... Cyrena regalis , Prime . 25. Cyrena meridionalis , Prime . 18 2 19 3 19 20 20 21 5 30. Cyrena acuta , Prime . 6 21 26. Cyrena ordinaria , Prime . 27. Cyrena nitidula , Desh . 28. Cyrena placens , Han . 1. Corbicula convexa , Desh . 2 ...
In the face of such a threat, there stand the Knights of Cyrena, a historic group of defenders; and this present-day class of Knights stands against the greatest threat of all.
... Cyrena meridionalis , Prime . PAGE 18 19 19 20 20 4 29. Cyrena fontaineii , Orb . 21 5 30. Cyrena acuta , Prime , 21 1. Corbicula convexa , Desh . 3 26. Cyrena ordinaria , Prime . 2. Corbicula paranensis , Desh . 3 27. Cyrena nitidula ...
... Cyrena meridionalis , Prime . 8. Corbicula perplexa , Prime . 75 33. Cyrena panamensis , Prime . 24 9. Corbicula truncata , Prime . 734. Cyrena recluzii , Prime . Sphærium , SCOPOLI . 17 50. Sphærium sulcatum , Lam . 33 17 51. Sphærium ...
... Cyrena meridionalis , Prime . Sphærium , SCOPOLI . 17 50. Sphærium sulcatum , Lam . 33 17 51. Sphærium aureum ... Cyrena ordinaria , Prime . 27. Cyrena nitidula , Desh , 28. Cyrena placens , Han . 29. Cyrena fontaineii , Orb . 30. Cyrena ...
Smithsonian Institution. 2 56. Cyrena maritima , Adams . P. 57. Cyrena mexicana , Sowb . 58. Cyrena moreauensis , Meek & Hayden . F. 59. Cyrena nebraskensis , Pr . F. 60. Cyrena occidentalis , Meek & Hayden . F. 61. Cyrena olivacea , Cpr ...
... Cyrena , pl . XIX , fig . 111 . 1877. Cyrena ceylonica Clessin in Martini - Chemn . , Conch . - Cab . ( N. F. ) , IX , ( 3 ) , Cycladeen , p . 102 , pl . XVII , figs . 1 , 2 , pl . XVIII , figs . 1 , 2 . 1878. Cyrena ceylonica Kobelt ...
... Cyrena regalis , Prime . 25. Cyrena meridionalis , Prime . 2 26. Cyrena ordinaria , Prime . 27. Cyrena nitidula , Desh . 1. Corbicula convexa , Desh . 3 2. Corbicula paranensis , Desh , 3 3. Corbicula obsoleta , Desh . 4 28. Cyrena ...
... Cyrena maritima , Adams . P. 57. Cyrena mexicana , Sowb . 58. Cyrena moreauensis , Meek & Hayden . F. 59. Cyrena nebraskensis , Pr . F. 60. Cyrena occidentalis , Meek & Hayden . F. 61. Cyrena olivacea , Cpr . C. A. 62. Cyrena panamensis ...