VIII LIST OF ILLUSTRATIONS. 



Page. 



Terrapene bulverda. Re.or of carapace 133 



Zygothrica dispar. Upper, head of male from above; lower, head of male from in 



front and a little below 157 



Oligotmema prima, (a) lateral view; (6) dorsal view of abdomen 281 



Exoglossops geei, new species 312 



Micropercops dahryi, new species 319 



Ephialtes (Itoplectis) conquisitor 348 



Crystal of anglesite 437 



Crystal of anglesite 438 



Crystals of anglesite 439 



Crystals of anglesite 440 



Crystals of anglesite 441 



Crystal of calcite 442 



Crystal of tetrahedrite 443 



Crystal of datolite. A, orthographic projection. B, clinographic projection. . 446 

 Nereis brevicirrata, new species. 1, head. 2, tenth parapodium. 3, com- 

 pound seta. 4, compound seta 468 



Clinographic projection of a ciystal of Epidote 477 



