EXPLANATION OF PLATES, VOL. XXV. 



Except when otherwise stated, the figures were drawn 

 from specimens in the Academy of Natural Sciences. Those 

 marked B. M. after the museum number are in the Bishop 

 Museum, Honolulu. 



PLATE 1. 



FIGURE PAGE 



1. Chondrina megacheilos C. & J. Milan. 22754 7 



2. 3. Chondrina megacheilos C. & J. Como. 3843 7 



4, 5. Chondrina avenacea Brug. Metz. 22776 10 



6, Chondrina avenacea Brug. Sicily. 22769 10 



7, 8. Chondrina a. clienta West. Herkulesbad, Banat. 



66045 15 



9, 10. Chondrina a. riviana Schr. Riva. 101617 18 



Fig. below 7. Chondrina a. duplicata Kiister. After 



Kiister . . . 14 



Fig. below 8. Chondrina subhordeum West. After Kiis- 

 ter 13 



11. Chondrina cereana Kiist. After Kiister 21 



12. Chondrina apuana Iss. After Del Prete 15 



13, 14. Chondrina oligodonta Del Pr. After Del Prete. . 19 



15. Chondrina cianensis Caz. After Caziot 20 



PLATE 2. 



1, 2, 7. Chondrina bigorrwmsis Ch. Bigorre. 22762 29 



3. Chondrina bigorriensis Ch. After Des Moulins 29 



4. Chondrina tenuimarginata Des M. Pyrenees. 3894. . 31 



5. Chondrina tenuimarginata Des M. After Des Moulins. 31 



6. Chondrina t. elongatissima Des M. After Des Moulins. 32 



8, 9. Chondrina b. moquiniana Kiist. After Kiister .... 30 

 10-12. Chondrina arigonis Rm. After Rossmaessler .... 34 

 13, 14. Chondrina goniostoma Kiist. After Rossmaessler. 33 

 15, 16. Chondrina g. juliensis Bgt. After Bourguignat . . 34 

 17, 18. Chondrina arigonis Rm. Pego. 22792 34 



PLATE 3. 



1. Chondrina arigonis Rm. Catalonia. 114976 34 



(381) 



