18 



5G1. Sagenella bellilirata, Conrad. Ala. 



562. Sagenella texana, Conrad. Tex. 



Pleurotoniidae. 



563. Surcula acutirostra, Conrad. Ala. 



564. Surcula annosa, Conrad. N. Jer. 



565. Surcula alternata, Conrad. Ala. 



566. Surcula Beaumontii, (Zea) Conrad. Ala. 



567. Surcula biseriata, Conrad. Ala. 



568. *Surcula Claytonensis, Gahh. Cal. 



569. Surcula caelata, {Lea) Conrad. Ala. 



570. Surcula Childreni, {Lea) Conrad Ala. 



571. Surcula depygis, Conrad. Ala. 



572. Surcula Desnoyersii, {Lea) Conrad, Ala. 



573. Surcula Gabbii, Conrad. Tex. 



574. Surcula gemmata, Conrad. Ala. 



575. Surcula Kellogii, {Gahh) Conrad, Tex. 



576. Surcula lintea, Conrad. Tex. 



577. Surcula lirata, Conrad. Ala, 



578. Surcula mouilifera, {Lea) Conrad. Ala, 



579. Surcula no do-carinata, (6'a66) Conrad, Tex. 



580. Surcula nupera, Conrad. Ala. 



581. Surcula obliqua, (Lea) Conrad. Ala. 



582. Surcula rugosa, {Lea) Conrad, Ala. 



583. Surcula rugatina, Conrad. Ala. 



584. Surcula Sayi, {Lea) Conrad. Ala. 



585. Surcula subaequalis, Conrad, Ala. 



586. Surcula tabulata, Conrad. Ala, 



587. Surcula texana, Conrad. Tex. 



588. Surcula varicostata, {Gahh) Conrad. Cal. 



589. Drillia laevis, Conrad. ■ Ala. 



590. Drillia Lonsdalii, {Lea) Conrad. Tex. 



591. Drillia texana, {Gahh) Conrad. Tex. 



592. Moniliopsis elaborata, Conrad. Ala. 



593. Cochlospira engonata, Conrad. Ala. ; Tex. 



594. Conorbis conoides, Conrad. Ala. 



595. Exilia pergracilis, Conrad. Tex. 



596. Eucheilodon reticulata, Gahh. Tex. 



597. Scobinella ? crassiplicata, Gahh. Tex. 



598. Scobinella ? laeviplicata, Gahh. Tex. 



lUiiricidae. 



599. Murex engonatus, Conrad. Ala. 



600. Murex Mantelli, Conrad. ,Ala. 



601. Murex morulus, Conrad. Ala. 



602. Murex septenarius, Conrad. Ala. 



