— 150 — 



59. Cyclostoiiia (Megalomastoma) verruculosuiii ShulU. 



n. sp. 



Testa breviter riniata , elongato-pupaeformis superne coiifer- 

 tim costulataj costulis in anfractu ultimo et penuUimo in ver- 

 rucas crcberrimas sensim solutis , nitidula, virldcscens, vel cor- 

 neo-fusca ; spira subcylindrica, superne sensim attenuata, apice 

 conico-obtusa , Ffcpe truncatula ; sutura profunda ; anfr. 7, con- 

 vexi , ultimus penuHirao vix angustior , ^,3 altitudinis jrquans vel 

 paulo superans, basi pone carinam funiformem eievatam pro- 

 funde sulcatus ', apcrtura vix obliqua , circularis ; perist. subdu- 

 plicatum, adnatum, continuum , incrassatum, vix cxpansiusculum. 

 Operculum ut in C. M. Antillarum. 



Alt. 16 ; Diam. 5 mill ; Apert. 31/2 niill. lata. 

 Hab, Sub truncis et foliis putrescentibus Musarum , ad Sierra 



de Luquillo, infrequens. 

 Obs. Species pulchra, C. 'AnliUarum Sovvb. affinis, sed forma, 



sculptura, et peristomate superne adnato non exciso, optime 



distincta. 



60. Cyclostoiiia (Choanopoma) decussatum Lara. 



Syn. Cydosloma decussaium Lam. Delessert Rec. tab. 

 29, f. 6. 



Hab. Propc San Juan, Aguas Claras, Ceiba, Humacao, et Lu- 

 quillo , ad saxa et arborcs sub foliis dclapsis ; rarissim'e 

 etiani in insula Vieque. 



Obs. A^arietas minor forsan tenuior propc Luquillo occurrit , et 

 altera , tesla carneo-flavida, fcre imniaculata prope Ceiba et 

 in insula Vieque. 



61. Cyclostoiiia (Choanopoma) sciiticosuiii Shultl. n. sp. 



Tesla angustc subperforata, ovato-conica, truncatula, rcgu- 

 laiitcr et argute clathrata et asperata , nitidula, lutco-rufescens, 

 lineis flexuoso-angulosis , rulis eleganter notata , basique fasciis 

 1 ad 2, angustis , rufis zonata ; spira ovoideo-attenuata ; sutura 

 papillis albis crenulata ; anfr. superst. 5, inferiores celeriter ac- 

 crescentcs, parum convexi , ultimus anticc breviter solutus; pe- 

 rist, duplex , album , internum vix porrectum , cxternum patens , 

 ad anfr. penultimum truncatum, superne breviter auriculato-pro- 

 dnctum. Operculum tenue cartilagineuni, lamelloso-spiratum, la- 

 mellis exstantibus , interdum testaceo-incrassatis , nucleo subcen- 

 trali. 



Alt. I7V2 > Diam. 85 Apert. fere 6 mill. longa, 5 lata. 

 Hab. Cum praecedente intermixtum rarius prope Luquillo , fre- 



qucntius in insula Vieque. 



