116 CYCLOPHOUID.i;. 



and upwards, not toucliing tlie penultimate whorl. Aperture 

 diagonal, circular, peristome double, both lips continuous, tlie 

 inner slightly expanded, curved back into a shallow angular sinus at 

 the suture, the outer expanded, and inverted upon the upper and 

 dextral margins, rising near the suture into a compressed wing, 

 which is attached throughout on the left side to the penultimate 

 whorl. Operculum horny, concave within, convex without, 

 flattened near the centre, 2 or 3 outer whorls furnished with a 

 free spiral testaceous lamelliform border. 



mm. inches.' 



" Major diameter 27 1-12 



Minor ditto 23 "92 



Height 10 -4 



Interior diameter of aperture... 8 -32" (Blanford.) 



Hah. India: Kimety Hills, near Vizagapatam, Madras Presidency 

 (Beddome) ; Granjam, Orissa (Brt^O- 



"The wing of Sp. beddomel is much more distinct, higher and 

 more pteroeycloid than that of Sj:). hispidnm ; the inner peristome 

 (which is deficient in the last-named species) is angularly sinuate 

 beneath the wing, but there is no approach to the deep, sub- 

 circular opening of the Indian species of Pleroojclos. . . . 



" The operculum has even more resemblance to that of Ptero- 

 ci/clos temiilabrahis, Metcalfe, than that of S'p. Jiispidum." 

 i^Blanford.') 



164. Pearsonia iDhamoensis, Theohcdd. 



Spiracidum hhamoensc, Theobald, J. A. S. B. xlv, part 2, 187G, 



p. 18(1 

 Pterocydus (Spiraculum) bhamoensis, Nevill, Hand List, i, 1878, 



p. 264. 

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



1902, p. 173. 

 Pearsonia bhamoensis, Kobelt, Coach. -Cab., Cyclophoridae, ii, 1913, 



p. 972. 



Original description: — "Testa depressa, aperto - umbilicata, 

 Apice elevatiusculo, sutura profunda, anfract. 4^ convexis, ultimo 

 juxta aperturam parum descendente. Epidermide tenui, leviter 

 striata, vix scabriuscula. Colore corneo-albesceute, fascia mediana 

 cincto, sti-igisque castaneis fulguratis picto, superioribus latis, 

 inferioribus autem (sive subfascialibusj angustis. Aliquando 

 uuicolore, corneo-straminea. Apertura obliqua magna. Peristo- 

 mate duplici, intus ad suturam angulato-inciso ; extra alam 

 linguiformem siibtubularem horizontalem atlnatam formante. 

 Tubulo suturali recurvato ab apertura 3 mm. distante. 



"Diam. max. 11-00, diam. min. 8"50, alt. 5*50 (-oris dlain.), 

 apertura 5-20 mm." 



Hah. Burma: Bhamo. 



" The nearest ally of this interesting form is S. avannm, W. Bl., 

 which it approaches in the recurved form of its sutural tube, but 



