68 



INDEX OF SPECIES. 



Lyonsia 



hyalina, 20, 167, O 194. 

 infiata, 40, 105, 193. 

 naviuula, 73, 91. 

 nitida, 124, 194, 297,0 300, 



U 199, V 211. 

 Norvegica, 20, 71, 73, 219, 



222, O 223. 

 picta, 105, 184, 245, 301, 



358, 364, P 26. 

 plicata, 364. 

 saxicola, 91. 

 striata, 222. 

 ventricosa, 73. 

 Lyria 



Cumingii, 40. 

 harpa, 24, 40. 



Machaera 



costata, 20, 73, 87, O 219, 222, 



223, 301. 

 lucida, 72, 124, O 195, O 301, 



V 211. 



maxima, 195. 

 Nuttalli, 5, O 349. 

 patnla, 12, 20, 22, 26, 72, 87, 



124, 154, 251. 

 sodalis, 73. 

 Mac o ma 



calcarea, 70, 125. 



concinna, 202. 



crassula, 235. 



Dombeyi, 202. 



edentula, 12, 70, 113, 125. 



edulis, 12, 86, 125. 



(fivzr.) expansa, 88, 125. 



Fabricii, 125. 



fragilis, 125. 



fusca, 167. 



inconspicua, 12, 18, 20, 86, 125, 



167. 



indentata, 97, 125. 

 inquinata, II, 80, 97, 125, 168. 

 lata, 70, 88, 125. 

 nasuta, 20, 22, 26, 71, 125. 

 proxima, 70, 88. 



Macotna 



secta, 12, 22, 26, 86, 125, 151. 

 solidula, 39, 125,204. 

 sordida, 70. 

 Suesoni, 70. 

 teiiera, O 221. 

 tersa, 125. 



yoldiforuris, 88, 97, 125. 

 Macro ceramus 



polystreptus, 45. 

 Macrocyclis 



Newberryana, 157. 

 (?rar.) sportella, 157. 

 Vancouverensis, 157. 

 Macron 



Kellettii, 40, 102, 150, 151. 

 lividus, 100, 150, 151. 

 Mactra 



alata, P. 50. 

 albaria, 76. 

 angnlata, 229, 246, 282, 



289, 297, 304, P 52, 



S 161. 



augusta, O 287, 289, 304. 

 Brasiliana, 211, 246, P 51. 

 Californica, 26, 196, 229, 



232, 287, 289, 304, 



349, V 214. 

 canaliculata, 364. 

 carinata, 364, P 50. 

 carinulata, 289, P 52. 

 Diegoana, 76. 

 donaciformis, 289. 

 elegans, 174, 227, 280, 



O 282, O 284, 289, 304, 



352, 364, U 200. 

 exoleta, O 208, 211, 227, 



232, 246, O 280, 364, 



P 50, P 51, P 5 2 , U 200, V 



214. 



falcata, 209. 232, 304. 

 fragilis, 243, 246, 304, 



0363, P 5'- 



Gabiotensis, 82. 



goniata, 0287,0304, P 52. 



laciniata, 284, 304, S 161. 



