DISTRIBUTION. NON-MARINE. 1 5 



13. Mexican Region. 



Mexican Region :— Land opercukta ; Bland (14): Inoperculata ; Bland 



Mexico :— N. spp. of Cylindrella and Vivipara ; Binney (9) : N. spp. of 

 Cylindrella and Helix; Gabb (99): Planorhis herendtii, n. sp. ; Tryon 

 (204) : Limncm palmeri, n. sp. ; Dall (96). 



Lower California :— Notes on shells, with n. spp. of Bidhmis, Cylindrella, 

 and Helix; Gabb (102). 



Panama and Costa Rica, borders of:— N. spp. of Bulitnus and Tor- 

 natellina; Tate (186). 



Nicaragua: — Land and freshwater shells, with n. spp. of Helix, 

 Krynickia, Planorhis, Tebennophorus, and Tornatellina ; Tate (186) : 

 Helix hridgesi, n. sp. ; Tryon (215). 



14. Caribbean Region. 



Caribbean Region: — Review of land operculata, with distribution; 

 Bland (14): Inoperculata; Bland (16). 



Bonaire : — Notes on land shells ; Bland (18). 



Cuba : — Planorhis esperanzensis, n. sp. ; Tryon (204). 



Curagao: — Notes on land shells; Bland (18). 



Dominica: — Notes on land shells; Bland (18). 



Grenada: — Notes on land shells; Bland (18). 



Navassa L : — N. spp. of Chondropoma, Helicina, and Helix ; Tryon 

 (216). 



Trinidad :— Notes on land shells; Bland (18): Notes on non-marme 

 shells, with n. spp. of Ancylus, Autonoe (n. gen.), Blandiella (n. gen.), 

 Bidiminus, Hyalinia, and Planorhis; Guppy (120). 



/. Neantarctic Zone. 



15. American Region. 



American Region: — ^Land shells; Bland (14, 16): Land shells; Tryon 

 (211): T)\iitYihvitioxi oi t\ie Strepomatidce ; Tryon (192). 



United States : — Review of Binney's ' Land and Freshwater Shells. 

 Part in.' ; Lewis (128) : Catalogue of Physa ; Tryon (193) : Synonymic 

 catalogue of species of Limneea ; Tryon (198) : Monograph of Strepo- 

 matidce; Tryon (201): Habitat of several spp. of Physa; Tryon (203). — 

 Shells of the Holston River, with critical notes, and Anculosa tryoni, 

 n. sp. ; Lewis (135): Review by Tryon (225). — Lake Erie: Succinea 

 higginsi, n. sp. ; Bland (17). — Lakes Erie and Champlain: Goniohasis 

 haldemani, n. sp. ; Tryon (188). — Indian Territory: N. spp. of Helix; 

 Bland (17). — Alabama: Pleurocera conradi, n. sp. ; Tryon (188): Me- 

 lantho decampi (Currier), n. sp. ; Binney (9): N. spp. of Anculosa and 

 Unio; Conrad (50): N. spp. of Physa and Pleurocera; Tryon (203): 

 Shells of Coosa River; Lewis (133). — Arizona: N. spp. of Helix and 

 Pupa; Gabb (101): — White Pine Mining District: Helix hemphilli, n. sp.; 

 Newcomb (149). — Colorado Desert: Tryonia clathrata, n. gen. and sp. ; 

 Stimpson (184). — Connecticut: N. spp. o{ Lymncea and Planorhis; Tryon 

 (208). — Florida: Unio rivicolus, n. sp. ; Conrad (66): Vivipara waltonii, 

 n. sp. ; Tryon (207) : Unio prasinatus, n. sp. ; Conrad (50). — Georgia : 

 Occurrence of Olandina trxmcata ; Tryon, iii, p. 207 : N. spp. of Gonio- 

 hasis and Euryccelon; Tryon (203). — Idaho: Helix idahoensis, n. sp. ; 

 Newcomb (146). — Illinois: Land and Freshwater shells of Fulton Co.; 



