277 



Mem. Genev., pi. 3, f. 12, 13. 



Sowb. Gen., f. 2. is Melanopsis praerosa, Linn. 



Chemn. 10, pi. 210, f. 2082-83. Murex carioaus, Linn. 

 Fer. Monog., V. 1, p. 157. Melanopsis costellata, Fer. 



semigranulosa, Desh., 



Ohio, 



Sowb. Gen., f. 3. 

 Mem. de Genev., pi. 4, f. 10, 11 

 Chemn. 11, pi. 210, f. 2080-81 

 Desh. Ex. Morea, p. 153. 

 Fer. Monog., p. 160, No. 10. 

 Guer. Icon., pi. 13, f. 14. 

 Dillw. Cat., 2, p. 949. 

 Gmel., p. 3603. 

 Sowb. Gen., f. 2. 

 Delessert, pi. 31, f. I, a, b. 

 Ency. Meth., pi. 458, f. 8. 

 Griff. Cuvier, pi. 13, f. 4. 



Sowb. Gen., f. 2. 

 Oliv. Voy., pi. 17, f. 8. 

 Ency. Meth., pi. 458, f. 8. 

 Sowb. Gen., f. 5. 

 Ency. Meth., 2, p. 438. 



Melania costata, Oliv. 



is Anculotus creno-carinatus. 



fossil. 



Pirena spinosa, Lam. 

 Helix cuspidata, Dillw. 

 Buccinum flumineum, Gmel. 

 is Melanopsis praerosa, Linn. 

 Pirena granulosa, Lam. 

 is Melanopsis praerosa, Linn. 



Buccinum praerosum, Linn. 

 Melania Buccinoidea, Oliv. 

 Melanopsis laevigata, Lam. 

 Melanopsis fusiformis, Sowb. 

 is Melania nupera, Say. 



GENUS 1.0. Lea. 



6562 fusiformis, Lea, 



6 563 " var., 



6564 spinosa, Lea, 



6565 " var., 



Tennessee, 

 Tennessee, 



Trs. Am. Ph. S.,4, pi. 15, f. 37. 

 Trs. Am. Ph. S., 5, pi. 19, f. 79. 



CLASS. GASTEROPODA. 



ORDER. PECTINIBRANCHIATA. 

 FAMILY PERISTOMATA. 



GENUS VALVATA. Muller. 



carinata, Sowb., 



6566 cristata, Mull., 



6567 " var., 



6 New York, Sowb. Gen., f. 2. is Valvata tricarinata, Say. 



2 Europe, Sch. et Wagn., pi. 235, f. 4136. 



France, Drap., pi. 1, f. 34, 35. Valvata planorbis, Drap. 



