92 HELIX §. 32. 



bilicus conicus, '^/j diametri subaequans; apertura diagonalis, 

 lunalo-rotundata; pcrist. siniplex, rectum, marginibus conver- 

 gentibus, columellari subpatulo. — Diam. maj. 17, min. 15, alt. 

 9 mill. (CoII. Nr. 242.) 



HeUx infecta Parreyss in sched. 



— — Pfr. in Malak. Bl. IV. 1857. p. 86. 



Habitat in Canada teste Parreyss. 



Obs. Differt ab affini H. allernata Say testa minore, tenuiter co- 

 stiilyto-striala, ab H. strigosa Gould spira elatiore, anfractu ultimo non 

 (lescendente, etc. 



* * * ' 



562. ptychomphala Pfr. (Proc. 1851. p. 234. — Bv. 

 n. 760. t. \-U. — Ch. ed. nov. III. p. 374. — 

 Patula Pfr. Vers. p. 126. — //. ptycomphala Forb.) Mon. III. p. 98. 



563. H. confusa Pfr. 



T. umbilicata, conoideo-semiglobosa, tenuiuscula, confertim 

 striata et irregulariter spiraliter subsulcata, glutinosa, fulvo-Iutea, 

 castaneo-radiata; spira breviter conoidea, obtusa ; anfr. iy^, 

 ultimus latus, obsoletius striatus, supra peripheriam subimpres- 

 sus, antice non descendens, basi convexus, laevior; umbilicus 

 perspectivus , V,; diametri aequans, intus concolor, slriatus; 

 apertura fere diagonalis, truncato-ovalis, intus margaritacca; 

 perist. simplex, rectum, margine columellari superne subdila- 

 lato, patente. — Diam. maj. 35—39, min. 28 — 32, alt. 17—18 

 mill. (Mus. Cuming.) 



Helix confusa Pfr. in Proc. Zool. Soc 1855. p. 112. 



— — (Patula) Pfr. Vers. p. 126. 



p. Fusca, paruni nitida, anfractu ultimo distinctius striato. 

 llabitat « Cape Upstart» Australiae, nec non « Wide Bay » 

 (Stutcbbury). 



Obs. Differt ab affini H. ptycliomphala striis rectis (in iila undulalis), 

 anfractu ultimo latiore, subdepresso, fere laevigato, umbilico concolore 

 (in illa castaneo, fascia lutea circumdato) etc. 



564. Strangei Pfr. {Ev. n. 416. t. 79. — Patula Pfr. 



Vers. p. 126.) Mon. III. p. 98. 



565. H. buUacea Pfr. 



T. umbilicala, convexo-depressa, tenuis, superne confer- 

 tissime capillaceo-striata, sericea, pellucida, pallide cornea; 

 spira vix convexa, verticc subtili; sutura simplex , impressa; 

 anfr. 4 celeriter accrescentcs, convexiusculi ; ullimus anlicc non 

 desccndens, peripheria rotundatus, laevigatus, basi convexus, 

 radiato-strialus, corneo-virens; umbilicus mediocris, conicus; 



