152 



Cytheridea 



Muelleri, var. toi'osa, 111. 

 papillosa, 112. 

 perforata, 112. 



, Tar. insiguis, 112. 



, var. glabra, 112. 



pinguis, 112. 

 punctillata, 112. 

 Sorbyana, 112. 

 torosa, 113. 



, var. teres, 113. 



Cytherideis 

 angusta, 113. 

 Colwellensis, 113. 

 Jonesiana, 113. 

 ren, 113. 

 sp., 114. 

 subspiralis, 114. 

 subulata, 114. 

 trigonalis, 114. 



, var. iKvis, 114. 



tuberculata, 114. 

 unicoi'iiis, 114. 

 unisiilcata, 114. 

 Cytheropsis 

 Aldensis, 114. 

 umbonata, 114. 

 Cytheropteron 

 angiilatum, 11.5. 

 arc-iiatum, 115. 

 inflatum, 115. 

 latissimum, 115. 

 Montrosiense, 115. 

 nodosum, 115. 

 rectum, 116. 

 triaiigulare, 116. 



umbonatum, 116. 

 Cyiherura 



acuticostata, 116. 



angulata, 116. 



appendiculata, 116. 



attenuata, 116. 



cellulosa, 117. 



clathrata, 117. 



complanata, 117. 



compressa, 117. 



concentrica, 117. 



cornuta, 117. 



cuneata, 117. 



llavescens, 117. 



gibba, 117. 



nigrescens, 118. 



producta, 118. 



pmiiila, 118. 



quadrata, 118. 



Robertsoni, 118. 



f?arsii, 118. 



similis, 118. 



striata, 118. 



undata, 118. 



Dalmannia 



aftinis, .S4. 

 Darwinella 



Stevensoni, 119. 



Deiphon 



I'orbesi, 147. 

 Diauleix 



Carteriana, 2. 



felicejjs, 2. 

 Dictyocaris 



Eamsayi, 72. 

 Dikelocephalus 



celticus, 34. 



discoidalis, 34. 



furca, 35. 



sp., 35. 

 Dionide 



atra, 35. 

 Discinocaris 



Browiiiana, 72. 

 Dithyrocaris 



Colei, 72. 



glabra, 73. 



granulata, 73. 



orbicidaris, 73. 



ovalis, 73. 



Sc-ouleri, 73. 



striata, 73. 



(teeth of), 73. 



tenui striata, 73. 



testudiaea, 73. 



tricornis, 73. 

 Dromilites 



Bucklandi, 7. 

 Lamarckii, 7. 



Eccoptochile 



Sedgwiokii, 35. 

 Encrinurus 



mullisegmentatus, 35. 



punctata, 36. 



, var. arenaceus, 36. 



sexcostatus, 36. 



variolaris, 36. 

 Enoploclytia 



brevimana, 9. 



Imagei, 9. 



Leachii, 10. 



scabrosa, 10. 



susscxiensis, 10. 

 Entcmidella 



buprestis, 119. 



divisa, 119. 

 Entomis 



aciculata,.119. 



biconceutrica, 119. 



impeudens, 120. 



serratostriata, 120. 



tiiberosa, 120. 

 Entomcconchus 



globosus, 120. 



orbicularis, 120. 



Scouleri, 120. 



• , var. ovalis, 121. 



Erinnys 



venuldsa, 36. 

 Eryma 



elegans, 10. 



rostrata, 10. 



Eryon 



antiquua, 10. 



barrovensis, 10. 



Brodiei, 10. 



crassichelis, 10. 



Moorei, 11. 



wilmcoteusis, 10. 

 Estheria 



Adamsii, 74. 



concentrica, 74. 



elliptica, 74. 



exigua, 74. 



membranacea, 74. 



minuta, 74. 



, var. Brodieana, 



74. 



Murchisonite, 75. 



Peachii, 75. 



Portlockii, 75. 



punctatella, 75. 



striata, 75. 



, var. Beinertiaiia, 



75. 



, var. Tateana, 75. 



, var. Binneyana, 



75. 



tenella, 75. 

 Etyus 



Martini, 2. 



similis, 2. 

 Eucorystes 



Carteri, 2. 

 Eucythere 



Ai-gus, 121. 



dec-livis, 121. 

 Eurypterus 



abbreviatus, 64. 



acuminatus, 64. 



Brewsteri, 64. 



Brodiei, 64. 



cephalaspis, 64. 



chartarius, 64. 



Hibernicus, 64. 



lanceolatus, 65. 



linearis, 65. 



obesus, 65. 



punctatus, 65. 



pygmaus, 65. 



scorpioides, 65. 



Scouleri, 65. 



Stevensoni, 65. 



Glyphaea 



cretacea, 11. 



Heeri, 11. 



Hasina, 11. 



rostrata, 11. 



scabrosa, 11. 



Tomesii, 11. 

 Goniochele 



angulata, 2. 

 Goniocypoda 



Edwardsi, 3. 

 Griffithides 



mucronatus, 37. 



