2 0. F. von Mollendoiff — On a collection of Japanese Clausilise. [No. 1, 



parietal and subcolumellar plaits, i. e , lamella supera, infera, spiralis, suh- 

 columellaris ; while all the palatal ones are termed "^Z/cae." Of these 

 latter the long upper plait, in many species the only one, is called ^^ plica 

 principalis,''^ those above the principal are ^^ plicae suturales,^^ those below 

 it, ^^ plicae palatales.''^ 



Genus Clausilta, Drap. 

 Subgenus Phaedusa, H. and A. Adams. 

 a. Group of Clausilia Shatighaiensis. Pfr. =: Euphaedusa, Bottg., Claus. Stud. 

 1877, p. 57. 



1. Clausilia digonoptyx. 



1877. Clausilia digonoptyx, Bottger, Claus. Stud. p. 58. 



1878. Jahrb. D. Mai. Ges. v, p. 45, t. iii, f. 1. 



Syst. Verz. Claus. p. 54. 



1879. Jahrb. D. M G. vi, p. 108. 



— ^ — Kobelt, Fauna Jap. extramar. p. 69, t. 



viii, f. 17. 



The type from Kamatokogiro ; var. minor, diam. maj. 11^ mm., near 

 the same place. 



2. Clausilia tatt. 



1877. Clausilia tau, Bottger, Claus. Stud. p. 58. 



Nachrichtsbl. D. M. G. no. 6, p. 70. 



1878. Jahrb. D. M. Ges. vi, p. 46, t. iii, f. 2. 



—— Syst. Verz^ p. 54. 



1879. Jahrb. D. M. G. vi, p. 108. 



- Kobelt, Fauna Jap. p. 70, t. viii, f. 18. 



Very numerous at Kioto, Kobi, Nara, and other places in the island 

 of Nippon. 



3. Clausilia peoba. 



1868. Clausilia proba, A. Adams, Ann. & Mag. Nat. Hist. 4th ser. i. p. 471. 



aculus, E. von. Martens, Ostas. Landschn, p. 33, t. xxii. f. 



15 (nee Benson). 



1877. Bottger, Claus. Stud. p. 58 (ex parte). 



1878. Jahrb. D. M. G. v, p. 49, t. iii, f. 3. 



Syst. Verz. p. 54. 



1879. Kobelt, Fauna Jap. p. 71 t. viii, f. 19, 



1879. Clausilia proba, Bottger, Jahrb. D. M. G. VI, p. 108. 



Common at Nagasaki (where the species was likewise collected by 

 Professor llein) and at Utsonomda and Mamada. 



4. Clausilia hungkrfoediana, n. sp., PI. I, Fig. 1, 

 Testa sulrimata, fusiformis, pellucida, sericina, arcuatim striatula, 

 corneofusca, maculis alhis inteoTupte signata {quasi zehrina) ; anfr. 9 con- 

 vexiusculif suturd profunda disjuncti, ultimus rotundatus pone aperturam 



