£. Springer—Burlington Limestone iu New Mexico. 101 
Martinia , of the type of M. lineata, <A similar form from 
the Lower Carboniferous of Utah is referred py H. & W. to . 
otis 
Cyrtina ——, proba ably new; allied to C. acutirostris of the 
Githo raphie Tiadion of Mo. 
Athyris lamellosa. A. incrassatus, Hall. -A. parvirostris, M. & 
ie ese three forms are not distinguishable from similar 
forms occuring in the Keokuk, Upper and Lower Burlington, 
_ and Waverly groups. 
Lerebratula Burlingtonensis White ; Kinderhook. 
TI. Utah H. & W.—very similar to the form from the L. Car- 
boniferous of Utah. 
In addition to the brachiopods, there is an Allorisma like A. 
Hannibalensis ; a Conocardium, probably new ; Chemnitzia ; two 
Species of Platyceras ; Trematodiscus Rocks ymontanus Miller ; 
a Phillipsia and a Poste: a a entis and two other Corin; 
and a large number of Bryozoa 
ECHINODERMATA. 
It is the Echinoderms, however, that constitute the most im- 
portant feature of the collections. for they determine the equiv- 
' alency of the formation, They consist of about 45 species of 
Pees and 5 species of Blastoids, which are “deacated as 
(). 
: IcHTHYOCRINID&. 
Taxocrinus Thiemei. 
CYATHOCRINID &. 
Cyathocrinus Iowensis - 3 ©. enormis. Vasocrinus macropleurus. — 
arycrinus Wa chsmuthi ; B. cornutus; B. pee went 
Coeliocrinus ventricosus. 
PLATYCRINID&. 
ae y eelents) P. planus ; P. pocilliformis ; P. pilei- 
ormis; P. verrucosus; P. regalis; P. corrugatus ; 
vega 
| Burlingtonensis , . P. parvinodus; P. seulptus ; ie ‘Shumardi- : 
> anus ; and 3 undescribed species 
Dichocrinus » undescribed. 
i Ruopocrinip &. : 
Bote — Wachsmuthi ; R. Wortheni ; and one undescribed 
spec . ; 
ACTINOCRINIDA. 
Actinorinus proboscidialis ; A. coelatus; A. multibrachiatus; 
sis ‘ 
usculus ; A. tenuiseulptus; A. Copei. Agaricocrin nus 
aa onvexus ; A, Syvanetibatia Amphoracrinus divergens. : 
moerinus eorbulis. Doryerinus — : parents ee 
— Ornatus. Steganocrinus pentagonus; 8 ene 
