No. 186.] 83 



Original Names. Chakgbd Names^ Reuarks, ete. 



Vol.11, page 



Lingula cuneata 8 



" lamellata 55,249 



" oblata 54 



" oblonga , . 54 



" perovata 55 



Lyriocrinus 197 



Lyriocrinus dactylus 197 



Macrostylocrinus 203 



Macrostylocrinus ornatus . . 204 



Megalomus 243 



Megalomus canadensis 243 



Melocrinites _ 227 



Melocrinites sculptus 228 



Modiolopsis orthonotus 10 



" ovatus 101 



" 7 priraigeniuS 11 This species is probably a Pfl/cearca. 



" subalatus 84 



" '? 285 



" subcarinatus 101 



" undulostriatus _. 284 



Murchisonia bivittata 345 



" boydii 346 



" (?) conoidea _.. 13 



" loganii . _ 346 



" longispira 345 



" macrospira 346 



" (1) obtusa.- 332 



" subulata 91 



" (?) terebrans 334 ' 



" turritiformis 347 



Myalina mytiliformis 100 Genus? 



Myelodactylus 191 



Myelodactylus brachiatus .. 222 



" convolutus 192 



« (?) 232 



Onchus 320 



OnchuS deweyii 320 This spine, referred to the genus Onchus, 



is the posterior spine of a crustacean of the gonus Ceratiocaris, or of an 

 allied genus ^ Ceratiocaris deweyi. 



Oncoceras expansum 337 



" gibbosum 14 



" subrectum 94 



