326 The Molluscan Family Planorbidae 



PLATE 45 



Kidneys of Planorbidae 



1. Australorbis glabratus (Say). Puerto Rico. 



2. Carinifex pojisonbyi E. A. Smith. Klamath Lake, Oregon. 



3. Planorbula armigera (Say). Near Oshkosh, Wisconsin. 



4. H. tenue californiense F. C. Baker. Near Redlands, California. 



5. H. tenue californiense F. C. Baker. Section at B in fig. 4. 



6. H. tenue californie7i.se F. C. Baker. Section at A in fig. 4. 



7. Australorbis glabratus (Say). Section at E in fig. I. 



8. Australorbis glabratus (Say). Section at D in fig. I. 



9. Australorbis glabratus (Say). Section at C in fig. L 

 10. Australorbis glabratus (Say). Section at B in fig. L 

 IL Australorbis glabratus (Say). Section at A in fig. L 



12. Carinifex ponsonbyi E. A. Smith. Section near middle. 



13. Planorbula armigera (Say). Section near middle. 



14. Four spherical bodies from ridge of kidney. Greatly enlarged. 



15. Helisoma campanulatum wisconsinense (Winslow). Section through upper part. 



16. H. campanulatum. wisconsinense (Winslow). Section through middle. 



17. H. campanulatum wisconsinense (Winslow). Section through lower end. 



18. Planorbarius corneus (Linn.). Section through lower end. From Poland. 



19. Indoplanorbis exustus (Deshayes). Section near middle. From India. 



Line near figure indicates 1 mm. in length. Letters A, B, C, D, E, etc., 



indicate points of kidney through which sections have 



been made and are figured. 



