HELIX-EUHADRA. Ill 



at its opening, nearly cylindrical within, and permitting one to see 

 the earlier whorls. (Heude.) 



Alt. 37, greater diam. 53, lesser 44 mill. 



Ning-guo-fu and Guang-de-dshou, province of An-hui, China. 



H. moreletiana HEUDE, Moll. Terr. Fl. Bleu, p. 38, t. 16, f. 1. 

 MLDFF. in Jahrb. D. M. Ges. 1884, p. 380. 



This is a large two-banded species, comparable to H. cecillei Phil. 

 It is said to be the largest Helix of Central China. 



H. PERCUSSA Heude. PL 24, figs. 86, 87, 88. 



Shell umbilicate, orbicular-conoid, thin but solid, shining, amber- 

 colored ; decussated by delicate oblique and concentric stria? forming 

 a latticed pattern ; spire obtuse, convex ; whorls 5i, convex, regularly 

 increasing, joined by a narrow, little deepened suture, the last whorl 

 large, very convex, with a mere suggestion of a carina, not deflexed 

 in front. Aperture very little oblique, oblong, lunar, sinuous ; per- 

 istome somewhat thickened, a little extended, erect, notably sinuous 

 at the extremity of the false-carina ; right margin short, the col- 

 umellar elongated and dilated at the base, covering some of the um- 

 bilicus. Umbilicus small, perspective. (Heude.') 



Alt. 19, greater diam. 30, lesser 26 mill. 



On Rocks of the Wu-tang Mts., Province of Hupe, China. 



H.percussa H., Moll. Terr. Fl. Bleu, p. 39, t. 16, f. 4, 1882. 

 H. BAIRDI H. Adams. PI. 31, fig. 28. 



Shell umbilicated, turbinate-depressed, solid, obliquely plicate- 

 striate, tawny, ornamented with a blackish-chestnut, yellow mar- 

 gined peripheral band. Spire short conoidal ; whorls 6, a little con- 

 vex, slowly increasing, the last descending in front ; umbilicus mod- 

 erate, profound ; aperture diagonal, ear-shaped-lunar ; peristome 

 brownish flesh-colored, expanded and narrowly reflexed, the mar- 

 gins remote, both the upper and the lower flexuous in the middle 

 and obsoletely tubercled, indented on the outside ; columellar mar- 

 gin dilated. (Ad.) Alt. 23, greater diam. 41, lesser 36 mill. 



Tamsui, Formosa. 



H. (Camcena) Bairdi Ad. P. Z. S. 1866, p. 316, t. 33, f. 3. 



H. BATANICA Adams & Reeve. PI. 27, figs. 11, 12. 



Shell sinistral, umbilicate, conoid-subglobose, rather solid, stri- 

 atulate, olivaceous-buff, 3-banded with chestnut ; spire conoid, apex 

 rather obtuse ; whorls 5, a little convex, the last rounded, scarcely 



