102 PROCEEDINGS OF THE MALACOLOGICAL SOCIETY. 



The fact that Hcude has fip^ured a particuLirly slender and small 

 specimen lias made it difficult to recognise this species. In reality au 

 original specimen in our possession (from Heude) shows alt. 33-5, 

 diam. max. 6-5 mm. as against alt. 27, diam. max. 4 mm. in his 

 diagnosis. Besides, he says in his description: "marquees de stries 

 nettes, regulieies _ et partout egales," whereas the species, like C. 

 pracelsa, Gredl., is so minutely stiiated that it is glossy, like silk, 

 and it would certainly be difficult to count the stria) with the 

 naked eye. 



If Gredler were right in considering this form a small variety 

 of his C. prcBceha, then the latter name would be a synonym of 

 6^ Filippina, Heude. The two are nearly related, but according to 

 the material before us they are specifically distinct.' 



C. praceha diifers from C. Filippina, H., in its larger size, and in 

 its whole form, which is more " turrito-cyliudratus " ; in its larger 

 aperture, which at the same time is more oblicjue and broader oval- 

 rhombic ; in its broader peristome being spread out flat ; in its obliquely 

 ascending, more angulated lamella inferior, and more exserted lamella 

 subcolumellaris, which is visible in front. The texture has been 

 quite correctly described by Gredler ; it is exactly the same as that of 

 C. Filippina, at least of the most abundant form of the latter. 



We would finally call attention to the fact that neither does Heude 

 in his description of C. Filippina mention anything about decollation, 

 nor does the type received from him show any tendency to decollate. 

 Our specimens are all decollated. 



3. Clausilia ADAiTCTA, Gredler. 



Gredler, Nachr. iil. d. d. Mai. Ges. 1889, p. 156. 



Leg. Yankowsky, one specimen from Ichang, province Hupeh, of 

 13i whorls, alt. 31-5, lat. 5*6, alt. apert. 6-5, lat. apert. 4*6 mm.; two 

 specimens from Chingping, province Hupeh, measuring alt. 34, diam. 

 max, 6, alt. apert. 7, lat. apert. 5-3 mm., 13 whorls, and alt. 28-5, 

 diam. max. 55, alt. apert. 6-2, lat. apert. 4-6 mm., 12 whorls. 



4. Clausilia Tetsui, n.sp. PI. VIII. Fig. 6. 



Gredler, Jahrb. d. d. Mal. Ges. 1884, p. 156 (C. Filippina, Gredl., 

 non Heude, ex typo !). 



Testa fusiformis, gracilis, tenuiuscula, cornco-fuscula, parum nitens ; 

 spira elongato-turrita ; apex acutus, non decollatus. Anfr. 12-13 

 convexiusculi, lentissime accrescentes, sutura impressa, albido leviter 

 filomarginata disjuncti, sat distanter costulato-striati, costulis obliquis 

 ca. 30-40 in anfractu penultimo, multo angustioribus quam inter- 

 stitia, ultimus subtus modice angustatus, basi rotundatus, \ altitudinis 

 testa) non aiquans. Apert. parva, subverticalis, parum obliqua, 

 exacte ovata; peristoma continuum, breviter solutum, expansum et 

 reflexum, callose fusculo labiatum, labio convexo ; lamella superior 

 verticalis, marginalis, cum spirali continua, inferior sigmoidea oblique 

 ascendens, intus arcu magno spiraliter torta, subcolumellaris subemersa, 

 fronte inspiciente distincte conspicua. Plica principalis longa, fere 



» Cf. footnote, Nachr. Bl. d. d. Mal. Ges. 1889, p. 156. 



