EXPLANATION OF PLATES, VOL. 28. 217 



FIGURES PAGE 



7, 8, 9. Vertigo teilhardi Ping & Yen. After Ping 



and Yen 101 



10. Pupilla pseudocylindrica Ping & Yen, After 



Ping and Yen 136 



11. Pupilla alpicola Ch. = ciipa Jan. After 



Mermod 135 



12-14. Lauria hequaerti Pils. Cotypes 138 



15. Pupisoma bailyi Pils. Type. 156099 .... 116 



Plate 25. 



1. Columella ninagongonis Pils. Type 172 



2, 3. Lauria karisiinhiensis Pils. Type 170 



4, 5. Pyramidula rupestris jaenensis Cless. After 



Clessin 185 



6, 7. Pyramidula rupestris conoidea Bgt. (== var. 



seotaea Bgt. ) . After Bourguignat 185 



8, Pyramidula rupestris rupicola Stabile. Pisa. 



47692 185 



9, 9a, 96. Pyramidula rupestris Drap., typical. Grasse. 



47685 183 



10, 10a. Pyramidula rupestris saxatilis Hartm. 



Lausanne. 47684 184 



11, Pyramidula rupestris chorismenostoma Bl. 



& Wstl. Beotia. 47696 186 



12, 13. Pyramidula hierosolymitana Bgt. After 



Bourguignat 187 



14. Pleurodiscus sudensis Pfr. Akrotiri, Crete. 



153775 181 



15. Pleurodiscus halmei P. & M. Palermo. 



152807 179 



16. Pleurodiscus erdeli Roth. Beirut. 152808 180 



17. Pleurodiscus s. cypria Kob. After Kobelt. 181 



Plate 26. 



In this and next two plates, scales are collected at bottom 

 of page and represent .02mm. for figs, of radular teeth, .1 mm. 

 for radular transverse rows (T) and jaws, and 1 mm. for all 

 others. 



A, penial appendix. C, carrefour. D, vas deferens. E, epiphallus. 

 G, albumen gland. H, hermaphroditic duct. L, radular laterals. M, 

 radular marginals. O, ovotestis. P, penial trunk. PA, appendicular 

 arm. PE, epiphallar arm. PR, penial retractor. PT, prostate. R, 

 radular central. S, spermatheca. T, outline of radular transverse row 

 (right half). U, oviduct (uterus -f- free oviduct. UC, oviducal cul-de-sac. 

 V, vagina. X, atrium. 





