118 CTCLOPHORlD^. 



The ouly other species possessiug a second tube is >S'. mastersi, 

 figured in the Concli. ludica, pi. v, fig. 1, but not described. 

 In that species, however, the last whorl towards the mouth is 

 free and the peristomial tube less complete thougli longer tlian in 

 the present form." (TJieohalcl.) 



Nevill considered this form to be a mere variety of P. gordoni. 



This is another species which lias not previously been illustrated. 

 The accompanying figures are from a specimen iu the Bi'itish 

 Museum. Its measurements are : Diam. maj. IS'5, min. 15, alt. 

 6*75 mm. 



166. Pearsonia hispida, Pearson. 



Spiraculum hispidum, Pearson, J. A. S. B. ii, 1833, p. 592; Blanford, 



J. A. S. B. xxxii, 1863, p. 3:20 ; Pleilier, Mon. Pueum. Siippl. 3, 



1875, p. 47; Theobald, Cat. Shells Brit. India, 1876, p. 38; 



Godwiu-Austeu, J. A. 8. B. xlv^ part '2, 1876, p. 175, pi. 7, tig. 1 



(sutural tube). 

 Pterocyclos hispidus, Benson, J. A_. S. B. v, 1836, p. 355 ; id., 



A. M. N. H. ser. 2, i, 1848, p. 346; Gray, Nomencl. Moll. Brit. 



Mus. 1850, p. 12; Pfeitier, Zeits. Malak. viii, 1851, pp. 8,136; 



id., Mon. Pneum. 1852, p. 46; Theobald, J. A. S. B. xxvii, 1868, 



p. 317 ; Pfeiffer, Cat. Phaueropu. Brit. Mus. 1852, p. 28 ; 



id., Couch.-Cab., Cyclostomaceen, 1853, p. 231 ; Cheuu, Man. 



Conchyl. i, part 2, 1860, p. 486, tigs. 3588, 3589 ; Reeve, Couch. 



Icon, xiv, 1863, Pferucyclos, pi. 5, tig. 26. 

 Pterocyclos {Spiraculum) hispidus, Adams, Gen. Rec. Moll, ii, 



1855, p. 278 ; Hanley & Theobald, Conch. Ind. 1870, pi. 5, fig. 4. 

 Pterocyclus {Sjjiraculum) hispidus, Nevill, Hand List, i, 1878, 



p. 263. 

 Spiraouluvi (s. str.) hispidum, Kobelt & M Ollendorff, Xachr. Deuts. 



Malak. Ges. xxix, 1897, p. 114; id.. Cat. Pneum. 1899, p. 26. 

 Pearsonia {Pearsonia) hispida, Kobelt, Das Tierreich, Lief. 16, 



1902, p. 173. 

 Pearsonia hispida, Kobelt, Conch.-Cab., Cyclophoridae, ii, 1911, 



p. 765, pi. Ill, figs. 1-3. 

 Cyclostoma spiracidum, Sowerby, Thes. Conch, i, 1843, p. 110, 



pi. 31, tigs. 270-272. 

 Steganotoma jn-incepsi (v. d. Busch), Pbilippi, Abbild. Conch, i, 



1844, p. 106, Cyclostoma, \i\. 1, tig. 6. 

 Pterocyclos 2)rincepsi, Gray, Nomencl. Moll. Brit. Mus. 1850, p. 12. 

 Pterocyclos pri7icepi, Pfeiffer, Zeits. Malak. iv, 1847, p. Ill; id., 



Couch.-Cab., Cyclostomaceen, 1849, p. 195, pi. 24, figs. 7-10. 



Oriijinal descrij}tlon : — "Shell white, subdiaphauous, upper sur- 

 face of the body-whorl slighty patched with rufous. Epidermis 

 dark brown, covered with short, bristly hairs, which at the outer 

 and under side of the whorl are placed thickly together, giving an 

 appearance to the shell of its being zoned with three narrow dark 

 lines ; whorls five, breathing tube one line in length, conical, 

 compressed, pointing backward and inward ; mouth circular, lip 

 thickened and reflected. 



" Diameter 1 inch. 



