408 



ME. E. E. COWPEE EEED ON THE 



[Aug. 1896, 



And in 1891 * Prof. Nicholson and Mr. Marr published a new 

 and revised list of the fossils from this bed. All the specimens 

 collected by them at that time are in the Woodwardian Museum, 

 The following species of trilobites are recorded : — 



Ampyx tumidus, Forbes. 

 Cheirurus bimucronatus, Murch. 



cancrurus, Salt. 



clavifrons, Dalm. (?). 



Cyphaspis (?) ef. triradiatus, 



Tornquist. 

 Cyphoniscus socialis, Salt. 

 Homalonotus 



Tornquist. 



Illcsnus Bowmani, Salt. 

 ■ cf. conifrons, Billings. 



—> S P- 



Lichas laciniatus, Wahl. 



laxatus, M'Coy. 



Bemopleurides cf. longicostatus, 



Porfcl. 



Sphcerexochus calvus, M'Coy. 



The list which I am now able to give as the result of my in- 

 vestigations is as follows : — 



Agnostic. 

 Agnostus cf. Galba, Billings. 



Trinucleid^e. 

 Ampyx binodulosus, sp. n. 

 Tiresias insculptus, M'Coy. 



Olenid^;. 

 Bemopleurides Colbii, Portl. 



longicostatus, Portl. 



\oniscus socialis, Salt. 



Calymenid^e. 

 Calymene Blumenbachi, var. Caraciaci, 



Salt. 

 Homalonotus ? punctillosus, Tornquist. 



IlLjENIDjE. 



Illcsnus Bowmani, Salt. 



, Tar. brevicapitatus, v. n. 



, var. longicapitatus, v. n. 



fallax, Holm. 



Roemeri, Volborth. 



ccecus, Holm. 



galeatus, sp. n. 



, sp., hypostome. 



Cheirurid^e. 

 Cheirurus bimucronatus, Murchison, 

 Tar. a, Salt. 



cancrurus, Salt. 



— - keisleyensis, sp. n. 

 cf. glaber, Angelin. 



Cheirurus cf. clavifrons, Dalm. ? 



(Pseudosphcerexochus) conformis, 



Angelin. 



( ) subquadratus, sp. n. 



Sphcerocoryphe gramdata, Angelin ? 

 Sphcerexochus mines, Beyr. 



latirugatus, sp. n. 



Staurocephalus Murchisoni, Barrande. 



AcIDASPIDjE. 



Acidaspis convexa, sp. n. 

 , sp. 



LlCHADiE. 



Lichas laxatus, M'Coy. 



affinis, Angelin. 



conformis, Angelin, var. keisley- 

 ensis. 



hibernicus, Portl. 



bulbiceps, Phillips, MS. 



bifurcatus, sp. n. 



PROETIJ),E. 



Cyphaspis ? Harknessi, sp. n. 



(Tornqidstia, subgen. nov.) 



Nicholsoni, sp. n. 

 Phillip sinella parabola, Barrande. 



'HAEPEDIDiE. 



Harpes Wegelini, Angelin. 



costatus, Angelin ? 



, sp. a. 



, sp. (3. 



Agnostid^. 

 Agnosttjs cf. Galba, Billings. 



A pygidium of this species in a remarkably good state of pre- 

 servation was found by me during a recent visit to Keisley. It 



1 Quart. Journ. Geol. Soc. vol. xlvii. (1891) p. 507. 



