30 CATALOGUE OF TYPES AND FIGURED SPECIMENS 



Stylonums megalops, Salter, 1859. 



1859. Rtiryptcrus megalops, Salter, Quart., Journ. Geol. Soc, xv., p. 233, 



pi. X., fig. 10. 

 1872. Stylomivus „ Woodw., Brit. Foss. Merest., Palseont. Soc, 



p. 124. 



Type. — One of six specimens upon which the species 

 is founded. It consists of a Httle more than half of the 

 anterior portion of a carapace. 



The whole of the type-specimens of this species are 

 probably in the Lightbody Collection, but cannot at present 

 be traced. 



Railway Cutting, Ludlow, Shropshire. 



Transition Beds. Coll. Lightbody. 



PISCES. 



Cyathaspis Banksii (Huxley and Saher), 1856. 



1856. Ptcraspis Banksii, Hvixley and Salter, Quart. Journ. Geol. Soc, xii,, 



p. 100. 

 1867. Cyathaspis „ Lankester and Powrie, Monogr. Old Red Sand- 

 stone Fishes, Palaeont. Soc, p. 26, pi. iv., fig. 6. 



Type. — A well-preserved head-shield. 



Bradnor Hill, Herefordshire. 



Transition Beds. Coll. Lightbody. 



Auchenaspis Salteri, Egerton, 1857. 



1857. Auchenaspis Salteri, Egerton, Quart, Journ. Geol. Soc, xiii., p. 286, 



pi. ix., figs. 4 and 5. 



Types. — Two small head-shields, 12 mm. in diameter, 

 figured and described by Egerton. 



Railway Cutting, Ludlow, Shropshire. 



Upper Ludlow. Coll. Lightbody. 



Plectrodus mirabilis (?), Agassiz, 1857. 



1837. Plectrodus viirabilis, Agassiz, Quart. Journ. Geol. Soc, xiii., p. 288, 

 pi. x., figs. 3fl, 36. 



Small fragment, and impression of jaw. 



Paper Mill, Ludlow, Shropshire. 



Transition Beds. Coll. Lightbody. 



