: NORTH Al 
AME 
FAMI RICAN 8S 
S61 ‘ <NUS 4 +. 7% ; 3 
862 P. cardatoides, Conpaaieatirer | FA ; 11 
Gare? tdi rg Y ae California | MILY CY 
Seka. divaric var. PC TTC REE I j RENIDA 
864 P. tenui ata, D’Orb : Are 5/906 C.C GENUS CY . 
enuis ? Ad Florida... 15 | 907 C. Carolinensi openers 
by an Lower California...... (907 C. Floridana, © Te 
5 R. lamellifera sRUPELEARIA. te mY fis: BNE ise 15 
866 S ee ait California . | ee 15 
867 S, Naa Ghee. acai: an 25 | 908 C: ma GENUS ae 
FB ‘ : e 5 | 1 enum I. 
var. arat 1OTM1a.......... | 909 C. isocardi , Born, : 
mune us, Gld. California 25|gI10 C eer Te Florida ape Bens 
868 ee Vi tee Siecle can ae eA Waly ars ae 25 
GENUS = | =< is, M sai ree: 25 
V. mercenaria, ae ala Ke Cc: cae eee alifornia... se es ee 
86 GENUS . large. Florid Ss out. Gini 25 
g C. flexuosus CRYPTOGRAMM: a.... 50|913 L. el UE crus ab enrite ornia .. 50 
’ Linn. Flori A. gI atu, Sby : ralum. 
870 C. gnidi Subgent orida Ractewaeale ane I. serratum iis California 
871 C. paid Brod gage SP tees are a Mortonii, Cone lode eee ara a 
co cinct . wb. L F i a - lo MGA... ccenerese cee 
ae e See Val. ee Calle var. rake ee eins. 50 
eee a pos eee ae 
874 C millima, Sby pee. oe 20 FAMILY CHAM r.Cal 10 
Boe eetiie «var. u foun. koa! 20 | a [IDA. 
75 C. fluctifraga Sy. Califor Sby. L.Cal in or3 C. arcinella ree CHAMA 
, = all ornia . ‘ 2 (Ou m ’ inn. Fl 3 r 
876 ips tantill Subgenus Pseph Bassa Sian Be 919 C. ero D Chem orida Soin tt sta at 
a, Gld. Califor 1S. geo © pellucida, Shy. C “ieninnn 25 
877 C. affini GENUS C Danie gai C. ramen Uae es OTNia. «ees... 15 
Bee veage Gen aetae 75 Ray ke) ae Spe Calo 15 
Sea ae Florida....... a ar. exogyra, Cou Cal... 15 
ee. 20 FAMILY I, ite) 
e z cooradinne, all, Florida. pe 20 | 922 L, | Ges sao 
. Cubaniana, D’Orb Florida.... 923 I. fovterpete 2 Soe INA. 
881 C. gi Subgen y Florida... es 25 | 924 a conn ae Florida as 
882 C. gigantea, Ae he eas, 25 | 925 Eli aie Stimpson Ge OME Spank 15 
883 C. maculata . Florid | 926 -lintea, Conr. atin a woe ES 
3 Co ince y Chem. “ Ae ..e eee. | L. squamosé yA eas 20 
884 C. ene: ea eo 20 ae L. a tai fone , a 
ee 2 | 2 Y 6) pal a) 
= a, Lower 7S GE Se es | 929 ak nate Lam. m. cA geit a 20 
ee Subgenus Tivela. 25/930 L. Peussyie ae edly ome 
36 I. crassatelloide Lower Californi | 931 L. Nut rnica, Conr. ee 2 
88 Sub es, Conr. BASE ec ees) | talli, Conr alifornia 25 
7 A. Ubgenus Saas en Seis z Ss . cena Rupe «t a 
callosa, Conr. ei antts. 35 | 932 L. tigerina Ee EE Na ue 
Tr | S a, e . 
888 (SS cerin Subgenus Go ae Waldielelctelclotuiwimiara 2 | S pay Florida ie 
a, Ad. Flori uldia. 5 | 933 i , ubgenus i SE Oa 2: 
88, Ss orida..... ae) es Floridana, Co oripes. 5 
2 abner hoc RE 5 10 FAMI nr. Florida . 
, pr. Califo 2 vA! LY DIPL petceicisle sees 15 
2 D. ee Ge Toa. Pascoe cece rots340D) GENUS Lao ect ey 
gt D. elegans Cc ray. Lower Cali 935 I . orbella, Gld ids DONTA. 
, Conr.  Florid alifornia 35 D. candeana 7 Galifornia 
892 WS teenie GENUS TAPE By eecvecverecees : a 5 5B Orb. Florida tect eeeeeens 25 
893 T eB Cpr aS 20 | 936 F.s ia Subgenus Fe is eA bs an 
894 " laciniata cr 3 Ga. Sound _sericata, Rve L elania. 5 
os . > . ; gw so eIOS ; . SNe J 
895 T. Werte Cour. oat ee = FAMILY E ower California .. c 
Beh «Serva. ene 20 MEL ROUSE es 
ieee Sa SLT ae GENU DAS. 
397 f ‘e var. ornella. AR Lr aia = | Sub U Ss MONTACUTA 
9 “ 66 var.ruder, BRS Beco 5 | 93 aT i 7 IT CAUS Telli 74 
899 7 grat var. nee Siam hie 20 | 37 . tumida, Cpr. C hif limya. 
goo T. a, Say. etiti, sent 20) ae alifornia..... 
gou 7. - Wee ee Pe een 15 | 938 L. rubri ee a 59 
feo a ee sha, tag eae 
993 “We 6<é var. “ec ee, ies 15 | GENUS ae Deivvesssieoticcesais - 
q04 Ts... Retr «6 My Zh tae TS | oe = Laperousii, _ ae eae _) 
Goh Te.“ Poe ar tt) Oe 15 . suborbicularis, er 
I regard T grata anaes ‘cc iar a | FAMILY SO i LPS ose = 
Sade PMR 7 SOLEMYID-E. ° cs 5 
outhern form of T we» 15/941 S ; GENUS SO Ero 
staminea. | 942 S. occidentalis, D LEMYVA. 
. . voloulus, Cpr esh, Florida 
. Lower @il---: RS 25 
hssden 24 
