, bre- 

 viler reflexo, margine dextro flexuoso, ad insertionem attenuato, 

 basali cum columella angulum obtusum formante. — Long. 20, 

 diam. 5 mill.; apert. 6 mill. longa, Sy^ lata. » (Ad.) 



Ennea (Elma) Nevilli H. Aclams in Proc. Zool. Soc. 1868. 

 p. 291. t. 28. f. 12. 

 Habitat in insulis Seychellis (G. Nevill). 



Obs. Cl. Auctor ipse declarat, species quas in subgenere Elma jun- 

 xit ad eandein sectionem pertinere, quam Dr. Dohrn nomine generico: 

 Streptoslclc designavit. Conf. Ennca Swinlioei H. Ad. (p. 499.) 



5. Morclctiana Dohrn. V. 458. — Ins. Principis. 



Genus fossile: 



Omphaloplyx Botlger. 



«Testa heliciformis, subrimata, in conulum acutum termi- 

 nata, superne costulata, subtus polita; anfr. 6^/2, leviter accre- 

 scentes, ultimus maximus, apertiiram versus vix coarctatus; 

 apertura parum obliqua, parva^ semilunaris; peristoma simplex, 

 aculum, margine columellari basi incrassato, perforationem le- 

 gente, plica parielali horizontali parva. » 



Omphaloptyx novum genus fossile Bottger in Ber. Senckonb. 

 • nat. Ges. (1873—1874) 1875. p. 64. 



«Testa certe terrestris structura et habitu superficiei non- 

 nuUas Enneae species, structura Streptaxi analogas comme- 

 morans. » 



Species imica: 



Omphaloplyx supracostaXa Bottg. 1. c. p. 64. — Lorzweilcr in 

 Hassia Rhenana. 



