CxXil 
THE PALEONTOLOGY OF MINNESOTA. 
————— EEE 
OSTRACODA 
AND 
TRILOBITA. 
Schmidtella subrotunda, n. sp........... 
Aparchites ellipticus, n. sp.........-...- 
Aparchites granilabiatus Ulrich......... 
Aparchites neglectus, 0. Sp...........6+: 
Aparchites millepunctatus Ulrich....... 
Aparchites fimbriatus Ulrich 
Aparchites arrectus, 0. Sp............e00- 
Aparchites chatfieldensis, n. sp.......... 
Aparchites minutissimus var. trentonen- 
CHO tai Wie seasae son atopondodocnnd sODo ds 
Primitiella constricta, n. sp............-. 
Primitiella limbata, n. sp.............--- 
Primitiella simulans, n. sp.............-- 
Primitiella fillmorensis, n. sp...........- 
Primitiella unicornis Ulrich............. 
Primitia minutissima, n. sp..........---- 
Primi ilanp OAM SPs ecleielsicieisistewiers'ol lore) 
Primitia mammata, D. sp............--+: 
Primitia santi-pauli, n. sp.............-- 
IBsenhie etnies ee) ak Go son ob sadadeoode 
IPrimitia Celatay WSDisn. cesses = -cuin ease 
Primitia duplicata, n. sp............0000 
Primifia tumidula, M.Sps-2.. 2 ccs- 6 =< 
Erimibi aie bDera, MeiS ieee ese nse cies ere 
alliella la biosayy MSP .cte1-1 cerca wcreree 
Beyrichiaanigialisnn epee aoe teleleeelsrclee 
Eurychilina reticulata Ulrich............ 
Eurychilina es var. incurva, nD. var. 
Eurychilina subradiata Ulrich 
Eurychilina ventrosa, n. sp........--++-: 
Eurychilina (?) subequata, n. sp......... 
EKurychilina (?) symmetrica, n. sp 
Dicranella bicornis, n. sp............+-++- 
Dicranella spinosa, n. Sp.............-0:- 
Dicranella marginata, n. Sp..........+++- 
Dicranella (?) simplex, D. Sp............:- 
Jonesella obscura, N. SPp....... ..sseeeeee 
Bollia subzequata, n. sp 
Bollia unguloidea, n. Sp.............-00+- 
Drepanella bilateralis, n. sp..........+--- 
Drepanella macra Ulrich................- 
Drepanella bigeneris, n.sp............++- 
Wilobellaity Pasa SPssmelsiceroe ele lever mete 
Ctenobolbina fulcrata, n. sp............. 
Ctenobolbina crassa Ulrich............... 
Ceratupsis chambersi Miller.............. 
Ceratopsis fs var. robusta, n. var. 
Tetradella quadrilirata H. & W.........- 
Tetradella lunatifera Ulrich............. 
Moorea angularis, 0. Sp.......0..000.-0- ss 
Moorea punctata, D. Sp...........-.2-2005 
Moorea (?) perplexa, 0. Sp......-.eeeeeees 
Macronotella scofieldi, n. sp......... 
Cytherella (?) subrotunda, n. sp 
Cytherella (?) rugosa Jones.............-. 
Cytherella “var. arcta, Nl. var.... 
Bythocypris cylindrica Hall.............. 
Bythocypris (?) curta, n. sp............... 
Bythocypris granti, n. sp.............-... 
Bythocypris (?) robusta, 0. Sp............ 
Krausella inequalis, n. sp............... 
Krausellaarctiata, i. Spi..cc0- s/s tees 4 
TRILOBITA. 
Calymmene callicephala Green........... 
Tsotelus) Pipas DEK Aa yieransvereesimeicielwoe eer 
Isotelus maximus Locke....... ......... 
Isotelus canalis Conrad 
Hudson or 
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