INDEX. 



Amesoda, 32 

 Batissa, 1, 9, 10, 12 



Cardium, 32, 59, 60 



Conques, 1 



Conqucsfluviatiles, 1 



Corbicula, iv, 1, 2, 3, 10, 11, 12 



Corbicula antiqua, iv, 9 



brasiliana, Desk. 7 

 chilensis, Prime, 70 

 couvexa, Desk. 3, 4 

 cor*data, Morris, 9 

 cuneata, Z)esA. 6 

 cuneiformis, iv 

 cytheriformis, M. fr E. 9 

 forbesii, iv 

 incrassata, Z&amp;gt;esA. 6, 7 

 limosa, DesA. 5, 14, 75 

 xnoreauensis, J/. $ H. 7, 

 nebrascensis, J/. $* H. 8 

 obsoleta, Z)esA. 4 

 occidentalis, M. fr H. 8 

 paranensis, Desk. 3, 4 

 perplexa. Prime, 75 

 rotunda, Prime, 4, 5* 

 semisulcata, Desh. 5, 6 

 truncata, Prime, 7 

 ventricosa, Prime, 3 

 woodiaiia, 2 



Corbiculadse, 1 



Cordula, 59 



Cornea, 32 



Corneocyclas, 32 



Cyanocyclas, 11 



Cycladacea, 1 



Cycladse, 1 



Cycladea, 1 



Cycladees, 1 



Cyclades, 1 



Cycladia, 1 



Ci/cladine, 1 



Ci/cl(tdites, 1 



(7&amp;lt;/c/as, 2, 9, 11, 32, 59 



Cyclas acuminata, Prime, 37 

 albula, Prime, 37 

 altilis, Anthony, 65 

 argentina, D Orb. 52 

 aurea, Prime, 35 

 bahiensis, Spix, 53 

 bulbosa, Anthony, 38, 39 

 calyculata, C. B. Adams, 51 

 calyculata, 51, 52 

 cardissa, Prime, 49 

 caroliniana, Bosc, 12 

 caroliniensis, Bosc, 12 

 castanea, Prime, 40 

 chilensis, D Orb. 70 

 ccerulea, Prime, 46 

 constricta, Anthony, 48 

 cornea, Lam. 37, 39, 46 

 crocea, Lewis, 49, 50 

 dentata, Hald. 40 

 detruncata, Prime, 48 

 distorta, Prime, 36 

 Jwftz a, Say, 62, 66, 67 

 eburnca, Anthony, 46 

 edentula, Say, 37, 38 

 elegans, C. B. Adams, 39 

 elevata, Hald. 45 

 emarginata, Prime, 43 



fabalis, Prime, 40 



flava, Prime, 43 



fontaineii, D Orb. 21 



formosa, Meek & Hayden, 5? 



fragilis, Meek & Hayden, 5S 



fuscata, Rafin. 38 

 gigantea, Prime, 34 

 gracilis, Prime, 48 

 inornata, Prime, 37 



jayensis, Prime, 47 

 lastnampsis, Rafin. 34 

 lenticula, Gould, 52 

 limosa, D Orb. 5 

 littoralis, Per. 54 

 maculata, Anton, 53 

 maculata, Morelet, 55 

 maritima, D Orb. 29 



( 17 ) 



