GENERAL INDEX. 



687 



Pinus leiophylla 



" longifolia 



" masoniana • • • • 



" merkusii 



" mitis 162, 



monophjlla 

 mor.tana • . . . 

 montezumae 



164, 168, 180 



179 



.... 168, 180 

 . .. 168, 180 

 164, 168, 169 



174, 184 

 .... 164, 168 



172, 174 

 162, 168, 169 



174, 179 



monticola. .... 

 muricata.. 168, 



oocarpa 



parrjana 



parviflora . . . • 



patula 



peuce 



pinaster .. 168 

 pinea. 168, 169, 

 ponderosa .... 

 169, 170. 

 pseudostrobus. . 

 pungens . . 166, 



pyrenaica 



resinosa .. 162, 



rigida — . 162, 

 169, 172, 



sabiniana 



172, 

 strobus 



i7i> 

 sylvestris. . 166, 



.... 164, 168 

 169, 180 



162, 168, 174 

 17c, 171, 172 

 173' 174. 183 

 185 



.... 168, 174 

 173. 174. 178 



171, 173, 183 



168, 174, 



169, 174. 

 1701 173' 

 162, 163, 



172, 174. 



78 



teocote 



thumbergii 



toeda 166, 



172, 



torrevana 



tuberculata •• . 



wrightii 



174 

 168 

 181 



166 



168, 170, 172 



174' 183 



168, 170, 180 



166, 16S, 169 

 170, 174, 179 

 163, 166, 168 

 173' 174. 183 

 162, 168, 169 

 173, 174, 182 



167, 168, 169 



172, 173. 174 



168, 169, 170 

 i7i> 174 



173 



.... i68, 182 

 168, 169, 170 



173, 174. 183 

 173, 174, 181 

 162, 168, 171 

 173. 174, 183 



185 



Pleurotomaria clipeiformis 607 



Polypora albionensis 605 



Proteoteras jesculana 321 



Propionic acid 629, 635 



Pseudomorphs 106, 63 



Pteromalus puparium 53 



Ptjlograptus, genus 591 



" foliaceus 591 



Quercus agrifolia . . 



alba 



ambigua . . 

 bicolor . .. 

 borealis .. . 

 breweri . . 

 chrosylepis 



191, 



[91 



coccinea .... 

 densiflora . .. 

 douglasii .... 



dumosa 



garrjana 



glandulus .. . 



ilicifolia 



imbricaria . . ■ 

 kelloggii .... 

 macrocarpa . 



michauxii 



miihelenbergii 



nigra 



occidentalis 



palustris 



prinoides 19 



prinus 



pumilus 



pungens 



robur 



rubra ^'0, 



stellata 



tinctoria M, 



virens 



Rain-drops, velocity of ... • 



Refraction, conchoid of . . • 



" hyperboloid of 



" ellipsoid of . . . . 



Reis telephone 



191 

 191 



^?o 

 191 



20 

 191 

 191 



20 

 191 

 191 

 191 

 191 

 1 

 191 

 191 

 191 

 , 20 

 191 

 191 

 191 

 191 



20 



I> 1 

 191 

 191 

 191 

 191 

 191 

 191 

 191 

 191 



15 

 325 

 327 

 329 



137 



