LIST OF ILLUSTRATIONS. 



PAGB 



— Camarophoria Schlotheimi, Buch, sp. ; Permian ... ... ... 66 



— Lingula anatinafljSimk. ; Recent seas ... ... ... ... 66 



— Spirifer striatus, Shy. ; Carboniferous Limestone 57 



— Maffellania^avescens, hamk., ST^. ; Recent seas, Australia ... 67 



— Diagram of structure of a typical Bryozoan zooid ... ... 60 



— Botri/Uopora sociale, 'Nich.. ; Devonian, Canada ... ... ... 61 



— SlreblotrypaIIamiltonensis,Wic\i.,ST^.; Devonian, Canada ... 61 



— Onychocella Jlabelliformis,'Lamx., s,^.; Bath onian, France ... 63 



— Membraniporajurasstca, Greg. ; Bathonian, France ... ... 63 



— Wing of Corydalis Brongniarti, Mantell ; Coal-measures, 



Coalbrookdale, Shropshire ... ... ... ... ... 65 



,, 109. — "Wing of JBrodia priscotincta, Scudder ; Coal-measures, Tipton, 



Staffordshire 65 



,, 110. — Etoblattina Mazona, ScnMer ; Carboniferous, Illinois, U.S. ... 66 



,, 111. — Names of veins in the wing of a Palaeozoic cockroach (after 



Scudderj 66 



,, 112. — Progonoblattina Helvetica, Heer, sp. ; Carboniferous rocks, Swit- 

 zerland (after Heer) ... ... ... ... ... ... 66 



,, 113. — Wing of cockroach, Mylacris anthracophilum, Scudder; Car- 

 boniferous, Illinois, U.S 66 



,, 114. — Acantherpestes major, M.. and W.: Coal-measures, Illinois, U.S.A. 67 



„ 115. — Euphoberiaferox, Salter;' Coal-measures, Coalbrookdale, Shrop- 

 shire 67 



,, 116. — Eophrynus Prestvieii, H. Woodw., sp. ; Coal-measures, Shropshire 68 



,, 111.— Scorpio of erflAnn.; Recent, Africa (reduced in size) 69 



,, 118. — Palceophoneus, 8Tp.; U. Silurian, Lesmahagow, Lanarkshire ( x x) 69 

 ,, 119. — Eoscorpius carbonarius, Meek and Worth. ; Carboniferous rocks, 



Illinois (nat. size) (after Nicholso'n's Palseontology) 69 



,, 120. — Small bivalved forms of Crustacea: Cladocera, Ostracoda, and 



Copepoda 71 



,, 121. — Entomostracous Crustacea (Phyllocarida and Phyllopoda) ... 73 



,, 122. — Triarthrus BecM, Green; Utica Slate (Ordovician), Rome, New 



York 74 



,, 123. — Olenellus Callavei, Lapw, ; L. Cambrian, Shropshire ... ... 75 



,, 124. — Paradoxidts Davidis, Salter,- M. Cambrian, St. Davids 75 



„ 125. — Agnostus princeps, Salter ; Cambrian, S. Wales 75 



,, 126. — Olenus ; U.Cambrian ... ... ... ... ... ... 75 



,, 127. — Ogygia Buchii, Brong. ; Ordovician, Uandeilo 75 



,, 128, — Calymene Blumenbachii, Brong. ; Wenlock Limestone (SUurian), 



Dudley 76 



„ 129. — Acidaspis mira, Beyr. ; Silurian, Wenlock, Dudley 76 



,, 130. — Staurocephalus Murchisoni, Barr. ; Silurian, Dudley 76 



,, 131. — Somalonotus delphinoeephalus. Green; U. Silurian, Dudley ... 76 



,, 132.— ^ron^cM«/a5e//i/^r, Goldf. ; Devonian, Newton, Devon 76 



„ 133. — Brachymetopus Ouralicus, Portl. ; Carboniferous Limestone, 



Settle, Yorkshire 76 



