1897.] 



NATURAL SCIENCES OF PHILADELPHIA. 



571 



Prionace 

 Priononyx . 

 Prionobutis 

 Prionotus . . 

 Pristigaster . 

 Pristopoma . •. 

 Procyon . . . 

 Prodozamites . 

 Productus 408, 



Promicrops 



Pronorites 



Protocardium . 



Psammobia 



Psen .... 



Pseudagenia . 



Pseudorhombus 



Pterois . . 



Pteromys 



Pteropodidse 



Putorius . 



Pyrgopolon 



Pyrochlore . 



Quartz 



Quartzite 



Quercus 



Rabdionite . 



Rachycentridae 



Rachycentron 



Raia 



31, 219, 



410, 411, 

 417, 427, 



235, 



315 



31, 217, 310, 



418, 429, 435, 

 . . . 418, 

 . . . 192, 



Raja 



Reithrodontomys . . 804, 



Remora 



Rhinobatida3 



Rhinobatus 



Rhinolophidae 



Rhinus 



Rbomboplites 



Rhombus 87, 



Rhus 



Rhynchonella 



Rhypticus .... 106, 



Rissoa 



Rissoina 



Rissoininae 



Rubus 



Rutile 



Salangichthys 



Salangidae 



Salanx 



Salius 263- 



Salix 



56 

 378 



84 

 132 



64 



75 

 310 

 427 



449 



105 



427 



456 



428 



378 



236 



88 



82 



-324 



36 



311 



475 



437 



437 



422 



196 



444 



103 



103 



93 



93 



309 



132 



91 



91 



36 



10 



108 



103 



203 



426 



107 



360 



360 



481 



335 



437 



67 



67 



67 



-276 



193 



Salmo 96 



Samarskite 437 



Sardinella 63, 94 



Sardinia 94 



Saurida 68 



Saurus 6S 



Scalops 32, 222 



Scalpellum 332 



Scapheutes 380 



Scapolite 437 



Scaridae 119 



Scarus 119, 121 



Scatophagidae 79 



Scatophagus 79 



Sceliphron .... 373, 374 



Sceloporus 461-463 



Schistose 418 



Schizodus 411 



Schwagerina . . . 410, 416 



Sciadopitys 190 



Scisena ... 75, 76, 103, 132 



Sciamidae 76, 114 



Sciuropterus 31, 206, 217, 



311, 314-326 

 Sciurus .... 30, 216, 310 



Scoliodon 91 



Scomber 72, 73 



Scomberomorus ... 72, 99 

 Scombridse .... 72, 99 



Scorpaena 131 



Scorpaenidae . ... 81, 131 



Selene 101 



Semele 293 



Serpulidae 474 



Serranidae 73, 104 



Serranus 78 



Setipinna 66 



Sibon 464 



Siderite 417 



Siganidae 

 Siganus . 

 Sillaginidae 

 Sillago . 

 Silphium 



... 79 

 ... 79 



... 87 

 ... 87 

 178, 191, 192 



Siphostoma 97 



Siluridaa 57 



Sodalite 437 



Soleidaa 88, 133 



Solenius 388 



Sonchus 192 



Sorex .... 33, 223, 304, 311 

 Sparidaa 76, 111 



