.1 Shahi of the Belcidere Beds. — f'raffi)/. 
BT3 
Grijjtha'K j>ifcli<'ri var. iiicumcarii PhoJadowi/n saiicfi-adlxe Roeui. 
Marcou. 
Exiigyra icvdiui Roomer. 
Anomia sp. 
PJicatula incongvud. ? Conrad. 
Plicatida senescens Crag. 
Peeteii inconspiciuis ? Crag. 
Void (\<'ithea) occidentaJis Con. 
Ariculd. hclviderensis Crag. 
Aricula leveretti Crag. 
Inocerdimis comdiiclwdiius Crag. 
Mdctrd. dittiqua Crag. 
CorlmJa erd.ssicoHtdid Crag. 
Deiitah'um sp. 
Margarita marcouana Cragin. 
(mudgeana ? Mk.) 
Troclius fe.raiins Roem. 
Neritoiidi nidrcoKnnd. Crag. 
Turi-itelld. seridthii -grdu ulatd 
Roem., var. Imiimsensis Meek. 
Tiirritella (Mesah'a) ventrivoJuld 
Crag. 
Mod ioJd. concent n'ce-cosfellatd yR. 
LitliopJidgus sp. nov. (Fide Stan- Van ikoro propi n<ii(d Crag. 
ton.) Tylostoma tumida Shuni. 
Cid-uJUvd recedens Crag. Natica ? coHtiatotennis Hill. 
Xiiciild I'dthevina Crag. Anchura kiourtna Crag. 
Lcdd s\). (Fide Stanton.) Petersia mediciiicnsis Crag. 
Yoldid niivj-odoiitd Meek. SctiJoenhdcJiid peniridud Von B. 
Trigoiii(( f'iiioi\iji Con. SjiJicHoih'sciis hcJridi'rciisis Crag. 
Reinoiidid fcrrissi Crag. 
I't'rtchrdfd . — lo Sjx^cies. 
Like L.occidenidlis Teleost. (Vertebra like that of 
Ldiinid. .sp 
Leidy: fide Williston.) 
Ldiiiiid / ijninqnelateralis Crag. 
Hyhodns ckirkensis Crag. 
('(t'tothin hroivuii Cope. 
Mi'sodon '.' (dirdsiia Crag. 
Urdiiofilosus dirtdtiis Cope. 
Ur<ni<>/)/<isiis Jlccf/dciis Cope. 
PortJiciis: fide Williston.) 
Plesiosdiiriis iiiiidt/i'i ('rag. 
Citnoliosdiiriis sp. nov. (Fide Wil- 
liston.) 
PU'siochelijH beJrid('ren>ii.s Crag. 
Tvn-tle, size of Protostegd.. (Fide 
Wiili.stou.) 
ifjlixisonnts .'■'sp. (Fide Williston.) 
The Invertelirata common to the Kiowa shales and to the 
Comanche of that portion of Texas and Arkansas in which 
the divisions proposed for this series have been worked out 
and are es])ecially applicable may. as to their occurrence in 
that typi<*i'l tract, be analyzed as follows: 
'I'he genus A'/M^//r/.vi^ey is most abundant in the Fredericks- 
burg division, but is not very uncommon in tiie ('lioctaw and 
Grayson terrancs of the Denison. 
Osfri'd fi-d iiklliil. in the Texas-Arkansas ri'gion. chietiy 
abounds in the Hos(|Ue division, but ranges at least as Ingh as 
the Choctaw limestone. Having given a great deal of study 
to this species as it presents itself in Texas and Kansas, and 
having recently reexamined the (|uestion of the identity of the 
little c()nglomerate-building 0.s//Tr^ so c(uiimon in the Hhic ('ut 
