x {[ LNDEX TO PLATES. 



STKOMBOBES Plates. 



incertus 123 



/knotti 120 



mammillaris 123 



pentagonus 121 



pygmceus 123 



/ quadrangularis 122 



sinemurus 121, 122, 123 



striatus 121, 122 



unions . . 122 



Zaphrentis 



compressa 134, 138 



conigera 134, 138 



conulus 133 



/ cornaiba 97 



corniculum 132, 138 



/exilis 134, 138 



s explanata 134 



/ gallicalcar 97 



gigantea 137, 138 



/greenana 78 



/ immanis 80, 138, 139 



s linneyi 133, 138 



/ maconathi 136 



, nettelrothi 97 



nodulosa 130, 134, 138 



y'obliqua 133 



patens 133 



patula 133 



prolifica 135, 138 



radicans 132 



rafinesqui 135, 138 



