16 ENDODONTIDJS. 



peristome rather thickened ; columellar margin slightly oblique, 

 not reflected. 



" Major diain. 2-7, alt. axis 1-3 mm." 



Sab. Andaman Islands : Little Brother Island (Nevill) Batte 

 Malve. 



The shell shown in fig. 12 of plate 10 of Moll. India, from Batte 

 Malve, was sent to Lt.-Col. Godwin- Austen by Nevill from 

 the Indian Museum, Calcutta, as no. 206, Sagdinella didrichsenii, 

 Morch, with a note attached, " I doubt it being this species." 

 He found that it agrees well with typical subbilirata from Little 

 Brother, except that the shell was not so well grown, and the 

 apex natter. 



26. Philalanka?liratula, Pfeiffer. 



Helix liratula, Pfeiffer, P. Z. S. I860, p. 135 ; ibid., Malak. Blatt. 



vii, 1860, p. 234 ; Hanley & Theobald, Conch. Ind. 1875, pi. 150, 



figs. 5, 6. 

 Nanina (Thalassia) liratula, Pfeiffer & Clessin, Nomencl. Helic. 



Viv. 1881, p. 47. 

 Charopa ( Thalassici) liratula, Tryon, Man. Conch, ser. 2, ii, 1886, 



p. 215, pi. 63, figs. 74, 75. 



Original description : " T. umbilicata, trochiformis, tenuiscula, 

 striata et liris filiformibus subconfertis cincta, diaphana, oleoso- 

 micans, pallide corneo-lutescens ; spira conica, apice obtusa ; 

 sutura impressa ; anfr. 7^, convexiusculi, ultimus angulatus, non 

 descendens, basi laBvior, convexior; apertura vix obLqua, sub- 

 angulato-lunaris ; perist. simplex, rectum, marghie columellari 

 declivi, juxta umbilicum perangustum subdilatato. 



"Diam. maj. 6, min. 5^, alt. 4 mill." 



Hob. Ceylon (Thivaites). 



Placed here provisionally with some doubt as to its systematic 

 position. 



27. PMlalanka homfrayi, Godwin-Austen. 



Sitala homfrayi, Godwin-Austen, P. Z. S. 1895, p. 448, fig. A. 



Original description : " Shell dextral, pyramidal, turreted, flat 

 on base, imperiorate ; sculpture coarse transverse striation, with 



Fig. 2Philalan7ca homfrayi, x 12. (From P.Z.S.) 



two ribs on the periphery and fine spiral close ribbing on the 

 apical whorls ; colour horny grey ; spire conic ; apex blunt and 

 papillate ; suture shallow ; whorls 4^-, sides angulate, a strong 

 raised rib on the periphery of the last whorl, and another similar 



