NORTH AMERICAN SHELLS. 



19 



FAMILY PALUDINID^. 



GENUS MELANTHO. 



1525 M. ponderosa, Say. Tennessee if) 



1526 M. Integra, Say. Minnesota 10 



FAMILY AMPULARID^. 

 GKNU.S AMPliIv.\RIA. 



Subgenus Podius. 



1527 P. caligiuosus, Rve. I'^lorida 25 



FAMILY LIMN.'FJD^. 



GENUS I.,IMN^A. 



1528 L. stagnalis, Linn. Minnesota 15 



1529 L. " var. appressa, .Say. Utah — 15 



1530 L. " var. occidentalis, Hemphill. 25 



1531 L. columella, Say. (xcorgia 15 



GENUS RADIX. 



1532 R. ampla, Migliels, Idaho 15 



1533 R. " var. Washington 15 



1534 R. " var. California 15 



GENUS rjMNOPHYSA. 



1535 L. catascopium, Say. Oregon 5 



1536 L. " var. California 5 



1537 L. " var. Washington 5 



1538 L. " var. bnlimoides? Lea. lUali.. 5 



1539 L. " var. passing into the next... 5 



1540 L. caperata. Say. Washington 5 



1541 L. " var. Minnesota 5 



1542 L. " typical, Utah 5 



1543 L. humilis. Say. Oregon 5 



1544 L, proxima, Lea. California 5 



1545 L. desidiosa. Say, Utah 5 



1546 L. var. Washington 5 



1547 L. var. Wyoming 5 



1548 L. var. acuta. Lea. I'tah.. 5 



1549 L. palustris, var.Nuttalliana.Lea.Utah 5 



1550 L. " var. Cal. 5 



1551 L. ', var. Idaho 5 



1552 L. " var. nrmbrosa, Say, Utah.. 5 

 •553 Lr. " var. tial 5 



1554 L. " var. clodes, Say. Utah. 5 



1555 L. " var. " Say. Ore 5 



1556 L. " var. expansa, Hald, Cal. 5 



1557 !'• " var. reflexa, Say. Minn. 5 

 155S L. " var. " Say. " 3 



1559 I'- " var. " vSay. " 5 



1560 L. " var. attenuata. " 5 



1561 L. " var. Zebra, Tryon. " 10 



1562 L. " var. Kirtlandiana, Lea. 



Utah 10 



GENUS PHVSA. 



1563 P, Gabbi, Tryon. California, Oregon 10 



1564 P. Carltonii, Lea. California 10 



1565 P. ampullacea? Gld. Idaho 10 



1566P. Sayi? Tappen. Utah 5 



'567 P- gyrina, Say. California 5 



156S P. " small, Washington 5 



1569 P. heterostropha, Sa}-. Oregon, Utah. 5 



1570 P. " var. malleata, Tryon. Cal. 5 



1571 P. " var, febegera, Lea. " 5 



1572 P. " var. i)enicillata, Hemphill. 



California 5 



'573 t"- " var. Traskii, Tryon. Cal... 5 



1574 P. " var. Virginia, Old. " ... 5 



1575 P- " var. occidentalis,Tryon.Cal. 5 



1576 P. " var. elliptioa, Lea. Wash'n 5 



GENUS PHYSA. (Continued.) 



1577 P. heterostropha, var. Warreniana, 



Lea, Oregon... 5 



1578 P. " var. brevispira, Lea. Idaho 5 



1579 P. " var. D'Orbigneyi, Tryon. Cal 5 



1580 P, " var. distinguenda, Tryon. 



California 5 



1581 P. " var. ancillaria, Say. Idaho 5 



1582 P. " var. sparsestriata, Tryon. 



California 5 



1583 P. " var. niagarensis. Lea. Cal.. 5 



1584 P. integra, Hald. California and La... 5 



1585 P. " var. Idaho 5 



1586 P. Cooperi, Lea. California 5 



1587 P. costata, Newc. '" 10 



GENUS BULIN/S. 



1588 B. hypnorum, Linn. Utah 5 



1589 R. " var. Tryonii Currier, Utah.. 10 



SUBGENUS I'HVSKM.A. 



1590 p. globosa ? Hald. Idaho 10 



1591 P. Columbiana, Hemphill. Oregon... 10 



SUBFAMILY POMPHOLIGIN.^i. 



GENUS POMPHOIA'X. 



1592 P. effusa. Lea. Oregon 20 



1593 1^ " var. " 20 



1594 P. " var. costata, Hemphill, Or.. 20 



1595 P- " var. solida, Dall. Nevada.... 20 



SUBFAMILY PLANORBIN^. 



GENUS PI, A NOR R IS. 

 Whorls subcarinated above and below. 



1596 P. trivolvis, var. amnion, Gld. Calif... 25 



1597 P. " var. Traskii. Lea. Wash 25 



159S P. " var. occidentalis, Cooper.Or. 20 



L599 !*• " var. passing into next, Ten.. 15 



1600 P. " var. bicarinatus. Say. Ore... 10 



1601 P. " var. " large flat, Min. 10 

 Whorls romided above, subcarinated beneath. 



Lip of the apeature rising above the plane 

 of the spire. 



1602 P. trivolvis, var. Minnesota 10 



1603 P. " Say. Utah 10 



1604 P. " var. tuniidns, Cpr. Calif 10 



1605 P. " var. Oregonisis, Tryon, Ore.. 10 

 . 1606 P. " var. Idaho 10 



Lips even with or falling below the plane of 

 the s])ire. 



1607 P. trixolvis, var. lentus. Say. ^linn.... 10 



1608 P. ■' var. flatter, " .... .10 



1609 P. ■■ var. fallax, Texas 10 



1610 P. ■■ var. near glabratns, Calif... 10 



161 1 P. " var. near tuniidus, Wa.sh.... 10 

 i6r2 P, canipanulatus, .Say, ^Minnesota 5 



1613 P. Liebmani, Dnnker, Texas 5 



1614 P. Ilavenensis, I'fr, I.ousiana 10 



1615 P. albus, IMull. ]\Iinnesota 10 



Subgenus Gyraulus. 



16 1 6 G. vermicnlatns, (yld. California 10 



161 7 G. parvus, Sav. " 5 



' 1618 G. dilatatus. Gld. Florida 5 



I Subgenus Jlfenetus. 



1619 INI. opercularis, Gld. California 5 



I 1620 M. " var. planulatus, Cooper, Was. 15 



1 162 1 M. exactns. Say. Washington 5 



