304 - CAMBRIAN BRACHIOPODA. 
Acrotreta sabrine (Callaway) ........-.------------ 
sagittalis (Salter)...........0-2-c2ceeecee----- 
Ciisapittalistoese mentee cco ecetcenencee eae 
sagittalis magna (Matthew). 
sagittalis taconica (Walcott). 
sagittalis transversa (Hartt).......---.-.----- 
schmalenseei Walcott...........-...------.-- 
seebachi Walcott. 
shantungensis Walcott.............-.--.----- 
signalis Walcott............-....-.----------- 
socialis von Seebach..............------- Seeee 
SPINOSaA iW alCObtaa~ sense eel = eee 
BUDCONICAKcULOrga ere ncneis eee ee eeeeeeeee 
MUTICDIGWiAlCOUU se taeince cate eee =e eee ae 
uplandica Wiman.... 
uplandica limOensis (Wiman) ..-..-.....-.--- 
SpyUndt- wy alCotuseseseen ence < ss ceeeeeeeee 
Sp. undt. Westergaird----- 2. -- 2 asset 
acuminata [Lingulella (Lingulepis)], (Conrad) .....- 
acuminata sequens [Lingulella (Lingulepis)], Wal- 
LXX: 1, la-s. 
LXXVII: 3, 3a. 
LXXIII: 3, 3a-c; 4, 
4a-e. 
LXXIX: 4, 4a-g. 
LX XIII: 2, 2a-i. 
LXXVIUII: 3. 
XL; 1, 1a-s; 
XLI: 1, la-n; 
XLII: 1, 1a-o. 
acuminata meeki [Lingulella (Lingulepis)], (Wal- 
(il Uisasccosenabcousecueeansoconcmosscsse Text figs. 46A-B, 
p. 551. 
acuminatus [Obolus (Schmidtia)], Mickwitz........ XIV: 2, 2a-c. 
acutangula [Lingulella], (Roemer).......-.--------- XVII: 1, 1la-o. 
advenus[Obolus ?], Barrande...........------------ XII: 5, 5a-b. 
affinis [Obolus (Lingulobolus)], (Billings) ..-..-..-- XVI: 1, 1a-e. 
agnostorum [Lingulella], (Wallerius)............... XXX: 15. 
agreste [Eoorthis], (Walcott).........-..----------- LXXXIX: 6, 6a. 
alabamaensis [Micromitra], (Walcott). ...------.--- TI: 5, 5a-c. 
Alandensis [Obolus (Westonia)], Walcott.........-- XLVIII: 6, 6a. 
alata [Syntrophia], Walcott CII: 3, 3a-d. 
alberta [Nisusia], (Walcott) .........-..------------ C: 3, 3a-d. 
alta [Acrotreta idahoensis], Walcott.....--.------.- LXV: 4, 4a-b. 
ambigua [Elkania], (Walcott) ..............------.- LI: 2, 2a-c. 
amii [Nisusia (Jamesella)], Walcott.............--- CI: 6, 6a-b. 
ampla [Lingulella], (Owen) XXVIII: 1, 1a-j. 
anatina [Lingula], Bruguiére............-...------- Text figs. 34C-D, 
p. 374. 
anceps [Obolus], Walcott...........---------------- X: 3, 3a-f. 
ancillus [Obolus ?], (Barrande) XII: 2. 
anomala [Wimanella ?], (Walcott) ........--------- LXXXVII: 1, la-e. 
antiquata [Swantonia], (Billings)..........-..--.--- CIV: 5, 5a-b. 
antiquissimus [Obolus (Acritis)], (Eichwald)...-. > 00R BP 
XV: 2, 2a-d. 
apollinis [Obdlus], Eichwald.-............--.------- 
apollinis ingricus [Obolus], Eichwala.....-.-.-..- 
apollinis maximus [Obolus], Mickwitz....-..-...--- 
apollinis quenstedti [Obolus], (Mickwitz)......... 
appalachia [Billingsella?], Walcott.....--....---- 
appalachia [Dicellomus], Walcott.....-..-..----.-- 
argenta [Acrotreta], Walcott...........---..------- 
argenta [Nisusia (Jamesella)], Walcott. 
argia(Syntrophia primordialis], Walcott 
arguta [Lingulella], (Walcott).........---..--.----- 
artemis [Acrothele], Walcott. -......- 
asiatica [Obolella], Walcott........-- 
atava [Lingulella], (Matthew) 
atava [Eoorthis], (Matthew)..........-------------- 
atava insule [Lingulella], (Matthew)...........--.. 
atlantica [Obolella], Walcott. .......-...--..------- 
atrypoides [Orusia lenticularis], (Matthew). - -.-.- 
attenuata [Acrotreta], Meek..........-..-.---.----- 
attenuata var. [Acrotreta], Walcott.........-..---- 
auga [Lingulella], (Walcott)...........----.--..---- 
aurora [Obolus (Westonia)], (Hall)..........-....-- 
VII: 1-8, 10-17; 
XIV: 6, 6a; 
Text figs. 4 and 15, 
p. 299. 
Not figured. 
VII: 9; 
XIV: 7, 7a. 
Text figs. 34A-B, p. 
374. 
LXXXVII: 2, 2a-b. 
LIII: 4, 4a-g. 
LXVII: 5, 5a-g. 
.-CI: 9, 9a-b. 
CIT: 3. 
XXIV: 5, 5a-b. 
.- Text fig. 54, p. 634. 
--LV: 6, 6a. 
..XXXV: 5,5a-h. 
XCV:7, 7a-b. 
XXXV: 8, 8a. 
LV:1a-i; 
Text fig. 51, p. 590. 
XCVIII: 5. 
LXIV: 1,1a-0; 
LXXIX: 6, 6a. 
XXIV: 6, 6a-g. 
XLVI:1, la-h. 
avia [Acrothele], Matthew-...-.... pe rennoacacecasoe LXI: 7, 7a-b; 
LX: 1, 1a-k. 
avia puteis [Acrothele], Matthew........-...------- Not figured. 
babel [Acrotreta], Barrande -LX XVII: 6, 6a-b. 
baileyi [Acrotretd], Matthew............----.------ LXXVII:2, 2a-d. 
balticus [Obolus (Westonia)], Walcott.........--. XLVIII:7, 7a-b. 
barabuensis [Syntrophia], (A. Winchell) - .--CII: 1, la-g. 
? barrandei [Botsfordia], Walcott ---- .--LVII: 7, 7a-b. 
bavarica [Eoorthis], (Barrande). -.- ..-XCVII: 4. 
bavaricus [Obolus?], (Barrande) XV: 10, 10a. 
bella [Lingulella], (Walcott)...............-- hasates XIX: 2, 2a-q; 
XXXVI: 4. 
bella [Micromitra (Paterina)], (Billings)....... ...II: 1,la-c. 
bellapunctata [Acrothele], Walcott.........-------- LVII: 3, 3a-b. 
bellatula [Acrotreta], Walcott. -.... .-- LX XVIII: 4, 4a-d. 
belli [Obolus], (Billings)...........--..- -X XXVIII: 3, 3a-b. 
bellula [Acrothele], Walcott... ...-- - LVIII: 5, 5a-h. 
bellula [Lingulella], (Walcott)......-..----.-------- XIX: 1, 1a-e. 
bellulus [Obolus (Fordinia)], (Walcott).......-... LI: 3, 3a-f. 
belti [Acrotreta], (Davidson) 
bergeroni [Acrothele], Walcott... 
Bicia}gemma) (Billings) t3. eee aeons seeea eer eee 
whiteavesi Walcott........ 
Billingsella? appalachia Walcott... LXXXVII: 2, 2a-b. 
DbivaasWialcotteste so. peta cee ee eco ecie oe eee Text figs. 65A-C, p. 
750. 
coloradoensis (Shumard).............-.-.---- LXXXV:1, 1la-z; 
Text figs. 5, p. 299, 
and 66, p. 751. 
dice)Walcotts22-:--------- .--CI: 8, 8a-d. 
exporrecta (Linnarsson)........-- ---LXXXVIII:1, 1a-l. 
exporrecta rugosicostata Walcott.....-..--- LXXXVIII: 2, 2a-c. 
hicksi (Salter MS.) (Davidson)-.-.---.---.--- XCVII: 7, 7a-b. 
highlandensis (Walcott) .--LXXXVII: 4, 4a-c. 
lindstrémi (Linnarsson).........-..-.-.------- LXXXVII: 6, 6a-f. 
majoniWealcottsetce: 2 teseeor esse tame ee en LXXXVI; 1, la. 
IMIATIONMVW 21 CO blast ee = eee eee een Text figs. 67A-B, 
p. 758. 
obscura Walcott. -s-- ose ese eee seioe eae LXXXVI: 6. 
orientalis) @VWijhitfield) sess] eeeee ee eee LXXXVI: 2, 2a-b. 
plichtella \Wialcotts-+--+---ss---s-sesnee cere LXXXVI: 3, 3a-n; 
Text fig. 1, p. 299. 
pumpellyiiwWialcottzs+----ee-s sesso eres eee XCVII: 8, 8a-c. 
retroflexa|(Matthew)e--2s-s-n--e-eaeee see XC: 1, la-h. 
richthofeni Walcott... 
Tomingeri! (Barrande)Sessss eee eee XC: 2, 2a-n. 
salemensis ((Wialcott) 25-52 2222-----2-s---e eee LXXXVII: 3, 3a. 
StriatasWialcottssce--=- seen eee eeee LXXXVI: 4, 4a-c. 
whitfieldil(Walcoth):sse) ses esse eee eee LXXXVI: 5, 5a. 
billingsi [Huenella], (Walcott).....-.....--.-------- CII: 5, 5a-c. 
billingsi [Protorthis], (Hartt).......-- ..---XCIX: 1, la-g. 
billingsiana (Lingulella], (Whiteaves). Bee no-2- OD. GEEREY 
bisecta [Acrotreta], Matthew -..-.........---------- XLVI: 7, 7a-e. 
bivia [Billingsella], Walcott....-...........-.------- Text figs. 65A-C, 
p. 750. 
blackwelderi [Obolus (Westonia)] Walcott-......... XX XIX: 10; 10a-c. 
bohemica [Acrothele], (Barrande).-.........-..---.- LVII: 1, 1la-d. 
borgholmensis [Acrothele], Walcott..........--..-.- LXIII: 2, 2a-b. 
bornemanni [Lingulella], (Walcott).. XXX: 18, 18a-c. 
Botsfordia? barrandei Walcott.-......-..-..-.---.-. LVII: 7, 7a-b. 
(ceelatay (Ela) Seca es se eriemt eee ee ener LIX:1,1a-q;3,3a-b. 
granulata (Redlich) LVII: 4, 4a-r. 
pulchra (Matthew)......-.-. LXII: 5, 5a-1. 
bottnicus [Obolus (Westonia)], (Wiman) .....-...- XLVIII: 4, 4a-c. 
bretonensis [Obolus (Palzeobolus)], (Matthew) ----- XXXII: 5, 5a-g. 
bretonensis lens [Obolus (Paleeobolus)], (Matthew). Not figured. 
(Broggeria) salteri [Obolus], (Holl)........-..---.-.- XIII: 1, la-n; 
XV: 4, 4a-d. 
buchi [Keyserlingia], (de Verneuil).............---- LXXXI: 4, da-e. 
buttsi [Lingulella], Walcott 
cewlata [Botsfordia], (Hall)...............-.-..------ LIX: 1, la-q; 3, 
3a-b. 
calcifera [Syntrophia], (Billings)... .. ae eee CIV: 1, la-i. 
cambria [Schuchertina], Walcott.......-..-..------- LI: 6, 6a-m. 
cambria [Syntrophia], Walcott.................--.-.Text figs. 72A—D, 
p. 800. 
campbelli [Syntrophia], Walcott............----..-- Text figs. 73A-F, 
p. 801. 
cancellata [Acrotreta??], Walcott............------- LXXIX: 5, 5a. 
cania [Lingulella], (Walcott).............-...------- XXXV: 3, 3a-d. 
