INDEX. 



331 



Olivine, 



259, zd-j, 269, 278, 289, 291, 292 

 On the Occurrence of Nec- 

 taries IN Pteris Aquilina, F. 



E. Lloyd 90, 91-92 



On the Variation of Snails of 

 THE Genus Partula in the 

 Valleys of Tahiti, A. G. 



Mayer 131, 132-133 



Oolitic 114 



Ordovician 113 



Oregon Report of Field Work 

 IN Wyoming and, H. H. St. 



Clair, 2d 143 



Organ pipes 1 09 



Origin of Human Intellect, 



E. L. Thorndike 125, 126 



Orion 121 



Orthoclase. .101, 102, 257, 258, 259, 



260, 261, 262, 262, 265, 267, 

 269, 271, 275, 276, 278, 279, 

 281, 282, 285, 290, 291, 294 



Feldspar 284 



Plagioclase 262 



Orus cerebri 133 



Osborn, H. F.; Delg. Sci. All.. 109 

 dolichocephaly and 

 Brachycephaly as Domi- 

 nant Factors in the 

 Skulls of Mammals.... 147 



Ref 91 



Systematic Revision of 

 THE American Eocene 

 Primates and of the 

 Rodent Family Myxo- 



DECTID^ no, III 



Ostrander, N. J.; ref 68 



Ostrea 204, 226 



Otic ganglion 132 



Oulactis californica 20 



Outlier, The Cambro-Ordovi- 

 cian, at Wellstown, Hamil- 

 ton County, New York, J. 



F. Kemp 1 1 3-11 5 



" Paleospheres " 114 



Paleozoic 113 



Paludina 226 



Paracelsus; ref 78 



Paramcecium 137 



Parasuchia 91 



Parker, G. H.; ref 46 



Parker, H. C, Experiments on 



Standards of High Electri- 

 cal Resistances 120-121 



Parthenogenesis, The History 

 OF the Centrosomes in Arti- 

 ficial, and its Relation to 

 the Phenomena of Normal 



Fertilization, E. B. Wilson, 



122-124 



Patella 204, 218, 226 



Patten, W.; ref 204, 226, 240 



Pectoralis major 66 



Pegasus 122 



Pegmatite loi 



Pegram, Geo. B., Reflection of 

 Light from White Surfaces, 



88, 89 

 Pell, Mrs. Alfred; Res. Mem... 155 



Pelycodus 1 11 



Pennant ; ref 4 



Pentapetala 4 



Peralkalic laugenase 285 



Peralkalic miaskase 285 



Perception, Visual, Practice 



OF. C. H. Judd 125, 126 



Perception, Number, An Ex- 

 perimental Study of, J. F. 



Messenger 153, 154-155 



Periclavicular Supernumerary 

 Muscles, The Morphological 

 Significance of, Geo. S. Hunt- 

 ington 53-66 



Perkins; ref 146 



Permian age 162 



Permian limestone 152 



Persalane 267, 271, 285 



Perseus, Remarks on Tempor- 

 ary Stars, with Especial 

 Reference to the New Stars 



IN, J. K. Rees 120-121 



Peruvian zodiac 119 



Petrographic Study, A, of the 

 Specimens Described by Pro- 

 fessor Hallock, a. a. Julien. 92 

 Petrography of the San Jose Dis- 

 trict 257-293 



Petromyzon 170 



Phellinae 2, 3 



Phillodocidse 229 



Phlogiston theory 78 



Phlorhizin 124 



Pholas 226 



Phoronis 90 



P. architecta 90 



P. Buskii 90 



Phoronis, A New Species of, 



H. B. Torrey 90 



Photographic, A, Study of the 

 Air Movements near the 

 Mouth of an Organ Pipe, F. 



L. Tufts 1 09-1 1 o 



Photographic Dry Plates, 

 Gel.\tine, Note on a Cause 

 OF THE Deterioration of, W. 

 G. Levison 94, 97 



