O TROCHOMORPHIDJi. 



Trochomorpha lardea, Martens, Monatsber. Kon. Akad. Wiss. 



Berlin, 1864, p. 267 ; ibid.. Preuss. Exp. Ost-Asien, Zool. Theil. 



11^18(57, p. 251, pi. 13, fig. 5 ; Nevill, Hand List, i, 1878, p. 57. 

 Helix (Trochomorpha} lardea, Tryon. Man. Conch, ser. 2, iii, 1887, 



p. 83, pi. 16, figs. 93-95. 

 Trochomorpha ( Vidend] lardea, Kobelt, Abh. Senck. Naturf. Ges. 



xxiv, 1898, p. 54; Wiegmann, torn. cit. p. 415, pi. 26, figs. 24-34 



(anatomy). 



Original description: "Testa moclice umbilicata, depresse 

 conica, carinata, striatula, nitida, supra lineis spiralibus subtilibus 

 sculpta, castanea, zona suturali, carina et regione umbilicali 

 albidis ; spira altitudine varians ; anfr. 5|-6, convexiusculi, ultimus 

 peripheria carinatus et basi prope uinbilicum subangulatus, antice 

 baud descendens ; apertura diagonalis, securitornris ; peristoraa 

 rectum, acutum, margin e basal i arcuato. 



"Diam. maj. 13, min. 12, alt. 5-6, apert. long. 5. lat. 4 mill." 

 Hob. Nicobar Islands (StoliczJca, Roepstorff}. Malaysia : Ceram, 

 Buru, Amboina, Halmaheira. 



12. Trochomorpha pseudosanis, Fulton. 



Discus pseudosanis (Nevill), Godwin-Austen, P. Z. S. 1895, p. 442 



(nom. nud.). 

 Trochomorpha ( Vidend] pseudosanis (Nevill), Fulton, A. M. N. H. 



ser. 6, xx, 1897, p. 213, pi. 6, fig. 5. 



Original description: "Shell openly umbilicate, dark brown, 

 obliquely striated above and below; whorls 5|, slowly increasing, 

 suture with a narrow well-defined margin, last whorl sharply 

 keeled ; aperture oblique ; peristome scarcely thickened. 



" Maj. cliam. 13 rnillira., height 5 millim., width of umbilicus 

 4 millim." 



ffab. Andaman Islands : Port Blair. 



13. Trochomorpha sanis, Benson. 



Helix sanis, Benson, A. M. N. H. ser. 3, vii, 1861, p. 84; Hanley & 



Theobald, Conch. Ind. 1872, pi. 83, figs. 4 & 7. 

 Trochomorpha sanis, Nevill, Hand List, i, 1878, p. 56. 

 Helix (Trochomorpha} sanis, Tryon, Man. Conch, ser. 2, iii, 1887, 



p. 84, pi. 16, figs. 3, 4. 

 Discus sanis, Godwin- Austen, P. Z. S. 1895, p. 442. 



Original description : "H. testa mediocriter umbilicata, conoidea- 

 orbicuJata, depressissima, lenticulari, oblique subarcuati in striatula, 

 subgranulata, cornea ; spira partim elevata, conoideo-depressa, 

 a pice obtuso, sutura impressiuscula, marginata ; anfractibus 5J, 

 subplanulatis, ultimo carina mediana acuta utrinque compressa 

 munito, subtus convexiusculo; apertura obliqua, securif'ormi ; 

 peristomate recto, acuto ; umbilico int'undibuliformis. 

 " Diam. maj. ll, minor 10, axis 3| mill." 

 Hob. Andaman Islands : Port Blair (Nevill, Roepstorff). 



