122 



V. Subfm. Cyclostomea Pfr. 



491. Gen. Lithidion Gray, 

 dcsciscens Pfr. Socotor. 



492. Gen. Otopoma Gray, 

 auriculare Gray, 

 clathratulum Kclz. Socotor. 

 clausuni Sow. Yemen. 

 Coquandianum Petit. Mdgscr. 

 haemastomum Ant. I. d. fr. 

 hinduorum Blfd. India. 

 Listeri Gray. Maurit. 

 multilineatum Jay. Mdgscr. 

 naticoides Reiz. Socotor. 

 Philippianura Pfr. Secheil. 



493. Gen. Cyclostomus Mft. 



albus Sow. 

 aminensis Pfr. 

 articulatus Gray, 

 asper Pot et M. 

 Banksianus Sow. 

 Barclayanus Pfr. 

 bicarinatus Sow. 

 Boivini Pfr. 

 Bronni C. B. Ads. 

 calcareus Sow. 

 campanulatus Pfr. 



Jam. 



Haiti. 



Rodrgz. 



Mdgscr. 



Jam. 

 I. d. fr. 

 Mdgscr. 



Jam. 



Mdgscr. 



canariensis = laevigatus. 



cariniferus Sow. Mdgscr. 



Chevalieri C. B. Ads. Jam. 



costulatus Zglr. Syria. 



crenulosus C. B. Ads. Jam. 



Creplini Dkr. Zanzbr. 



Cuvierianus Petit. Mdgscr. 



elegans Müll. Europ. 



euchilus Pfr. Mdgscr. 



glaueus Sow. Syria. 



Gpudotianus Sow. Katal. 



gratum Petit. Socotor. 



Habicin Weinl. Haiti. 



Hartwigianus Pfr. Afric. m. 



Harweyanus Sow. Mdgscr. 



Heinemanni Pfr. Cuba. 



Humphreysianus Pfr. Jam. 



Hydii Weinl. Bah am. 



Jayanus C. B. Ads. Jam. 



insularis Pfr. Maurit. 



Kraussianus Pfr. Natal. 



laevigatus Webb. Tenrff. 



V. canariensis ,, ., 



levis Pfr. I. Saloin. 



ligatus Müll. C. b. sp. 



Macareae Petit. Mdgscr. 

 madagascariensis Gray. ,, 

 melitensis = sulcatus. 



Cyclostomus Mft 



Micbaudi Grat, 

 modestus Petit, 

 multisulcatus 

 obsoletus Lm. 

 occlusus Mörch. 

 Olivieri Sow. 

 pulcbellus „ 

 pulcher Gray. 

 Bangelinus Poey. 

 rectus Gdlcb. 

 Bedtieldianus C. B. Ads. 

 retrorsus ,. 



Rollei Weinl. 

 saccatus Pfr. 

 saxorum Weinl. 

 siculus = sulcatus. 

 solidus Mke. 

 Sowerbyi Pfr. 

 sulcatus Lm. 

 V. melitensis Sow. 



Mdgscr. 

 Abdel G. 

 sulcatus. 



Mdgscr. 



Syria. 

 Mdgscr. 

 Secheil. 



Cuba. 



Jam. 



Haiti. 



Jam. 



Haiti. 



Afric. 



Hispan. 



Malta. 



„ multisulcatus Pot. Europ. m. 



„ siculus Sow. Sici). 



tectilabris C. B. Ads. Jam. 



thysanoraphe Sow. „ 



undulatus Sow. Maurit, 



Vescoi Morel ,, 



vittatus Sow. Mdgscr. 



xanthochilus Sow. ,, 



zanguebaricus Petit. Zangueb. 



494. Gen. Tudora Gray. 



495. Gen. Leonia Gray, 

 mamillaris Lm. Sevilla. 



VI. Subfm. Cistulea Pfr. 



496. Gen. Cistula Gray. 

 Agassizi Charp. Cuba. 



