PTEROCYCLOS §. 3. 4. 43 



13 nanus Bens. (Coll. 53. — llceve t. 3. 1'. 12. 232. 



— India.) Pncum. II. p. 31. 



14. parvus Pears. (Coll. 54. — Keeve t. 3. f. 15. 233. 



— India.) - - - 31. 



15. pullatus Bens. (/?ee^7et. 3. f. 16. — Birmania.) - - - 31. 234. 



16. Cetra Bens. (Reeve t. 3. f. 11. — Birmania.) - - - 32. 235. 



17. ? Pt. Batclaianensis Reeve. -[- 236. 



,,Pter. testa perampliter aperte umbilicata, subdiscoidea, 

 fuivo-castaneo tincta et undata, anfractibus rotundatis, dense 

 striatis, superne obscure spiraliter liratis etmalieatis; apertura 

 parviuscula, sinu sublate dilatato." (R.) — Diam. maj. 23, 

 alt. 11 mill. (ex. ic.) 



Pterocyclos Batchkincnsis Recve Gonch. ic. sp. 6. t. 2. 



Habitat in insula Batchian. 



§. 4. 



18. Blandi Bens. f (Recve t. 2. f. 7 ? — Pulo 237. 



Penang.) Pneum. II. p. 32. 



19. Troscheli Bens. f (Ceylon.) - - - 32. 238. 



V. Alycaeus Gray. 



Pfr. Mon. Pneum. p. 119. Suppl. p. 32. Conf. Bens. in 

 Ann and Mag. nat. hist. Mart. 1859. p. 17(3, quo duce genus 

 permultis novis speciebus ampHatum in tres sectiones divi- 

 diinus, et W. T. Blanford in Ann. and Mag. nat. hist. 

 Jun. 1864. -'0 



A. Alycaeus. Anfractus uUimus subre- 

 mote ab apertura constrictus , ad 

 utrumque constrictionis tumidus. 



a. Subpyramidales ..... 



b. Globoso- vel ovato-conici 



c. Subtrochiformes ..... 



d. Conoideo-depressi .... 



B. Charax'"''"^) Bens. Constrictio lata 



§. 1. Nr. 1— 5. 



§. 2. Nr. 6-10. 



§. 3. Nr. 11-12. 



§. 4. Nr. 13—22. 



*) Animal speciei alicujus ab A. Adams in Ann. and Mag. nat. hist. 

 1861. 3d ser. VII. p. 196. decriptum invenies. 

 *'•) ;ifa'?a|, palus, vallus. 



