402 



REPORT — 1856. 



Oolitic Group. 



Lower Division. 



Echinobrissus scutatus, Lamarck. 



Clypeus sinuatus, Leske 



Agassizi, Wright 



altus, M^Coy 



Michelini, Wright 



Hugii, Agassiz 



— Solodurinus, Agassiz 



■ emarginatus, Phillips 



Fam. COLLYRITID^. 



CoUyrites ringens, Desor 



bicordatus, Desor ' 



ovalis, Parkinson 



Hyboclypiis agariciformis, Forbes. 



— — caudatus, Wright 



gibberulus, Agassiz 



ovalis, Wright 



Fam. ECHINANTHID^. 



Pygurus depressus 



pentagonalis, Phillips 



Blumenbacliii, A'oe/i^jDimier 



Phillipsii, Wright 



^\^d.ni&x%, Wright 



Order ASTEROIDEA. 

 Fam. Urasterid^. 

 Uraster Gaveyi, Forbes 



Fam. SOLASTERID^. 



Solaster Moretonis, Forbes 



Fam. GoNiASTERiD^. 

 Goniaster Hamptonensis, Wright. 

 — — obtusus, tf^right 



Fam. AsTERiD^. 

 Tropidaster pectiuatus, Forbes . . 

 Astropecten Hastingsise, Forbes 



Orion, Forbes 



Phillipsii, Forbes 



CotteswoldiEe, BucTcman .. 



Wittsii, Wright 



Forbesii, Wright 



arenicolus, Goldfuss 



rectus, Af' Coy 



Luidia Murchisoni, Williamson 



Order OPHIUROIDEA. 

 Fam. OphiuriDjE. 

 Ophioderma Gaveyi, Wright .. 

 Milleri , Phillips 



Middle Division. Upper Division 



